TM 5-3610-253-14
Section II OPERATING INSTRUCTIONS
6-4. DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS.
Control or Indicator
Function
Control Switch
OFF:
Fan and heating
element are off. No air
discharged.
COLD:
Fan is on and
heating element is off.
Air discharge is not
heated.
Air Intake Flow Control
HOT:
Fan and heating
element are on.
Air dis-
charge is heated.
Open:
Maximum airflow
and cooler air tempera-
ture.
Closed:
Less airflow and
hotter air temperature.
6-3
