How Do I Perform A Self Test And Led Test On The 635 Quickbert T-1?

After the startup screen, a self test will activate automatically and the version build date will be displayed. Pressing and holding down the RESTART button will allow you to see the version and build date for a longer period of time. To perform an LED test, press and hold the RX INPUT key while powering up the unit. During the LED test, all LEDs will turn on. Any dark LEDs observed during the LED test indicate that the unit needs service.
 
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