Changing the Volume

  1. From the VHF screen, turn the dial to increase or decrease the fist mic speaker volume.
  2. If there is an external speaker connected, use the slider under External Speaker to control the external speaker volume.

    For more information on connecting an external speaker to the radio, see the Installation Instructions at garmin.com/manuals/SignalVHF.

GUID-376DCF06-863E-4772-9B73-834F8852F379 v1
June 2026