JLG 1850SJ Service And Maintenance Manual page 498

SECTION 6 - JLG CONTROL SYSTEM
11. Press ENTER. The screen should read as shown below.
When it does, the operator can either press enter to
begin the jib lift sensor calibration, or use the right or
left arrow key to locate the desired jib sensor calibration.
The available sensor calibrations are:
JIB LIFT
JIB LEVEL
JIB SWING
PLATFORM LEVEL
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12. If the operator presses enter at the jib lift sensor calibra-
tion prompt, the screen shown below will be displayed.
At this point, lift the jib up to the mechanical stop.
13. When the jib is at the mechanical stop, press ENTER. The
screen shown below will be displayed. At that point, jib
lift down until the control system stops the jib.
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