JLG 1850SJ Service And Maintenance Manual page 503

30. Press Enter. The screen shown below will be displayed.
At this point, use the platform rotate left function switch
to swing the jib left.
31. When the jib is at the mechanical stop, press ENTER. The
screen will show:
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SECTION 6 - JLG CONTROL SYSTEM
32. At the finish of the jib swing lift calibration the jib lock
pin will be locked by the control system. The screen will
read:
33. Press ENTER. The screen will show:
34. Hitting the escape key (ESC) will take the system back to
the initial jib lift calibration display.
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