TM 55-6930-212-10
Table 8-2. IOS Forward Control Panel Controls and Indicators - Continued
Control/Indicator
Control
Function
INTERCOM
VOLUME variable control
Black/
Adjusts volume in IOS headset.
White
LIGHTING
OVHD INT variable
Black/
Adjusts intensity of overhead lights.
control
White
IND LAMP TEST
White
Tests all IOS indicator and auxiliary control
switchlight
panel lamps.
IND LAMP INT variable
Black/
Adjusts intensity of IOS indicator and
control
White
auxiliary control panel lamps.
CREW CHIEF FUNCTIONS
AFT HOOKED switchlight
White
When illuminated, indicates aft load hooked;
when out, indicates load released.
CTR HOOKED switchlight
White
When illuminated, indicates CTR load hooked;
when out, indicates load released.
FWD HOOKED switchlight
White
When illuminated, indicates FWD load
hooked; when out, indicates load released
.
MAINT PANEL TEST
White
When illuminated, indicates maintenance switchlight
panel test is in progress
.
VISUAL CONTROLS
OPER/STBY switchlights
White
Applies power to visual system. (Chin
OPER/STBY switchlight is not operational.)
MAINT/ON LINE
White
Selects visual system on-line or in mainten-
switchlight
ance mode.
8-11
