JLG 1500SJ Service Manual - Manual (Page 550)

SECTION 6 - JLG CONTROL SYSTEM
6-98 – JLG Lift – 3121262
26. Press Enter. The screen will read:
Swing the machine back 180 degrees (centered
over original end of chassis) for Calibration Position
4.
When the machine is in the proper position, hit
Enter. The screen will read:
When Position 4 calibrating is complete, the screen
will read:
Figure 6-24. Boom Sensor Calibration Position 4