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14
0
4
■
Accessing the 121.5 MHz
emergency frequency
The transceiver can be set to the 121.5 MHz emergency
frequency immediately.
q
Hold down
[EC]
for two seconds to set the emergency
frequency (121.50 MHz) in the direct frequency setting
mode.
• “EC” is displayed.
121.50
5
EC
w
Hold down [ ] to return to the normal frequency display
mode, and then push [ ] to exchange emergency
frequency with the standby frequency.
• Set the frequency other than 121.500 MHz before pushing
[ ]
to the standby frequency if necessary.
• “EC” disappears.
■
Enabling the intercom
When two headsets are connected to the transceiver, you
can use them as a voice-activated intercom.
q
While holding down
[DUAL]
, rotate
[VOL]
to turn ON the
transceiver power.
• The Configuration menu is displayed.
w
Rotate
[O-DIAL]
to select “INCOM MODE.”
e
Rotate
[DIAL]
to select “ON.”
r
Push
[RCL]
to exit the Configuration menu.
• The transceiver restarts.
t
Hold down
[DUAL]
for two seconds to enable the
intercom function.
• “
ICS
” is displayed.
• You can set the headphones output level in the Settings menu.
(p. 19)
• You can also set microphone 1 and microphone 2 input audio
levels in the Settings menu. (p. 19)
■
Opening the squelch for test
This function manually opens the squelch for testing.
q
Push
[VOL]
to turn ON the squelch test function.
• “RX” and “
TEST
” are displayed.
w
To turn the function OFF, push
[VOL]
again.
• “RX” and “
TEST
” disappear.
4
OTHER FUNCTIONS
You can also set the 121.5 MHz emergency frequency in
the normal frequency display mode.
q
Push
[EC]
to set the emergency frequency to the
standby frequency.
w
Push
[ ]
to change to the active frequency.
• “EC” is displayed.
121.50 118.00
EC
Summary of Contents for IC-A220T
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