9Control unit (CU) requirements#

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD
81	Each TVMS shall be controlled by a CU that is operated in the following order of priority: 1. local facility switch 2. hardwired input(s) 3. maintenance communications port, and 4. control communications ports.	MRTS262	9.1		X	X
82	Software shall be provided in accordance with Clause 10.	MRTS262	9.1, 10
83	The DU shall be able to be controlled individually or simultaneously.	MRTS262	9.1		X	X
84	The CU of each TVMS shall: a) conduct all processing associated with the communications support for paired signs	MRTS262	9.1	X	X	X
85	b) ensure that the requested messages are immediately displayed on the TVMS sign LED display and carries out all associated processing and monitoring functions	MRTS262	9.1	X	X	X
86	c) monitor, log and report the operation of each connected sign display individually	MRTS262	9.1	X	X	X
87	d) monitor, log and report events crucial for the operation of the sign	MRTS262	9.1	X	X	X
88	e) allow the TVMS to be controlled individually or as part of a pair	MRTS262	9.1	X	X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD
89	f) be capable of storing all recommended message frames in its non-volatile memory, refer to QGTM, Part 10 for the recommended messages	MRTS262, QGTM Part 10	9.1	X	X	X
90	g) command signs to display only the allowable messages for that respective site as defined by the QGTM Part 10	MRTS262, QGTM Part 10	9.1	X	X	X
91	h) allow local automatic reset of sign displays and the CU itself, such as via watchdog(s)	MRTS262	9.1	X	X	X
92	i) be capable of automatically dimming connected signs based on the average of the light sensor outputs (automatic dimming of the sign occurs to increase ambiance, automatic dimming is not permitted for the sole purpose of extending the battery life)	MRTS262	9.1	X	X	X
93	j) accept / reject valid or invalid commands made by the SRD, RSCS, configuration software	MRTS262	9.1	X	X	X
94	k) allow a unique electronic identification for each site to be configured	MRTS262	9.1	X	X	X
95	l) electronically verify with the connected sign display that the displayed message is consistent with the message originally requested and permitted	MRTS262	9.1	X	X	X
96	m) accept an analogue input from a Local Facility Switch (LFS), and	MRTS262	9.1	X	X	X
97	n) recognise additional information and functionality of the CU required is described in the following sections.	MRTS262	9.1
98	Each TVMS CU shall be configured to store only those message types permitted to be displayed as defined in QGTM Part 10 for the site in which they are operating. This will be achieved through the RSCS or configuration software referred to in this Technical Specification. The CU shall ensure that only messages permitted for that site are displayed on its respective signs.	MRTS262, QGTM Part 10	9.2		X	X
99	The CU shall allow: a) the configuration software to read and write its permitted messages / message combinations b) the RSCS to read its stored messages, and c) stored messages to be downloaded to the sign(s) only when required to be displayed.	MRTS262	9.2			X
100	The permissible messages for each site shall be confirmed with the Principal.	MRTS262	9.2			X
101	The minimum display duration of each message frame shall be configurable and accessible via the TVMS configuration software. The time range and factory default settings are shown in Appendix A.	MRTS262	9.3, Appendix A
102	The TVMS display and CU must each monitor the state of its respective processor and blank the respective display(s) if processor failure occurs.	MRTS262	9.4		X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
103	The CU shall generate an alarm and blank all signs if the integrity of the firmware or configuration is compromised.	MRTS262	9.4	X		X
104	Each TVMS sign shall be fitted with a GPS receiver. The onboard GPS receiver shall monitor the location in 3 dimensions (latitude, longitude and altitude) of each sign and also synchronise the TVMS CU internal clock.	MRTS262	9.5	X	X	X
105	The CU shall provide an alarm if a sign is moved beyond a 30 m radius of its installed position. This may be achieved using a virtual perimeter or 'geo-fence'.	MRTS262	9.5	X		X
106	Vehicles that mount TVMS, and which are compliant with Queensland MUTCD Part 3, may not require GPS.	MRTS262, Queensland MUTCD Part 3	9.5			X
107	Each TVMS may have the ability to discern the installed directional orientation and whether any subsequent change in direction has been detected through the use of a Magnetometer or Inertial type sensor.	MRTS262	9.6		X	X
108	The local method of control is via a handheld SRD communications device. The following requirements shall apply to the use of the SRD: a) have a unique ID (refer to Clause 8.5 above) that is transmitted with each message change request	MRTS262	9.7, 8.5			X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
109	b) should a RSCS message change request occur at the same time as the message change request from an SRD, the SRD request shall have priority and the RSCS request shall be ignored	MRTS262	9.7		X
110	c) for wireless SRD, use 'code hopping' or 'rolling code' technology, to prevent unauthorised use of the signs through 'replay attacks'	MRTS262	9.7		X
111	d) for wired SRD, the leads shall preferably be securely terminated in the RS-232 / Ethernet port of the TVMS sign or any other secure termination resulting in 15 m lead	MRTS262	9.7		X
112	e) the CU shall have the ability to deactivate an SRD from controlling the TVMS sign (for example, due to lost or damaged SRDs) through the TVMS configuration or RSCS software, and	MRTS262	9.7		X
113	f) only when an SRD message activation button is pressed and held for 2 seconds shall a control message be transmitted.	MRTS262	9.7		X
114	To guard against accidental activation of a TVMS frame from the SRD, buttons must be pressed and held for 2 seconds before any TVMS message frame will be changed.	MRTS262	9.7	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
115	A 5-position key-operated facility switch that complies with MRTS201 General Equipment Requirements shall be provided to enable selection of the following 5-display functions for each of the text display and the graphics display: 1. Blank / Maintenance 2. NORMAL, or 3. 3 message modes.	MRTS262, MRTS201	9.8	X		X	X
116	Where Blank / Maintenance mode is selected on an LFS, the following requirement shall apply: a) the hardwired sign display of that TVMS sign shall be blanked b) whilst this mode is selected at the particular TVMS sign, any subsequent display requests from a RSCS – software session or SRD shall be ignored c) the TVMS sign shall remain powered d) where 2 signs have been configured as one pair, selecting the LFS to “BLANK” on one TVMS sign shall not blank the other paired TVMS sign unit e) a locally connected PC / laptop running the configuration software shall be permitted to perform all status, maintenance and diagnostic functions on the respective TVMS sign, and f) the LFS shall be designed as failsafe operation and, as such, should it fail or be disconnected, Blank / Maintenance mode will be activated.	MRTS262	9.8.1			X		X

