Komatsu PC138USLC Operation & Maintenance Manual page 161

DETAILED CONTROLS AND GAUGES
Method of Operating Mode
(BAS) Bass adjustment: When button (2) is pressed, BAS is displayed on display (7). If knob (1) is turned
(TRE) Treble adjustment: When button (2) pressed, TRE is displayed on display (7). If knob (1) is turned
(BAL) Balance adjustment: When button (2) is pressed, BAL is displayed on display (7). If knob (1) is turned
REMARK
With each mode, the display is returned automatically to its original setting after 5 seconds.
Setting Correct Time
1. Press display selector button (4) to display the time.
After 5 seconds, the display will return to the frequency display
and the time cannot be corrected. If this happens, press
display selector button (4) again.
2. Press time adjustment button (8) to select Hour or Minute.
H button: Adjusts the hour (each time the button is pressed, the
time advances by one hour)
M button: Adjusts the minute (each time the button is pressed,
the time advances by one minute)
If the H or M button is kept pressed, the time will advance
continuously until the button is released.
ADJ button: When the ADJ button is pressed, the time is reset
as follows.
When display is 00 - 05 minutes, time is returned to 00 min.
00 sec. (No change in hour)
When display is 55 - 59 minutes, time is advanced to 00 min.
00 sec. (Hour advances)
When display is 06 - 54 minutes, time cannot be reset. (Time
stays same)
Example
10:05 10:00
10:59 11:00
10:26 10:26
Use the H, M, and ADJ buttons to set to the correct time.
3 - 106
clockwise within 5 seconds, the bass sound is emphasized. If the knob is turned
counterclockwise, the bass sound is reduced.
clockwise within 5 seconds, the treble sound is emphasized. If the knob is turned
counterclockwise, the treble sound is reduced.
clockwise within 5 seconds, the sound from the right speaker is increased. If the knob
is turned counterclockwise, the sound from the left speaker is increased. When it is
set to BAL 0, the sound from the left and right speakers is balanced.
OPERATION