JLG 1200SJP Service Maintenance Manual page 427

13. Hit Enter. The number displayed will be the value that
the crack point is set to. The screen will show:
3121142
14. Hit Enter. The screen will read:
15. Repeat steps 10 thru 12 for left reverse drive.
16. Left Reverse Drive Calibration will be followed by Right
Forward Drive Calibration which will be followed by
Right Reverse Calibration.
17. After completing all the Drive Calibrations, hit ESC twice
to go back to CALIBRATIONS.
– JLG Lift –
SECTION 6 - JLG CONTROL SYSTEM
6-51