Table in words

Item 115 requires a 5-position key-operated facility switch that complies with MRTS201 General Equipment Requirements to be provided to enable selection of the following 5-display functions for each of the text display and the graphics display: 1. Blank / Maintenance 2. NORMAL, or 3. 3 message modes, referencing MRTS262 and MRTS201 clause 9.8.
Item 116 requires that where Blank / Maintenance mode is selected on an LFS, the hardwired sign display of that TVMS sign shall be blanked.
Item 116 requires that whilst this mode is selected at the particular TVMS sign, any subsequent display requests from a RSCS – software session or SRD shall be ignored.
Item 116 requires that the TVMS sign shall remain powered.
Item 116 requires that where 2 signs have been configured as one pair, selecting the LFS to “BLANK” on one TVMS sign shall not blank the other paired TVMS sign unit.
Item 116 requires that a locally connected PC / laptop running the configuration software shall be permitted to perform all status, maintenance and diagnostic functions on the respective TVMS sign.
Item 116 requires that the LFS shall be designed as failsafe operation and, as such, should it fail or be disconnected, Blank / Maintenance mode will be activated.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
117	Where NORMAL mode is selected on the LFS, the displayed message is selected via the maintenance communications port and/or the control communications port. The followings shall apply: a) the hardwired sign display of that TVMS is active b) the CU shall accept remote control communications from a remotely connected PC / laptop running the RSCS software, and c) the CU shall accept remote control communications from a designated local handheld SRD.	MRTS262	9.8.2	X
118	3 modes labelled Message 1, Message 2, and Message 3 display either Message 1, 2 or 3. The messages shall be in accordance with QGTM Part 10. Control via all communications ports inhibited; status and diagnostic commands via all communications ports remain functional.	MRTS262, QGTM Part 10	9.8.3	X
119	Where required, the TVMS controller shall have the ability to display a predefined message when it receives a voltage-free contact closure or similar input from an external device such as a loop detector or vehicle over-height detector.	MRTS262	9.9	X
120	Unless otherwise specified, the TVMS controller shall be capable of accepting a minimum of 6 hardwired inputs.	MRTS262	9.9	X	X

