Icom IC-M502 Instruction Manual

Also see for IC-M502: Operational manual Service manual Instruction manual Service manual Instruction manual

Icom IC-M502 Instruction Manual Manual pdf 20 page image

166 DSC OPERATIONn Distress callA distress call should be transmitted if, in the opinion of theMaster, the ship or a person is in distress and requires imme-diate assistance.NEVER USE THE DISTRESS CALL WHENYOUR SHIP IS NOT IN AN EMERGENCY. ADISTRESS CALL CAN BE USED ONLY WHENIMMEDIATE HELP IS NEEDED.q Confirm any distress call is not being received.w While lifting up the switch cover, push the [DISTRESS]switch for 5 sec. to transmit the distress call.• An emergency channel (Ch 70) is automatically selected and thedistress call is transmitted.• If no GPS is connected, input your position and UTC time, if pos-sible.e After transmitting the call, the transceiver waits for an ac-knowledgment call on Ch70.• The distress call is automatically transmitted every 3.5 to 4.5minutes.r When receiving the acknowledgment, reply to the con-nected station via the microphone.å Distress alert contains (default);• Kinds of distress : Undesignated distress• Position data : GPS or manual input position data held for23.5 hrs. or until the power is turned OFF.å The distress call is repeated every 3.5–4.5 min., until re-ceiving an ‘acknowledgement.’å Push [DISTRESS] to transmit a renewed distress call, ifdesired.å Push [16•9] to cancel the ‘Call repeat’ mode.å ‘??’ may blink instead of position and time indications,when the GPS data is invalid, or 4 hours after the timedata is input manually.< Tokyo CGDistress ACKReceivedDistressCompletedWait for ACKDistress TXLAT: 35°23'NLON:135°35'EGPS UTC12:34