TM 1–1520–238–T–1
4–54
Change 5
4–8
MUX SYSTEM – INTERACTIVE FD/LS
4–8
CHECK
Personnel Required:
(2)
References:
TM 1-1520-238-23
TM 9-1230-476-20-2
TM 9-1230-476-20-1
NOTE
If the AGPU is selected to provide power to the
aircraft, refer to paragraph 3–1. If the APU is
selected to provide power to the aircraft, refer to
paragraph 3–3.
1. Perform SYSTEMS – POWER–UP procedures in
accordance with paragraph 3–1.
2. Perform FD/LS check as follows:
TASK
RESULT
a. On CPG FCP set
SYSTEM switch to
FC SYM GEN, CPG
SAFE ARM switch to
SAFE and CPG
MSL switch to ON
(ACZ) (ADD).
If BIT IN and PROGRESS do
not alternately appear on
HOD, refer to
TM 9-1427-475-20.