Table in words

Item 117 requires that where NORMAL mode is selected on the LFS, the displayed message is selected via the maintenance communications port and/or the control communications port.
Item 117 requires that the hardwired sign display of that TVMS is active.
Item 117 requires that the CU shall accept remote control communications from a remotely connected PC / laptop running the RSCS software.
Item 117 requires that the CU shall accept remote control communications from a designated local handheld SRD.
Item 118 requires that 3 modes labelled Message 1, Message 2, and Message 3 display either Message 1, 2 or 3.
Item 118 requires that the messages shall be in accordance with QGTM Part 10.
Item 118 requires that control via all communications ports inhibited; status and diagnostic commands via all communications ports remain functional.
Item 119 requires that where required, the TVMS controller shall have the ability to display a predefined message when it receives a voltage-free contact closure or similar input from an external device such as a loop detector or vehicle over-height detector.
Item 120 requires that unless otherwise specified, the TVMS controller shall be capable of accepting a minimum of 6 hardwired inputs.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
121	Where connection to STREAMS is required, the communication between the Field Processor and the TVMS CU shall comply with TSI-SP-003, MRTS232 Provision of Field Processors and MRTS201 General Equipment Requirements.	MRTS262, TSI-SP- 003, MRTS232, MRTS201	9.10		X
122	Each TVMS shall act as a slave on the EIA RS-422A / modem bus.	MRTS262	9.11	X	X
123	Each TVMS controller shall provide a user-configurable message hierarchy for message selection commands and hardwired inputs.	MRTS262	9.12	X	X
124	The CU shall monitor and log the following items, which shall be configurable to raise an alarm: a) any SRD message requests of the CU, including the unique Identifier of the SRD requesting message change	MRTS262	9.13	X	X
125	b) all RSCS software requests of the CU, including the RSCS username under which the request was made	MRTS262	9.13	X	X
126	c) all unauthorised RSCS software requests of the CU, including the RSCS username under which the request was made	MRTS262	9.13	X	X
127	d) loss of communications with the sign (noting the type of communication for example, SRD, RSCS, and so on)	MRTS262	9.13	X	X
128	e) high internal sign enclosure temperature	MRTS262	9.13	X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
129	f) movement of the sign from its installed position	MRTS262	9.13	X	X
130	g) LED faults	MRTS262	9.13	X	X
131	h) initialisation of TVMS (power up)	MRTS262	9.13	X	X
132	i) when an SMS critical alert request has been transmitted by the CU	MRTS262	9.13	X	X
133	j) changed state of LFS (that is, NORMAL or Blank / Maintenance)	MRTS262	9.13	X	X
134	k) low battery voltage (for example, where the voltage of the power supply battery drops to a level that would prevent the battery from being recharged by the charging system)	MRTS262	9.13	X	X
135	l) loss of solar charge current / voltage	MRTS262	9.13	X	X
136	m) loss of load current	MRTS262	9.13	X	X
137	n) internal component faults (GPS and other modular hardware components), and	MRTS262	9.13	X	X
138	o) all configuration changes (for example, made through configuration or RSCS software).	MRTS262	9.13	X	X
139	The log shall identify the sign (through its respective sign ID) and its fault. The log shall include the date and time stamp for all entries and may be exported in a readily acceptable format, such as comma delimited text file (.csv), Microsoft Excel (.xls) or other formats as agreed with the project representative.	MRTS262	9.13		X
140	The log shall also report when the fault condition has cleared and subsequently returns to normal operation.	MRTS262	9.13	X	X
141	The log file storage for the event log shall be sufficient to allow at least 8 days of continuous logging without overwriting. The oldest event record shall be overwritten first when the log file storage capacity has been exceeded.	MRTS262	9.13		X
142	For critical faults defined in Clause 9.14 below, the log shall include the RSCS or configuration software username ID which performed the acknowledgement and clearing of the fault.	MRTS262	9.13		X
143	Where a RSCS connection is in session, the RSCS software shall be synchronised and receive updates dynamically from the respective CU.	MRTS262	9.13		X
144	Each TVMS may have the ability to detect whether the unit’s position has been altered from the installed position through the use of gyroscope.	MRTS262	9.13.1		X
145	The GPS receiver, directional compass and gyroscope facility will allow greater visibility of how the site layout is set out and whether any subsequent changes have occurred due to any number of scenarios.	MRTS262	9.13.1	X	X

