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Availability dependent upon configuration
On units configured for remote frequency recall, user frequencies are selectable via a
remote switch.
Pressing the switch once loads the next user frequency into the STBY window
Pressing the switch repeatedly scrolls through the list of presets
Some installations may have two dedicated recall switches: one to scroll up,
one to scroll down
Selections do not activate until transfered to active
Pressing and holding the volume knob provides a quick method for remotely tuning
the emergency frequency (121.50 MHz). This function also sets 121.50 MHz as the
active frequency. Remote COM Lock is not activated if using this method. This
feature is available any time the unit is on, regardless of GPS or display status.
If configured, pressing and
holding the remote COM transfer
key for two seconds locks the
COM at 121.50 MHz, preventing
further changes in frequency. A
message informs of the change in
status. To unlock, press and hold
the remote key again.
If the radio loses communication
with the system, the unit
automatically tunes to 121.50 MHz
for transmit and receive operations,
regardless of the displayed
frequency.
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