ICOM 297400 Manuel D’Utilisation
20
4
OTHER FUNCTIONS
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Intercom function
When two headphone and microphone jacks are connected
to the transceiver, these headsets can be used as a voice-
activated intercom.
q
to the transceiver, these headsets can be used as a voice-
activated intercom.
q
Enter to the MENU mode.
• See page 22 for details.
w
Set Intercom Usable Setting to ON.
• See page 26 for details.
e
Exit from the MENU mode.
• See page 22 for details.
r
Hold down
[DUAL] for 2 seconds to enable the intercom
function.
• “ICS” appears.
• The headphone audio output level can be selected
“OFF,” “output level fixing (001–080)” or “interlocking
with [VOL]” in the MENU mode (p. 23).
with [VOL]” in the MENU mode (p. 23).
• The microphone1 and microphone2 audio input levels
can be also selected “OFF” or “output level fixing (001–
080)” in the MENU mode (p. 23).
080)” in the MENU mode (p. 23).
■
Squelch test function
This function opens the squelch manually for testing.
q
q
Push
[VOL] to turn the squelch test function ON.
• “TEST” appears.
w
To turn the function OFF, repeat step q as above.
• “TEST” disappears.
■
Frequency step setting
Frequency step (8.33 kHz or 25 kHz) is selectable in the
menu mode.
q
menu mode.
q
Enter the menu mode (See page 22 for details).
w
Rotate
[O-DIAL] to select the “FREQ. STEP (Frequency
step).”
e
Rotate
[DIAL] to select the desired frequency step
(8.33 kHz or 25 kHz).
r
Push
[RCL] to exit MENU mode, and returning to the pre-
vious operating condition.