Komatsu PC290LC-6K Operation & Maintenance Manual page 113

Hydraulic excavator
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POWER MAX./SWIFT SLOW-DOWN
During operation, power up/speed down of work equipment can be
performed by one-touch. Use this function effectively in combination with
working mode.
1.
When starting switch is turned ON, the power up lamp turns on.
When SET switch is pressed once, the speed down lamp turns on
and the power up lamp goes out, and when pressed again, the oppo-
site occurs.
2.
When the left knob button is given a single click ( keep depressed
after initially pressing) power keeps increasing while depressed.
However, power up automatically completes after 8.5 seconds.
12. OPERATION
N/MIN
2-69

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