JLG 800A_AJ ANSI Service Manual - Manual (Page 271)

SECTION 4 - BOOM & PLATFORM
3120740 – JLG Lift – 4-57
4. Scroll through the top level menu until SERVICE
MODE appears. Press "ENTER" to select this
menu item. After pressing "ENTER" one of the follow-
ing screens will be displayed:
or
5. Scroll left to right through the above menu items
until "TOWER LIFT DOWN?" sub menu appears on
the bottom line of the analyzer display. Press the
"ENTER" key.
6. The controller will now display the following: