JLG 600S Operation And Safety Manual page 65

17. Emissions Temperature Indicator
Icon illuminates when the engine emissions con-
trol sensor reaches a high temperature.
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
18. Drive Orientation Indicator
When the boom is swung beyond the rear
drive tires or further in either direction, the
Drive Orientation indicator will illuminate
when the drive function is selected. This is a signal for the
operator to verify that the drive control is being operated in
the proper direction (i.e. controls reversed situations).
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