Komatsu D475A-5E0 Operation & Maintenance Manual page 113

EXPLANATION OF COMPONENTS
TREBLE CONTROL KNOB
Turn this button (4) to the left to reduce the low tones; turn it to the
right to emphasize the high tones.
Direction (a): High tone reduced
Direction (b): High tone emphasized
LOUDNESS BUTTON
This button (5) is used when playing at low volume. It makes it
possible to hear more easily by emphasizing the low tone when the
low tones are weak.
Push button: Actuated (ON)
Push button again: Canceled (OFF)
TIME/RADIO DISPLAY SELECTOR BUTTON
This button (6) is used to switch between "Radio/tape display" and
"Time display".
Correcting time
Press the button to set to the time display.
(A) Correcting hour :
Keep the DISP button pressed and press the bottom tuning
button (H) to correct the hour.
(B) Correcting minute :
Keep the DISP button pressed and press the top tuning
button (M) to correct the minute.
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OPERATION