Table in words

Item 129 requires that the CU shall monitor and log movement of the sign from its installed position.
Item 130 requires that the CU shall monitor and log LED faults.
Item 131 requires that the CU shall monitor and log initialisation of TVMS (power up).
Item 132 requires that the CU shall monitor and log when an SMS critical alert request has been transmitted by the CU.
Item 133 requires that the CU shall monitor and log changed state of LFS (that is, NORMAL or Blank / Maintenance).
Item 134 requires that the CU shall monitor and log low battery voltage (for example, where the voltage of the power supply battery drops to a level that would prevent the battery from being recharged by the charging system).
Item 135 requires that the CU shall monitor and log loss of solar charge current / voltage.
Item 136 requires that the CU shall monitor and log loss of load current.
Item 137 requires that the CU shall monitor and log internal component faults (GPS and other modular hardware components).
Item 138 requires that the CU shall monitor and log all configuration changes (for example, made through configuration or RSCS software).
Item 139 requires that the log shall identify the sign (through its respective sign ID) and its fault.
Item 139 requires that the log shall include the date and time stamp for all entries and may be exported in a readily acceptable format, such as comma delimited text file (.csv), Microsoft Excel (.xls) or other formats as agreed with the project representative.
Item 140: The log shall also report when the fault condition has cleared and subsequently returns to normal operation.
Item 141: The log file storage for the event log shall be sufficient to allow at least 8 days of continuous logging without overwriting. The oldest event record shall be overwritten first when the log file storage capacity has been exceeded.
Item 142: For critical faults defined in Clause 9.14 below, the log shall include the RSCS or configuration software username ID which performed the acknowledgement and clearing of the fault.
Item 143: Where a RSCS connection is in session, the RSCS software shall be synchronised and receive updates dynamically from the respective CU.
Item 144: Each TVMS may have the ability to detect whether the unit’s position has been altered from the installed position through the use of gyroscope.
Item 145: The GPS receiver, directional compass and gyroscope facility will allow greater visibility of how the site layout is set out and whether any subsequent changes have occurred due to any number of scenarios.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
146	The power system log is used for discerning the proper operation of the power system. The CU shall log the electrical parameters (referred to in Clause 9.15) for each connected sign within the roadwork site. For solar charge current / voltage, load current and battery charge voltage, the CU will aggregate the measurements that it receives from the connected signs over a one-hour period using rolling averages.	MRTS262	9.13.2		X
147	Each sign shall report no less than 4 measurements for each parameter per hour to the connected CU.	MRTS262	9.13.2	X	X
148	The LED intensity shall be controlled to provide constant apparent brightness, and maximum legibility distance, for the complete range of ambient light under which the TVMS shall operate.	MRTS262	9.13.3	X	X
149	Each TVMS shall support automatic brightness variation, where the TVMS determines the LED brightness level using a light sensor reading and a predefined set of light sensor values.	MRTS262	9.13.3	X	X
150	Each TVMS shall be provided with at least 2 light sensors to detect ambient light levels. These sensors shall be located as follows: a) one sensor facing forward perpendicular to the sign face, and b) one sensor facing backward perpendicular to the sign face.	MRTS262	9.13.3	X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
151	Each TVMS shall be provided with at least one temperature sensor to measure the temperature inside the display enclosure near the top centre. The sensor shall not be mounted directly against the top face of the display enclosure. The temperature reading shall be available through the use of a protocol message via STREAMS. The temperature shall be presented in Centigrade units.	MRTS262	9.13.4	X			X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
152	Critical faults shall also include the following: a) movement of the sign after installation – this is required to ensure the sign location has not been altered after installation due to unauthorised tampering, vehicular incident, wind and other reasons – a number of sensors will be used to determine whether the sign has been moved b) LED pixel faults – for example, which cause the display to be blanked (see Clause 11.2) c) low battery voltage level alarm - when the battery level falls to the specified DoD (for example, indicating insufficient charge or problem with charging circuit) d) charging voltage too high - when the battery charge voltage exceeds the maximum charge voltage for the selected battery (for example, indicating a possible battery charger regulator problem) e) loss of solar module – for example, open circuit detected on solar power charging circuit, and f) loss of load – for example, possible disconnection of extension cable between trailer / concrete block and sign display.	MRTS262	9.14, 11.2			X		X
153	Each sign shall be fitted with an SMS mobile phone alert system (refer to Clause 8.2.2).	MRTS262	9.15, 8.2.2			X		X
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
154	Where critical faults occur: a) an SMS notification will be sent from the respective CU to pre-specified phone numbers with a clear description of the site ID and a description of the fault b) if the sign is connected to the RSCS, an alarm shall also be generated on the user alarm monitoring interface, and c) the respective TVMS sign display shall be blanked only.	MRTS262	9.15			X		X
	10 Software requirements
155	The security requirements defined in MRTS201 General Equipment Requirements apply to this Technical Specification.	MRTS262, MRTS201	10.1					X
156	In addition, the software shall: • request passwords as part of the access and configuration authorisation process – passwords shall be generally in accordance with IS18	MRTS262, IS18	10.1			X		X
157	• provide 2 access levels, namely, Administrator and Standard user, as a minimum	MRTS262	10.1			X		X
158	• be compatible with Microsoft Windows operating system environment, Windows 7, Windows 10, and those industry standards current at the time of delivery	MRTS262	10.1			X		X
159	• ensure any software provided shall be capable of operating on all such operating systems, and	MRTS262	10.1			X		X

Table in words

Item 152: Critical faults shall also include the following: a) movement of the sign after installation – this is required to ensure the sign location has not been altered after installation due to unauthorised tampering, vehicular incident, wind and other reasons – a number of sensors will be used to determine whether the sign has been moved b) LED pixel faults – for example, which cause the display to be blanked (see Clause 11.2) c) low battery voltage level alarm - when the battery level falls to the specified DoD (for example, indicating insufficient charge or problem with charging circuit) d) charging voltage too high - when the battery charge voltage exceeds the maximum charge voltage for the selected battery (for example, indicating a possible battery charger regulator problem) e) loss of solar module – for example, open circuit detected on solar power charging circuit, and f) loss of load – for example, possible disconnection of extension cable between trailer / concrete block and sign display.
Item 153: Each sign shall be fitted with an SMS mobile phone alert system (refer to Clause 8.2.2).
Item 154 requires that where critical faults occur an SMS notification will be sent from the respective CU to pre-specified phone numbers with a clear description of the site ID and a description of the fault, if the sign is connected to the RSCS an alarm shall also be generated on the user alarm monitoring interface, and the respective TVMS sign display shall be blanked only.
Item 155 requires that the security requirements defined in MRTS201 General Equipment Requirements apply to this Technical Specification.
Item 156 requires that in addition, the software shall request passwords as part of the access and configuration authorisation process – passwords shall be generally in accordance with IS18.
Item 157 requires that the software shall provide 2 access levels, namely, Administrator and Standard user, as a minimum.
Item 158 requires that the software shall be compatible with Microsoft Windows operating system environment, Windows 7, Windows 10, and those industry standards current at the time of delivery.
Item 159 requires that the software shall ensure any software provided shall be capable of operating on all such operating systems, and.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
160	• be backward compatible with existing TVMS purchased from the same manufacturer.	MRTS262	10.1			X		X
161	The factory default user credentials shall not be used, and these shall be changed prior to any operation of the TVMS.	MRTS262	10.1			X		X
162	All insecure management protocols services, such as telnet, HTTP, and so on, shall be disabled to prevent any unauthorised communications terminal access to the local CU.	MRTS262	10.1			X		X
163	Should maintenance and diagnostic functions be required to be undertaken on the CU, then secure communication protocols such as SSH, HTTPS shall be used.	MRTS262	10.1			X		X
164	The software shall be web-based and display the location of the managed TVMS signs on a GIS layer which has up-to-date maps and associated geographic or spatial information.	MRTS262	10.1			X		X
165	The software shall allow the default message of a TVMS sign to be set.	MRTS262	10.1			X		X
166	The RSCS may be used onsite or via a location which is remote to the roadwork site such as a traffic controller agency’s business premises.	MRTS262	10.2					X
167	RSCS software shall provide the functionality similar to TVSL as detailed in QGTM Part 10, which includes general security requirements in addition to the requirements specified within this Technical Specification.	MRTS262, QGTM Part 10	10.2					X

