JLG 450A Operation And Safety Manual page 46

SECTION 3 - MACHINE CONTROLS AND INDICATORS
7. Jib Lift (If Equipped)
Provides raising and lowering of the
jib.
8. Telescope Control
Provides extension and retraction of
the boom.
3-6
9. Main Boom Lift
Provides raising/lowering of the main
boom when positioning up or down.
10. Tower Boom Lift
Provides raising and lowering of the
tower boom.
11. Swing
Provides 355 degrees non-continuous
turntable rotation.
3121658