JLG 800A_AJ Service Manual - Manual (Page 264)

SECTION 4 - BOOM & PLATFORM
4-50 – JLG Lift – 3120858
c. Press "ENTER" , and the following screen
will be displayed asking if you wish to calibrate
the upright monitoring system.
NOTE: By pressing the left or right arrow keys in this screen,
you may view the output of the sensor.
d. Press "ENTER" and the screen will display
the following:
THE MACHINE MUST BE LEVEL FOR PROPER CALIBRATION.
e. Verify the machine is level and press "ENTER"
. The screen will display the following,
asking you to fully elevate the main boom.
f. Start the machine and fully elevate the main
boom. After the main boom has been fully ele-
vated, press "ENTER" . The analyzer will
display the following: