Table 4-9. Pilot Fire Control Panel/Indicator Functions - continued
Control/
Indicator Position Function
PNVS OFF Disables all power to the pilot night vision sensor.
ON Enables power to the pilot night vision sensor and begins cooldown of the FLIR.
FLIR VID GAIN A rheostat adjustment varying the thermal image gain, analogous to display
contrast.
LEVEL A rheostat adjustment varying the thermal image level, analogous to display
brightness.
IHADSS SYM BRT A rheostat adjustment varying symbol brightness from bright white to black.
VID
BRT A rheostat adjustment varying image brightness on the IHADSS HDU. Used for
initially setting brightness with the gray scale.
CONTRAST A rheostat adjustment varying image contrast on the IHADSS HDU. Used for
initially setting contrast with the gray scale.
IHADSS Enables power to the boresight reticle unit and places the pilot IHADSS in
BRSIT boresight mode.
OFF Disables power to the boresight reticle unit.
4.21 CPG ARMAMENT CONTROL PANELS.
The CPG Armament control panels are the Missile
Control panel and the Fire control panel.
4.21.1 CPG Missile Control Panel. The CPG missile
control panel, placarded MSL (fig 4-13), is located in
the left console (fig 2-12) and receives its power as part
of the overall missile system. Controls and functions
are described in table 4-10. Figure 4-13. CPG Missile Control Panel
4-29
CAUTION
TM 1-1520-238-10
Table 4-10. CPG Missile Control Panel Functions
Control Position Function
TYPE LASER Specifies that laser seeker missiles are to be used for firing.
RF/IR Growth position for advance missile concepts; currently inactive.
IRIS Growth position for advanced missile concepts; currently inactive.
MODE STBY Places the missile system in standby mode.
NORM Places the missile system in normal mode in which only priority channel missiles
can be fired.
RIPL Places the missile system in ripple mode in which priority and alternate channel
missiles can be fired alternately.
MAN Permits manual advance of missile selection instead of using auto replenishment.
MAN ADV/ Used with the MAN position of missile mode to actually advance missile selection
DEICE manually. This DEICE mode is used to manually initiate the separation of the ice
protection dome on the HELLFIRE missile. Separation will occur for the priority
missile of the priority channel.
LOAL This switch and related positions function identically to the pilot LOAL switch.
4.21.2 CPG Fire Control Panel. essential bus and No. 3 essential dc buss; protection is
provided by the FC AC and FC DC circuit breakers located
on the pilot overhead circuit breaker panel. The
CPG FIRE CONTROL panel is continuously moni-
With the PLT/GND ORIDE switch in tored by FD/LS; the on command test (test 15-UTIL)
the ORIDE position and the CPG will fault isolate to the LRU. Controls and functions are
SIGHT SELECT switch set to NVS, described in table 4-11.
the high action display is disabled.
The AWS can be actioned without any
message in weapon control or weap
on status and can result in damage
during takeoff or landing if the 30
mm gun is actioned and depressed inadvertently.
The CPG fire control panel, placarded FIRE CONTROL
(fig 4-14), is located in the left vertical instrument
panel (fig 2-10) and receives power from the No. 1
4-30
TM 1-1520-238-10
Figure 4-14. CPG Fire Control Panel
4-31
TM 1-1520-238-10
Table 4-11. CPG Fire Control Panel Functions
Control
PLT/GND
CPG ARM
RKT
GUN
MSL
LSR
SIGHT SEL
Position
OFF
ORIDE
OFF
SAFE
ARM
STBY
HMD/
TADS
TADS
IRIS
NVS
HMD
Function
Squat switch inhibits arm/safe power while on the ground. Airborne MASTER
ARM switch controls arm/safe power.
Squat switch overridden in all modes and CPG ARM switch controls arm/ safe
power for the aircraft.
Disables all weapon control/firing circuits of the CPG.
Enables safe power to the CPG weapons select switches only if the MASTER ARM/
SAFE switch is in arm or safe or if PLT GND ORIDE is in override. A green SAFE
light indicates a valid safe condition.
Enables ARM power to the CPG firing circuits only if the MASTER ARM/SAFE
switch is in arm or if the PLT/ GND ORIDE is in override. An amber ARM light
indicates a valid arm condition.
All positions identical to the pilot.
All positions identical to the pilot.
All positions identical to the pilot.
The laser select switch provides power to the laser electronics and laser
transceiver units.
The laser cannot be fired unless a valid arm condition exists for the CPG and
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