TM 11520238T1
437
46
IHADSS INTERACTIVE FD/LS CHECK
46
Tools:
Nomenclature
Part Number
Integrated Helmet Unit (IHU)
LG1120AB06 (Large) or
(2)
LG1205AB01 (Extra Large)
Personnel Required:
(2)
References:
TM 9-1230-476-20-2
TM 9-1270-221-23
NOTE
If the AGPU is selected to provide power to
the aircraft, refer to paragraph 31. If the APU
is selected to provide power to the aircraft,
refer to paragraph 33.
Install helmets in both crew stations before
proceeding with FD/LS check.
1. Perform SYSTEMS POWERUP procedures in
accordance with paragraph 31.
2. Preset crew station switch/control settings as follows after
an aircraft power source is online.
Pilot Station (fig.21)
PANEL
SWITCH/CONTROL
POSITION
(set to)
FIRE
SIGHT SEL
STBY
CONTROL
(fig. 22 )
ACQ SEL
OFF
CPG Station (fig. 232)
PANEL
SWITCH/CONTROL
POSITION
(set to)
FIRE
SIGHT SEL
STBY
CONTROL
(fig.233)
ACQ SEL
FXD