JLG 544D-10 Operator Manual - Manual (Page 46)

Section 3 - Controls and Indicators
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Heater (if equipped)
1. Defroster Fan: Two speed fan. Press fan switch down for slow speed; press
switch up for fast speed. Return switch to middle position to turn off.
2. Heater Fan Switch: On/Off switch.
OX0234
ALT 4X2 OFF 0 0 0 0 0 0
QUARTZ DRIVE 4X4 ON
240
100
F
E
80
0
16
10
TEMP
FUEL OIL
VOLTS
- +
PARK BRAKE
OFF
ON HEATER
1 2