Table in words

Item 160 requires that the software shall be backward compatible with existing TVMS purchased from the same manufacturer.
Item 161 requires that the factory default user credentials shall not be used, and these shall be changed prior to any operation of the TVMS.
Item 162 requires that all insecure management protocols services, such as telnet, HTTP, and so on, shall be disabled to prevent any unauthorised communications terminal access to the local CU.
Item 163 requires that should maintenance and diagnostic functions be required to be undertaken on the CU, then secure communication protocols such as SSH, HTTPS shall be used.
Item 164 requires that the software shall be web-based and display the location of the managed TVMS signs on a GIS layer which has up-to-date maps and associated geographic or spatial information.
Item 165 requires that the software shall allow the default message of a TVMS sign to be set.
Item 166 requires that the RSCS may be used onsite or via a location which is remote to the roadwork site such as a traffic controller agency’s business premises.
Item 167 requires that RSCS software shall provide the functionality similar to TVSL as detailed in QGTM Part 10, which includes general security requirements in addition to the requirements specified within this Technical Specification.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
168	The RSCS shall be hosted on a Microsoft Windows operating system environment, from Windows 7 to the industry standard which is current at the time of use. Any software provided must be capable of operating on all such operating systems.	MRTS262	10.2			X		X
169	The TVMS sign shall be able to be initially programmed through the use of configuration software. Prior to any configuration of a TVMS sign’s CU, the respective LFS switch shall have the Blank / Maintenance mode selected.	MRTS262	10.3			X		X
170	The primary functions of this software will be, but not limited to: 1. allow the required initial setup of a TVMS sign (including, but not limited to, configuration of messages, SRD administration functions, such as removing lost SRD units and replacing with other SRD via SRD IDs), and	MRTS262	10.3			X		X
171	2. perform any periodic maintenance and diagnostic functions required during the life of the product (including, but not limited to, reporting and extraction of fault / event logs, internal health statuses of internal TVMS sign components, such as battery, other I/O statuses, connection states for, SRD / CU, RSCS / CU communications).	MRTS262	10.3			X		X
172	The TVMS CU shall fully implement all TVMS functions as required by Clause 9 for all communications ports.	MRTS262	10.4			X		X
173	The software shall report the selected position of the facility switch.	MRTS262	10.4			X		X
174	All settings in the CU, including settings included in Appendix A, the permissible messages and/or combinations of messages, shall be accessible using the configuration software. The configuration shall be site-specific and must ensure that only the CU with the correct configuration for the respective TVMS site is allowed to control its respective TVMS site.	MRTS262	10.5, Appendix A			X		X
175	The site-specific permitted messages, and/or combinations of messages and other user configurable settings, shall be stored in non-volatile memory such that they can be altered and downloaded from the configuration or RSCS without requiring any change to the CU firmware.	MRTS262	10.5			X		X
176	All firmware or software required for the TVMS sign, SRD or RSCS shall be fully backwards compatible with any previous versions.	MRTS262	10.5			X		X
177	All software configuration changes shall be date and time stamp logged and include with the username of the software user who made the configuration setting change.	MRTS262	10.5.2			X		X
178	Prior to the application of any software configuration change, a backup of the existing configuration shall be copied and stored in non-volatile memory.	MRTS262	10.5.2			X		X

