JLG 800A Operation And Safety Manual page 57

9. Tilt Alarm Warning Light
This orange illuminator indicates that the chassis is on a
slope (over 5 degrees). If illuminated when boom is
raised or extended, retract and lower to below horizontal
then reposition machine so that it is level before extend-
ing boom or raising boom above horizontal. If the boom
is above horizontal and the machine is on a 5 degree
slope, an alarm will sound and CREEP is automatically
activated.
IF TILT WARNING LIGHT IS ILLUMINATED WHEN BOOM IS RAISED OR
EXTENDED, RETRACT AND LOWER TO BELOW HORIZONTAL THEN
REPOSITION MACHINE SO THAT IT IS LEVEL BEFORE EXTENDING
BOOM OR RAISING BOOM ABOVE HORIZONTAL.
3121209
SECTION 3 - MACHINE CONTROLS AND INDICATORS
10. Overload Indicator. (If equipped)
Indicates the platform has been overloaded.
– JLG Lift – 3-17