Unable to communicate to Galaxy display using Serial radio communication; wrong channel number set on radio

​​​​Potential Symptoms

  • Unable to communicate with display.
  • Channel numbers on the two radios do not match.


  • Product Family: Message Displays
  • Product: Galaxy
  • Component: Serial radio communications
  • Control System:


  • Channel numbers on the radios do not match.


  1. Change channel numbers on both radios to the same number.
  2. Power cycle the display and the radio j-box.

KB ID: DD3626682

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