TM 1-1520-238-10
4-34
Change 3
Table 4-11.
CPG Fire Control Panel Functions – continued
Control
Function
Position
BRSIT
Enables various sight or missile boresight modes.
TADS
Places the TADS in internal boresight mode.
OFF
Disables TADS internal boresight and returns to normal control.
IHADSS
Enables IHADSS boresight for the CPG and turns on the boresight reticle unit.
OFF
Disables all switch functions.
IRIS
Enables boresight of IRIS missiles; growth position, currently inactive.
MUX
Specifies which bus controller will control the multiplex bus.
PRI
Specifies the fire control computer.
SEC
Specifies the backup bus controller. The normal position is PRI. In the event of failure
of the FCC, switching to the BBC will occur automatically.
FCC/MUX switch shall be left ON.
CAUTION
FCC/MUX
ON
Enables power to the FCC.
OFF
Disables power to the FCC.
TADS LSR
CODE
LST
This index specifies the alphabetic laser code designation to be assigned to the laser
spot tracker.
LRF/D
This index specifies the alphabetic laser code designation to be assigned to the
LRF/D.
LRF/D CCM
Enables the first pulse range circuit. CCM Off enables last pulse logic. If erratic laser
range readouts occur, enable the LRF/D CCM.
FC SYM
GEN
Turns on the fire control symbol generator. Required for symbology generation and
video switching on board the aircraft.
IHADSS
Turns on the IHADSS and activates the IHADSS display electronics unit.
TADS
Turns on the TADS and initiates TADS FLIR cooldown.
FLIR OFF
Powers TADS but does not cool down the FLIR; not normally used.
OFF
Disables all power to the TADS.
