JLG 800S Operation & Safety Manual page 53

Machine Controls and Indicators
For machines equipped with both SkyGuard and Soft Touch:
The switch operates like the SkyGuard override switch as described above. The
switch also enables the functions cut out by the Soft Touch system to operate
again at creep speed, allowing the operator to move the platform away from
the obstacle that caused the shutdown situation.
For machines equipped with both SkyGuard and SkySense:
The switch operates like the SkyGuard override switch as described above. The
switch also enables the functions cut out by the SkySense system to operate
again at creep speed, allowing the operator to move the platform closer to the
obstacle that caused the shutdown situation if desired.
Steer Select (If Equipped)
When equipped with four wheel steering, the action of the steering system is
operator selectable. The center switch position gives conventional front wheel
steering with the rear wheels unaffected. This is for normal driving at
maximum speeds. The forward position is for "crab" steering. When in this
mode both front and rear axles steer in the same direction, which allows the
chassis to move sideways as it goes forward. This can be used for positioning
the machine in aisle ways or against buildings. The back switch position is for
"coordinated" steering. In this mode the front and rear axles steer in the
opposite directions to produce the tightest turning circle for maneuvering in
confined areas.
To re-synchronize the front and rear axles, position the rear drive wheels to the
forward drive position by selecting either crab or compound steer, then select
front steer (center switch position) to operate the normal steering function.
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