46 Owner’s Manual
Wanco® Metro™ Message Sign
6.4 System reset
The system reset button is sometimes used during troubleshooting and maintenance
procedures. Pressing it causes the message sign computer to shut down and restart.
DO NOT press the system reset button unless instructed to do so by a qualified Wanco
service technician or by a troubleshooting or maintenance procedure.
6.5 Software update
It may sometimes be necessary to update the software on your message sign’s
computer. This should only be done when recommended by a Wanco service
technician. The update procedure takes 20 to 30 minutes to complete.
To update the message sign software:
1. Obtain the software update as instructed by the Wanco service agent, and save it to an
empty USB flash drive.
2. Configure the sign to show a message. Choose any message. This is so you can see
when the sign restarts later in the procedure.
3. Initiate a system reset:
a. See important information in Section 6.4.
b. Check the batteries and charge them if necessary.
c. Press the System Reset button on the computer box (Figure 6-1), which is located
inside the battery box. DO NOT press the button without first checking the
batteries.
4. After the sign restarts and the message you chose appears on the display, insert the
flash drive into the USB port on the computer box (Figure 6-1). This initiates the
software update.
5. It can take up to 20 minutes for the computer to run the update process. When the
update is complete, the system reboots and the sign returns to normal operation.
6. After the sign restarts and the message you chose appears on the display, the controller
will update its software automatically. If the controller does not respond when you
activate it, wait 10 minutes for it to complete its update process.
7. After the update is complete, you can confirm the update by using the controller to
access the message sign ID information. (For instructions, see the controller user-
interface manual.)
IMPORTANT!
If the message sign battery charge is below 12.10 volts, DO NOT press the system
reset button.
When the battery charge is low and you press the system reset button, the message
sign computer will shut down and will not restart until the batteries are fully charged.
ALWAYS check the battery charge before pressing the system reset button.
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