Table in words

Item 168 requires that the RSCS shall be hosted on a Microsoft Windows operating system environment, from Windows 7 to the industry standard which is current at the time of use, and any software provided must be capable of operating on all such operating systems.
Item 169 requires that the TVMS sign shall be able to be initially programmed through the use of configuration software, and prior to any configuration of a TVMS sign’s CU, the respective LFS switch shall have the Blank / Maintenance mode selected.
Item 170 requires that the primary functions of this software will be, but not limited to: 1. allow the required initial setup of a TVMS sign (including, but not limited to, configuration of messages, SRD administration functions, such as removing lost SRD units and replacing with other SRD via SRD IDs), and.
Item 171 requires that the primary functions of this software will be, but not limited to: 2. perform any periodic maintenance and diagnostic functions required during the life of the product (including, but not limited to, reporting and extraction of fault / event logs, internal health statuses of internal TVMS sign components, such as battery, other I/O statuses, connection states for, SRD / CU, RSCS / CU communications).
Item 172 requires that the TVMS CU shall fully implement all TVMS functions as required by Clause 9 for all communications ports.
Item 173: The software shall report the selected position of the facility switch.
Item 174: All settings in the CU, including settings included in Appendix A, the permissible messages and/or combinations of messages, shall be accessible using the configuration software.
Item 175: The site-specific permitted messages, and/or combinations of messages and other user configurable settings, shall be stored in non-volatile memory such that they can be altered and downloaded from the configuration or RSCS without requiring any change to the CU firmware.
Item 176: All firmware or software required for the TVMS sign, SRD or RSCS shall be fully backwards compatible with any previous versions.
Item 177: All software configuration changes shall be date and time stamp logged and include with the username of the software user who made the configuration setting change.
Item 178: Prior to the application of any software configuration change, a backup of the existing configuration shall be copied and stored in non-volatile memory.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
179	All associated TVMS software shall allow the saving of existing configuration settings for backup. The saved backup settings file shall be able to be used to restore previously saved configuration, should this be required.	MRTS262	10.5.2			X		X
180	The variable message display technology shall be light emitting diode (LED). The display pixels may be formed by arranging one or more LEDs in a cluster to achieve the required luminance levels.	MRTS262	11.1	X		X	X
181	The displays shall use a series of pixels forming a dot matrix display system. A 'full matrix' configuration shall be used to allow the display of graphics as well as alphanumeric characters. The horizontal and vertical pitch of the pixels in the matrix shall be in accordance with AS 4852.2.	MRTS262, AS 4852.2	11.1	X		X	X
182	Pixel pitches shall be equal vertically and horizontally across the display area.	MRTS262, AS 4852.2	11.1		X			X
183	The variable message display pixels shall be in modules of a size capable of being removed and installed by hand via access door(s) or screen.	MRTS262	11.1			X	X
184	The permissible TVMS message types shall be as described in Clause 9.2.	MRTS262	11.1, 9.2					X
185	Facilities shall be included to detect failures within the display control system. The DU shall blank the display in the event of a sign processor fault. Time to blank shall be a configurable setting.	MRTS262	11.2			X		X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	Product compliance (Y, TBC, N, N/A)
186	The DU shall monitor communications with the TVMS controller and blank the displays if loss of communication experienced. The communications timeout period shall be configurable setting.	MRTS262	11.2		X		X
187	The TVMS controller shall be able to detect LED failure even if the LEDs is required to be 'off' at the time of the periodic check. The display shall be blanked upon failure of 2% of contiguous pixels for each displayed image or failure of more than 20% of LEDs.	MRTS262	11.2		X		X
188	On power restoration after loss of power, the TVMS shall become available for activation and remain blank until commanded by the TVMS controller or STREAMS. The power recovery delay time shall be configurable. At no time shall partial or incomplete messages be displayed.	MRTS262	11.2		X		X
189	The TVMS controller shall allow the sign’s display to remain blank for a minimum time once the display has been blanked irrespective of the cause. This minimum blank time shall be configurable. If colours are generated with a colour mixing technology from a cluster of LEDs, failure of any LED within the cluster shall automatically turn off the entire cluster to avoid generation of colour noise. Refer to Appendix A.	MRTS262	11.2, Appendix A		X		X
190	Single LED failure, provided that the cumulative LED loss remains below the 2% and/or 20% thresholds described above or TVMS light sensor failure, should not result in blanking of the display.	MRTS262	11.2	X			X
191	Each individual LED shall be driven with a continuous current with no peak and/or magnitudes exceeding 70% of the LED manufacturer's maximum continuous rating.	MRTS262	11.3	X			X
192	The TVMS sign shall be capable of displaying: a) text b) graphics, or 3. a combination of text and graphics.	MRTS262	11.4		X		X
193	All signs shall display their colours against a matt Black background.	MRTS262	11.4		X		X
194	Type A, Type B and Type C VMS shall comply with the display dimensional requirements of AS 4852.2.	MRTS262, AS 4852.2	11.4.1		X	X	X
195	The message display shall be a full matrix LED display conforming to Table 5.1.	MRTS262, AS 4852.2	11.4.1		X	X	X
196	Each alphanumeric character in the DU shall be formed by a matrix arrangement of horizontal and vertical pixels.	MRTS262	11.4.1		X	X
197	The signs shall have sufficient vertical pixels to permit lower case text, with descenders lie wholly below the base of the upper-case characters. The character format shall be complied with the requirements of AS 4852.2.	MRTS262, AS 4852.2	11.4.1		X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause
198	Standard operation of the signs shall permit the simultaneous generation of alphanumeric characters for the number of lines, characters, and character heights as defined in Tables 5.1 and 5.2.	MRTS262, AS 4852.2	11.4.1	X	X
199	The sign shall be capable of supporting at least 5 fonts including the following 2 : Font 1 — standard height fixed font characters. Font 2 — standard height proportional font characters.	MRTS262, AS 4852.2	11.4.1	X	X
200	The type of TVMS proposed for each location shall comply with the requirements of QGTM, Part 10 and the Queensland MUTCD Part 3, and shall be specified on the design documentation.	MRTS262, QGTM Part 10, Queensland MUTCD	11.4.1		X
201	As a minimum, the variable message display shall generate single stroke alphanumeric character fonts generally to the requirements of AS 1742, AS 1743 and AS 1744. The characters shall be arranged to have a minimum of 2 pixels between characters and 2 pixels between lines.	MRTS262, AS 1742, AS 1743, AS 1744	11.5	X	X
202	Variable message display changes shall be in accordance with the TVMS Use and Operations Guidelines. All display changes shall be affected by first blanking the respective DU, and then activating all required pixels of the respective display simultaneously (as apparent to the eye).	MRTS262	11.6	X	X

