Table 1.
Heater Compartment Controls and Indicators. - Continued
Key
Control/
Indicator
Function
3
Cabin Air
Directional
Control
Directs airflow within the cabin between the midsection and
defroster vents. This is a rheostat-type control with the
midpoint position equally distributing airflow between the
midsection and defroster vents.
4
Vent Control
Regulates amount of outside air allowed through the cabin
fresh air vents. This is a rheostat-type control with full CCW
completely closing, and full CW completely opening the cabin
fresh air vents.
5
Heater
Temperature
Control
Regulates temperature level of the cabin heater. This is a
rheostat-type control with full CCW the lowest (coolest)
setting and full CW the highest (hottest) setting.
6
Fan Control
Regulates fan output:
Off - Turn control to the full left position.
Low - One position to the right of off.
Medium - Two positions to the right of off.
High - Turn control to the full right position.
7
Air
Conditioning
Control
Off - Full left position.
TM 9-2320-342-10-1
0023
0023-3