JLG 1500SJ Service Manual - Manual (Page 551)

SECTION 6 - JLG CONTROL SYSTEM
3121262 – JLG Lift – 6-99
27. Press Enter. The screen will read:
Telescope out to stop (boom must be fully
extended) for Calibration Position 5.
When the machine is in the proper position, hit
Enter. The screen will read:
Figure 6-25. Boom Sensor Calibration Position 5