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
203	Facilities shall be included to detect failures within the variable message display(s) and the display control system(s). On detection of a failure, the relevant display(s) shall be blanked to prevent confusing displays to the motorist.	MRTS262	11.7			X		X
204	Loss of communications with STREAMS shall also be considered a TVMS failure and shall result in the display(s) being blanked after a pre-set time period. This time period shall be a variable, able to be set by STREAMS, with a range of 60 seconds to 600 seconds.	MRTS262	11.7			X		X
205	The performance of the TVMS displays must meet or exceed the optical characteristics defined in Clauses 11.8.1 to 11.8.6. Tests shall be performed by a NATA or NATA-accredited or NATA-endorsed by Mutual Recognition laboratory and the results submitted to the Principal.	MRTS262	11.8, 11.8.1, 11.8.6			X		X
206	The performance of the TVMS displays must meet or exceed the luminance and chromaticity parameters defined in AS 4852.2.	MRTS262, AS 4852.2	11.8.1		X			X
207	When tested in accordance with Appendix B, each colour present in the message shall lie within one of the regions specified by the chromaticiy coordinates in Table 5.6 and Figure 5.5. Monochrome displays are typically yellow.	MRTS262, AS 4852.2	11.8.1		X			X
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
208	The TVMS display shall either be capable of displaying Monochrome (Yellow) or 5 Colour (Yellow, White, Red, Green and Orange). Yellow, White, Red, Green colours shall be compliant with AS 4852.1.	MRTS262, AS 4852.1	11.8.2			X		X
209	Where more than one colour is displayed simultaneously the colours should appear with similar brightness. To achieve this the following ratios are suggested: White: 1.6 Yellow: 1.0 Green: 0.5 Red: 0.4	MRTS262, AS 4852.1	11.8.2		X			X
210	1. For monochromatic signs TVMS display shall be able to display individual pixels in Yellow against a matt Black background. LEDs shall be used within pixels to generate the output colour.	MRTS262	11.8.2			X		X
211	2. The VMS display shall be able to display individual pixels in either Yellow or White or Red or Green or Orange colours, against a matt Black background. LEDs shall be used within pixels to generate output colours. The individual pixels may generate colour with either discrete LED(s) for each of the five colours or via a colour mixing arrangement with RGB LEDs or equivalent technologies.	MRTS262	11.8.2			X		X

Table in words

Item 203: Facilities shall be included to detect failures within the variable message display(s) and the display control system(s). On detection of a failure, the relevant display(s) shall be blanked to prevent confusing displays to the motorist.
Item 204: Loss of communications with STREAMS shall also be considered a TVMS failure and shall result in the display(s) being blanked after a pre-set time period. This time period shall be a variable, able to be set by STREAMS, with a range of 60 seconds to 600 seconds.
Item 205: The performance of the TVMS displays must meet or exceed the optical characteristics defined in Clauses 11.8.1 to 11.8.6. Tests shall be performed by a NATA or NATA-accredited or NATA-endorsed by Mutual Recognition laboratory and the results submitted to the Principal.
Item 206: The performance of the TVMS displays must meet or exceed the luminance and chromaticity parameters defined in AS 4852.2.
Item 207: When tested in accordance with Appendix B, each colour present in the message shall lie within one of the regions specified by the chromaticiy coordinates in Table 5.6 and Figure 5.5. Monochrome displays are typically yellow.
Item 208: The TVMS display shall either be capable of displaying Monochrome (Yellow) or 5 Colour (Yellow, White, Red, Green and Orange). Yellow, White, Red, Green colours shall be compliant with AS 4852.1.
Item 209: Where more than one colour is displayed simultaneously the colours should appear with similar brightness. To achieve this the following ratios are suggested: White: 1.6 Yellow: 1.0 Green: 0.5 Red: 0.4
Item 210: 1. For monochromatic signs TVMS display shall be able to display individual pixels in Yellow against a matt Black background. LEDs shall be used within pixels to generate the output colour.
Item 211: 2. The VMS display shall be able to display individual pixels in either Yellow or White or Red or Green or Orange colours, against a matt Black background. LEDs shall be used within pixels to generate output colours. The individual pixels may generate colour with either discrete LED(s) for each of the five colours or via a colour mixing arrangement with RGB LEDs or equivalent technologies.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
212	3. Yellow, White, Red, Green colours shall be compliant with AS 4852.2.	MRTS262, AS 4852.2	11.8.2			X		X
213	4. AS 4852.2 does not define the Orange region. The coordinates defined in Table 11.8.2 are designed to fall within the Orange region for the retro-reflective fluorescent Orange in AS 1906, having established that the TVMS Yellow region of AS 4852.2 largely falls within the retro-reflective fluorescent Yellow region in AS 1906.	MRTS262, AS 4852.2, AS 1906	11.8.2, Table 11.8.2			X		X
214	5. In the event of the use of colour mixing or equivalent technology, any non-compliant colours to AS 4852.1 shall neither be configurable nor displayed under any circumstances.	MRTS262, AS 4852.1	11.8.2					X
215	The dimming requirements shall be as specified in AS 4852.2.	MRTS262, AS 4852.2	11.8.3					X
216	The sign shall automatically adjust the output luminance of its display in response to external illuminance in accordance with Table 5.5. In the event that the sign's light-sensing device(s) are faulty or non-functional, the sign shall dim the display to dimming level 3.	MRTS262, AS 4852.2	11.8.3			X		X
217	The sign shall include a minimum of 2 light-sensing units for dimming purposes. See Appendix A for test procedures.	MRTS262, AS 4852.2	11.8.3, Appendix A	X			X

