Komatsu PC138US-11 Operation & Maintenance Manual page 120

EXPLANATION OF COMPONENTS
WINDOW WASHER SWITCH
Keep pressing this switch continuously, and window washer flu-
id is sprayed out on the front glass. When releasing the switch,
the spray stops.
• If keep pressing the switch when the wiper is stopped, the
window washer fluid is sprayed out. At the same time, the
wiper is actuated continuously. When releasing switch, the
wiper continues to operate for 2 cycles, then stops.
• If the wiper is moving intermittently and the switch is kept
pressed continuously, the window washer fluid is sprayed
out. At the same time, the wiper is actuated continuously.
When releasing switch, the wiper continues to operate for
2 cycles, then return to intermittent operation.
BUZZER CANCEL SWITCH
Buzzer cancel switch is used to stop the alarm buzzer for the
warning item where there is an abnormality.
REMARK
The buzzer cannot be stopped depending on the content of the
warning.
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WENAM00111
OPERATION