Directly Setting The Frequency; Squelch Settings - Icom IC-A220 Instruction Manual

■ Directly setting the frequency

You can also directly set the desired frequency.
Hold down [ ] for two seconds to enter the direct frequen-
q
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.
Release the PTT switch to receive.
t
Push [RCL] or [ ] to exit the direct frequency setting
y
mode.
■
D
Adjust the squelch to mute undesired noise when no signal
received.
q
w
121.80
e
D
You can switch the squelch mode when the Auto squelch
RX
121.80
"AUTO SQL" item in the Configuration menu (p. 22) is set to
"USER SET."
q
TX
121.80
w
e
BASIC OPERATION

Squelch settings

Adjusting the squelch
Hold down [VOL] for two seconds to enter "SQL LEVEL."
Rotate [DIAL] to select the desired squelch level to be-
tween –10 and 10.
Push [RCL] to exit "SQL LEVEL."
Switching the squelch mode
[VOL] to turn ON the squelch
Push
test function.
• "RX" and " " are displayed.
TEST
• The squelch mode readout "MN" or "AU" blinks.
[VOL] again while the squelch
Push
mode readout is blinking to switch the
squelch mode.
• "RX" and " " disappear and the squelch test function is
TEST
turned OFF.
• MN (manual): Uses the squelch level set in "SQL LEVEL."
• AU (auto): Prevents the audio from breaking up while receiv-
ing weak signals.
Repeat q through w to switch the squelch mode again.
2
02
RX
MEMORY
122.00 127.00
5
TESTMN
MEMORY
122.00
127.00
5
AU
6