ICOM 297410 사용자 설명서
6
2
BASIC OPERATION
0
2
You can also directly set the desired frequency.
Hold down
q
[ ] for two seconds to enter the direct frequen-
cy setting mode.
• Only the active frequency is displayed.
Set an operating frequency.
w
• Rotate
[O-DIAL] to set above 1 MHz
digit.
• Rotate
[DIAL] to set below 100 kHz digit.
• You can set the frequency step in the Settings menu. (p. 21)
When receiving a signal, “RX” is
e
displayed and audio is heard.
• Rotate
[VOL] to adjust the audio level.
• Adjust the squelch if necessary. Refer to ‘Squelch settings’ for
details.
Hold down PTT switch, and then
r
speak at your normal voice level.
• “TX” is displayed.
•
•
DO NOT hold the microphone too closely to your mouth or speak
too loudly. This may distort your signal.
too loudly. This may distort your signal.
Release the PTT switch to receive.
t
Push
y
[RCL] or [ ] to exit the direct frequency setting
mode.
■
Directly setting the frequency
Squelch settings
■
Adjusting the squelch
D
Adjust the squelch to mute undesired noise when no signal
received.
received.
Hold down
q
[VOL] for two seconds to enter “SQL LEVEL.”
Rotate
w
[DIAL] to select the desired squelch level to be-
tween
–10 and 10.
Push
e
[RCL] to exit “SQL LEVEL.”
Switching the squelch mode
D
You can switch the squelch mode when the Auto squelch
“AUTO SQL” item in the Configuration menu (p. 22) is set to
“USER SET.”
Push
q
[VOL] to turn ON the squelch
test function.
• “RX” and “
TEST
” are displayed.
• The squelch mode readout “MN” or “AU” blinks.
Push
w
[VOL] again while the squelch
mode readout is blinking to switch the
squelch mode.
squelch mode.
• “RX” and “
TEST
” disappear and the squelch test function is
turned OFF.
• MN (manual): Uses the squelch level set in “SQL LEVEL.”
• AU (auto):
• AU (auto):
Prevents the audio from breaking up while receiv-
ing weak signals.
ing weak signals.
Repeat
e
q
through w to switch the squelch mode again.
121.80
121.80
RX
121.80
TX
127.00
5
122.00
RX
MEMORY
TESTMN
127.00
5
122.00
MEMORY
AU