Icom IC-A220T, Instruction Manual

Page: 13 / 40

6
2
BASIC OPERATION
0 2
You can also directly set the frequency.
q
Hold down [ ] for 2 seconds to enter the direct
frequency setting mode.
• Only the active frequency is displayed.
w
Set an operating frequency.
• 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. 20)
e
When a signal is received, “RX” is
displayed and audio is heard.
• Rotate [VOL] to adjust the audio level.
• Adjust the squelch if necessary. See ‘Squelch settings’ for
details.
r
Hold down PTT switch, and then
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.
t
Release the PTT switch to receive.
y
Push [RCL] or [ ] to exit the direct frequency setting
mode.
■
Directly setting the frequency
■
Squelch settings
D
Adjusting the squelch
Adjust the squelch to mute the noise when no signal is
received.
q
Hold down [VOL] for two seconds to enter the AM
squelch level setting menu.
• “SQL LEVEL” is displayed.
w
Rotate [DIAL] to select the squelch level to between –10
and 10.
e
Push
[RCL]
to exit AM squelch level setting menu.
D
Changing the squelch mode
You can change the squelch mode when the Auto squelch
“AUTO SQL” item in the Configuration menu (p. 21) is set to
“USER SET.”
q
Push [VOL] to turn ON the squelch
test function.
• “RX” and “
TEST
” are displayed.
• The squelch mode readout “MN” or “AU” blinks.
w
Push [VOL] again while the squelch
mode readout is blinking to change
the 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): Prevents the audio from breaking up while
receiving weak signals.
e
Repeat
q
–
w
to change 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