Icom IC-M220 Instruction Manual - Page 19

Adjusting the volume level, Adjusting the backlight or the display contrast, Backlight

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BASIC OPERATION 4 ■■ Adjusting the volume level 1. Push [VOL]. ••The volume adjustment screen is displayed. 1 2. Push or [►] to adjust the audio volume level. 2 LL If no key is pushed for 5 seconds, the screen automatically closes. 3 4 ■■ Adjusting the squelch level 5 Squelch enables the audio to be heard only while receiving a signal that is stronger than 6 the set level. A higher level blocks weak signals, so that you can receive only stronger signals. A lower level enables you to hear weak signals. 7 1. Push [VOL] twice. 8 ••The squelch level adjustment screen is displayed. 2. Push or [►] to adjust the squelch level. 9 LL If no key is pushed for 5 seconds, the screen automatically closes. 10 11 ■■ Adjusting the backlight or the display contrast 12 1. Open the "BACKLIGHT" or "CONTRAST" screen. 13 [MENU] > Configuration > Backlight 14 [MENU] > Configuration > Display Contrast 2. Push or [►] to adjust, and then push 15 [ENT] to set. 3. Push EXIT to exit the Menu screen. 16 17 18 9

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BASIC OPERATION
4
■
Adjusting the volume level
1.
Push [VOL].
•
The volume adjustment screen is displayed.
2.
Push [▲], [▼],
[◄], or [►]
to adjust the audio volume
level.
L
If no key is pushed for 5 seconds, the screen
automatically closes.
■
Adjusting the squelch level
Squelch enables the audio to be heard only while receiving a signal that is stronger than
the set level. A higher level blocks weak signals, so that you can receive only stronger
signals. A lower level enables you to hear weak signals.
1.
Push [VOL] twice.
•
The squelch level adjustment screen is displayed.
2.
Push [▲], [▼],
[◄], or [►]
to adjust the squelch level.
L
If no key is pushed for 5 seconds, the screen
automatically closes.
■
Adjusting the backlight or the display contrast
1.
Open the “BACKLIGHT” or “CONTRAST” screen.
[MENU] > Configuration >
Backlight
[MENU] > Configuration >
Display Contrast
2.
Push [▲], [▼],
[◄], or [►]
to adjust, and then push
[ENT] to set.
3.
Push
EXIT
to exit the Menu screen.