Placing a Test Call

Before placing a test call, you should obtain the MMSI number for a local station that is known to respond to DSC test calls, such as those operated by local maritime safety authorities to help mariners verify their radio's calling capability.

TIP: You can also verify your radio's calling capability by sending a position request to a nearby station that is known to respond to position requests (Requesting a Vessel's Position).
  1. Select Menu icon > DSC Calling > Test Call.
  2. Under To:, select the vessel or vessel group to call.
  3. Select Make a test call.

    The radio places a test call to the selected station and waits for an acknowledgement.

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May 2026