Table in words

Item 212: 3. Yellow, White, Red, Green colours shall be compliant with AS 4852.2.
Item 213: 4. AS 4852.2 does not define the Orange region. The coordinates defined in Table 11.8.2 are designed to fall within the Orange region for the retro-reflective fluorescent Orange in AS 1906, having established that the TVMS Yellow region of AS 4852.2 largely falls within the retro-reflective fluorescent Yellow region in AS 1906.
Item 214: 5. In the event of the use of colour mixing or equivalent technology, any non-compliant colours to AS 4852.1 shall neither be configurable nor displayed under any circumstances.
Item 215: The dimming requirements shall be as specified in AS 4852.2.
Item 216: The sign shall automatically adjust the output luminance of its display in response to external illuminance in accordance with Table 5.5. In the event that the sign's light-sensing device(s) are faulty or non-functional, the sign shall dim the display to dimming level 3.
Item 217: The sign shall include a minimum of 2 light-sensing units for dimming purposes. See Appendix A for test procedures.

Item #	MRTS262 Transportable Variable Message Signs product approval requirements	Reference document/s	MRTS202 2019 reference Clause	VERIFICATION METHOD	Product compliance (Y, TBC, N, N/A)
				Visual inspection	NATA approved certificate (or equivalent)	Field / Bench Test / Demo	Detailed drawings	Manufacturer conducted tests records / other documents
218	The luminance output of the message display shall be controlled by both remote and local command inputs.	MRTS262, AS 4852.2	11.8.3			X		X
219	The LED intensity shall be controlled to provide maximum legibility distances for the complete range of ambient light under which the TVMS shall operate.	MRTS262	11.8.3			X		X
220	The luminance half angle for type A, B and C signs shall meet the intensity half angle parameters defined in AS 4852.2.	MRTS262, AS 4852.2	11.8.4		X			X
221	The luminous intensity uniformity requirements shall be as specified in AS 4852.2.	MRTS262, AS 4852.2	11.8.5		X			X
222	The following requirements for luminous intensity uniformity shall be separately met for each output colour: a) When measured on axis and at the combined horizontal / vertical down half-angle positions as specified in Table 5.1, the ratio of the average of the 3 highest pixel outputs to the average of the 3 lowest pixel outputs shall be not more than 2.5:1. b) The ratio between the outputs of any 2 pixels shall be not more than 4:1. See Appendix A for test procedures.	MRTS262, AS 4852.2	11.8.5, Appendix A		X			X
223	The action of sunlight or other bright light sources on the optical elements shall be controlled such that inactive pixels shall not appear active.	MRTS262	11.8.6			X		X

Table in words

Item 218: The luminance output of the message display shall be controlled by both remote and local command inputs.
Item 219: The LED intensity shall be controlled to provide maximum legibility distances for the complete range of ambient light under which the TVMS shall operate.
Item 220: The luminance half angle for type A, B and C signs shall meet the intensity half angle parameters defined in AS 4852.2.
Item 221: The luminous intensity uniformity requirements shall be as specified in AS 4852.2.
Item 222: The following requirements for luminous intensity uniformity shall be separately met for each output colour: a) When measured on axis and at the combined horizontal / vertical down half-angle positions as specified in Table 5.1, the ratio of the average of the 3 highest pixel outputs to the average of the 3 lowest pixel outputs shall be not more than 2.5:1. b) The ratio between the outputs of any 2 pixels shall be not more than 4:1. See Appendix A for test procedures.
Item 223: The action of sunlight or other bright light sources on the optical elements shall be controlled such that inactive pixels shall not appear active.