JLG 1500SJ Service Manual - Manual (Page 533)

SECTION 6 - JLG CONTROL SYSTEM
3121262 – JLG Lift – 6-81
8. Use the arrow keys to reach the JIB SENSORS. The
screen should read:
9. Press ENTER. The screen should read:
10. Press ENTER. The screen should read as shown
below. When it does, activate boom lift until the con-
trol system stops it at 20 degrees boom angle.