Icom IC-M604A Instruction Manual page 45

D Auto Switch function
By regulation, after receiving a Distress call, the transceiver
basically switches the operating channel to Channel 16.
However, when this setting is set to "OFF," the function
enables the transceiver to remain on the operating channel
even after receiving a Distress call.
q Enter "Auto SW" in the DSC Set up menu.
DSC Menu ➪ Set up ➪ Auto SW
(Push [MENU]) (Rotate [SELECTOR], then push [ENT].)
w Rotate [SELECTOR] to turn the Auto switch "ON" or
"OFF."
ON : The transceiver automatically switches the
operating channel to Channel 16 after receiving a
Distress call.
OFF : The transceiver remains on the operating channel
even after receiving a Distress call. (default)
e Push [ENT] to set and exit the setting.
• Push [CLR] to cancel and exit the setting, if desired.
D Auto Tune timer
This is the amount of time after receiving a Distress call
before the transceiver switches to Channel 16.
q Enter "Auto Tune" in the DSC Set up menu.
DSC Menu ➪ Set up ➪ Auto Tune
(Push [MENU]) (Rotate [SELECTOR], then push [ENT].)
w Rotate [SELECTOR] to turn the Auto Tune timer "ON" or
"OFF."
ON
: After receiving a Distress call, the transceiver
remains on the operating channel for 10 seconds,
and then automatically switches to Channel 16.
(default)
Within 10 seconds, the following action can be taken:
- Push [ENT] to immediately switch to Channel 16.
- Push [CLR] to cancel the Auto tune timer, and the
transceiver remains on the operating channel.
OFF : Turns OFF the Auto Tune timer.
e Push [ENT] to set and exit the setting.
• Push [CLR] to cancel and exit the setting, if desired.
The action of the transceiver may differ, depending on the
combination of the Auto Switch function and the Auto Tune timer
settings.
• Combined operation when receiving a DSC Call:
OFF
The transceiver remains
OFF
on the operating channel.
• " " blinks.
The transceiver remains on the operating channel for 10
Auto
seconds, and then automatically switches to Channel 16.
tune
Within 10 seconds, the following action can be taken:
ON • When [ENT] is pushed, immediately switches to
Channel 16.
• When [CLR] is pushed, remains on the operating
channel since the Auto Tuner timer is cancelled.
6
DSC OPERATION
Auto Switch
ON
The transceiver
automatically switches
to Channel 16.
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