Icom IC-M501 Operational Manual page 28

Message type display
Readout
ALL
GEOGRAPHIC
DTRS RELAY
DTRS ACK
DTRS RL AC
INDV ACK
INDV CALL
Displaying Displaying ships call message ships call message
Displaying Displaying ships call message ships call message
Repress DSC/ENT button to review detail message
IC-M501
Details
All ships
Geographical area
Distress relay
Distress acknowledgement
Distress
acknowledgement
Individual acknowledgement
Individual call
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relay