UD Trucks QUESTER Series, Owner'S Manual

Page: 109 / 244

4.ACCESSORIES AND AUDIO
4-5
4.3 Audio
ON/OFF
Press the power button to switch ON
o r p r e s s a n d h o l d p o w e r b u t t o n
( m o r e t h a n 2 s e c o n d s ) t o s w i t c h
OFF.
Volume
Turn the volume knob to adjust the
volume level.
Audio setting
Press and hold SET button to enter
audio setting mode.
In audio setting mode, press
◄
and
►
to switch the audio setting items.
Turn the volume knob to change the
item value:
After 1 minute, without any setting
operation, unit will automatically exit
the audio setting menu.
NOTE
Adjust the volume so that the
horns, sirens and traffic sounds
can be heard clearly.
NOTE
You can adjust the “BASS”,
“TREBLE “,”BAL” and “LOUD”
audio mode only in the “SET”
mode.