JLG 600S Operation And Safety Manual page 49

11. Display Gauge
Registers the amount of time the machine
has been in use, with engine running. The
hourmeter registers up to 16,500 hours and
cannot be reset.
12. Indicator Panel
The Indicator Panel contains indicator lights that signal
problem conditions or functions operating during machine
operation.
13.
Air Shutoff Valve (ASOV) (If Equipped)
The red LED ASOV light indicates when the
valve has been actuated.
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-9