JLG 1500SJ Service Manual - Manual (Page 517)

SECTION 6 - JLG CONTROL SYSTEM
3121262 – JLG Lift – 6-65
8. Use the arrow keys to reach DRIVE.
9. Hit Enter. The screen will read:
10. Hit Enter again. The screen will read:
11. Hit Enter again. The screen will read:
12. Activate the Drive Joystick forward full stroke until
the machine just begins to move, then leave off the
joystick immediately. The display will read CRK PT =
and show the numeric crack point value.