297DSC OPERATION12345678910111213141516Push [ALARM OFF] to stop the beeps. Then push [EXIT]to return to the operating channel (before you entered theMENU screen).After communicating, push [EXIT] to return to the normalioperating mode.Convenient!✓When the optional MA-500TR CLASS B AIS TRANSPONDER isconnected to your transceiver, you can transmit individualDSC calls to selected AIS targets on the transponder withoutneeding to enter the target’s MMSI code.See pages 64 and 65 for more details.