JLG 1100SB Operator Manual - Manual (Page 52)

SECTION 4 - MACHINE OPERATION
4-2 – JLG Lift – 3121264
Controlled Arc
When the Boom Control Select switch is in the automatic
mode, the boom control system automatically controls lift
and telescope when the lift function is selected to move the
platform through a predetermined arc, equivalent to the per-
centage of extension. (i.e. If you start at 70% boom exten-
sion, you will end up at approximately 70% boom extension
no matter where you stop in the arc). This means that when
lifting down, telescope in will function automatically, or when
lifting up, telescope out will function automatically.
When the Boom Control Switch is in the manual mode, lift
and telescope functions are independent functions con-
trolled by the operator.