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Changing the COM Frequency Channel Spacing:

NOTE: Each radio can be exclusively changed between 25 kHz and 8.33 kHz. It is required to complete this procedure for all radios interfaced with the system if the channel spacing is is required to be the same.
  1. Touch the COM1 or COM2 Standby Button to select the desired radio for tuning, opening the 'COM Standby' numeric keypad.
  2. Touch the Menu Button

    Or:

    Touch the MENU Softkey (on the side of the bezel with the 'COM Standby' numeric keypad open).

  3. Touch the COM Channel Spacing Datafield Button.
  4. Touch the 25.0KHZ or 8.33KHZ Button.
190-03123-21 Rev A
July 2026
© 2026 Garmin Ltd.