Icom IC-A220T Instruction Manual page 27

D Setting microphone 1 Gain "MIC1 GAIN"
Sets microphone 1's gain.
• –010 to 010: Sets the microphone 1's gain to between –10 and 10.
D Setting microphone 2 Gain "MIC2 GAIN"
Sets microphone 2's gain.
• –010 to 010: Sets the microphone 2's gain to between –10 and 10.
D Sidetone level "SIDETONE LV"
When using an optional headset (user supplied) through an
adapter, the transceiver sends your transmitted voice to the
headset for monitoring.
*Ask your dealer in details.
• OFF (0): The sidetone function is OFF.
• 001 to 080: Sets the sidetone level to between 1 and 80.
D Manual dimmer control "DISP MAN"
Sets the brightness manually to suit your own preferences.
• OFF: The display brightness is set to the minimum. The
key backlight is OFF.
• 001 to 100: Sets the dimmer level to between 1 and 100.
D Frequency display "FREQ DISP"
Sets the 1 kHz digit frequency displaying on the OLED.
• OFF : The 1 kHz digit is not displayed on the OLED.
• ON : The 1 kHz digit is always displayed on the OLED.
• ZERO SUPP.: The 1 kHz digit is displayed only when the 1 kHz
digit frequency is 5 kHz.
D External input level "AUX LEVEL"
Sets the external input level.
• OFF (0): The external input is disabled.
• 001 to 080: Sets the external input level to between 1 and 80.
• AF GAIN: Interlocked with [VOL].
D Beep tone level "BEEP"
Confirmation beep tones normally sound when storing
memory, operating the time-out-timer function, and so on.
• OFF (0): The beep tone is OFF.
• 001 to 100: Sets the beep tone level to between 1 and 100.
NOTE:
When using an external speaker and the squelch
is closed, the beep tone level is fixed and cannot be
changed in the Settings menu.
D Frequency step "FREQ. STEP"
Selects the frequency step: 8.33 kHz or 25 kHz.
• 25kHz: Sets the frequency step is set to 25 kHz.
• 8.33kHz: Sets the frequency step is set to 8.33 kHz.
CAUTION:
In Canada, use of 8.33 kHz Channel
Spacing of this radio is strictly prohibited and shall not be
used.
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MENU MODE
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