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How can I find out which is the software version of my OBU? Which is the most recent software version?

To find out which is the software version of your OBU, simply follow these steps:

 1) Press and hold the DOWN navigation-button until the screen changes. You should see the following message on the screen: “Main Menu - OBU information”. If the above message does not appear on the screen, press the DOWN navigation-button again multiple times until the message is displayed.

2) Then press the RIGHT navigation-button.  The message hereafter is displayed on the screen: “OBU information - software version”.

3)  Press the RIGHT navigation-button one more time. The screen will show the Software Version of your OBU.

For your information, the latest version is 5.18.