JLG 1350SJP Service Manual - Manual (Page 453)

SECTION 6 - JLG CONTROL SYSTEM
3121142 – JLG Lift – 6-77
When Position 7 Calibrating is complete, the screen will
read:
Press Enter. The screen will read:
30. Lift until the function stops (controller will stop at 5
degrees above horizontal) for Calibration Position 8.
When the machine is in the proper position, hit Enter.
The screen will read:
Figure 6-21. Boom Sensor Calibration Position 8