Chevrolet 4500 HD 2023 Manual page 82

Turning the power on or off with the
volume set to maximum will damage the
equipment and your hearing. Set the
volume to a moderate level.
The MODE/ /ENTER knob keeps on turning
until you stop. However, the volume itself is
limited, and even if you keep on turning the
MODE/ /ENTER knob clockwise or
counterclockwise, the volume is kept to a
certain degree.
When the gear lever is moved to the
reverse (R) position, the system will
automatically mute the sound.
Function Setting Mode
Adjustment of bass, treble, fader, and
balance, and setting of clock display and
time can be performed.
Adjusting Bass
1. Press FUNC.
2. Turn MODE/ /ENTER to select SOUND,
and then press ENTER.
3. Turn MODE/ /ENTER to select BASS,
and then press ENTER.
4. Turn MODE/ /ENTER clockwise or
counterclockwise to adjust the level, and
then press ENTER.
Adjusting Treble
1. Press FUNC.
2. Turn MODE/ /ENTER to select SOUND,
and then press ENTER.
3. Turn MODE/ /ENTER to select TREBLE,
and then press ENTER.
4. Turn MODE/ /ENTER clockwise or
counterclockwise to adjust the level, and
then press ENTER.
Adjusting Fader
1. Press FUNC.
2. Turn MODE/ /ENTER to select SOUND,
and then press ENTER.
3. Turn MODE/ /ENTER to select FADER,
and then press ENTER.
4. Turn MODE/ /ENTER clockwise or
counterclockwise to adjust the front or
rear speakers, and then press ENTER.
Adjustment of rear speaker volume is not
possible if there are no rear speakers
installed.
Adjusting Balance
1. Press FUNC.
2. Turn MODE/ /ENTER to select SOUND,
and then press ENTER.
Infotainment System
3. Turn MODE/ /ENTER to select
BALANCE, and then press ENTER.
4. Turn MODE/ /ENTER clockwise or
counterclockwise to adjust the right or
left speakers, and then press ENTER.
Clock Display
1. Press FUNC.
2. Turn MODE/ /ENTER to select CLOCK,
and then press ENTER.
3. Turn MODE/ /ENTER clockwise or
counterclockwise to select OFF or ON,
and then press ENTER.
Time is not reset when clock mode is
turned off.
Setting the Time
1. Press FUNC.
2. Turn MODE/ /ENTER to select CLOCK,
and then press ENTER.
3. Turn MODE/ /ENTER clockwise or
counterclockwise to select SET, and then
press ENTER.
4. Turn MODE/ /ENTER to set the clock
time (hour), and then press ENTER. Turn
clockwise or counterclockwise to move
one hour forward or one hour backward.
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