Icom IC-M502 Instruction Manual page 36

8
SET MODE
DSC watch
DSC watch monitors channel 70 while you are receiving an-
other channel.
If a distress signal is received on channel 70, the transceiver
monitors channel 16 and 70 alternately until the distress sig-
nal disappears. If a signal is received on another channel,
DSC watch pauses until the signal disappears.
Set mode
DSC watch
DSC watch ON (default)
This function may not be available for some channel
groups depending on dealer setting.
Beep tone
You can select silent operation by turning beep tones OFF or
you can have confirmation beeps sound at the push of a
switch by turning beep tones ON.
The optional HM-127 has it's own setting for the beep tone.
32
When an optional external speaker is connected and the
transceiver's internal speaker is not required, the speakers
on the transceiver and microphone can be deactivated.
"SP OFF" appears on the function display when the internal
DSC watch OFF
speaker is turned OFF.
• The order of indication precedence is "LOCAL," "SP OFF" and
"CALL."
Set mode
Beep
Beep tone ON (default)
Internal speaker
Set mode
Internal
speaker
Internal speaker ON (default)
Beep tone OFF
Internal speaker OFF