TM 1–1520–238–T–1
1–12
Change 5
1–5
FD/LS OPERATION – GENERAL (cont)
1–5
CONTINUOUS TEST MODE
NO-GO MESSAGE
MAINTENANCE TEST MODE
MENU ADDRESS
DTC BATTERY LOW (ADD)
35 – DTU
EGI SYSTEM NO-GO (ADD)
36 – EGI
CONTINUOUS TEST MODE
NO-GO MESSAGE
BORESIGHT
MENU ADDRESS
TADS BORESIGHT
NO-GO
22 – ED
(EDIT MODE)
GUN BORESIGHT
NO-GO
25 – ED
(EDIT MODE)
PYLON BORESIGHT
NO-GO
28 – ED
(EDIT MODE)
PNVS BORESIGHT
NO-GO
31 – ED
(EDIT MODE)
d. End-To-End (ETE) Check.
(1) A complete FD/LS maintenance test of the AH-64A
systems can be performed by selecting FD/LS menu address
16 – ETE. The ETE check performs the test menu addresses
01 through 15 (ACY), 1 through 3 and 5 through 15 (ACZ) 1
through 3, 5 through 15 and 33 through 36 (ADD). FD/LS does
not perform ETE testing on menu addresses 04 – GUN (ACZ),
(ADD), 17 – APU, 18 – GEN, 19 – TRAN.
(2) The prompt ETE COMPLETE indicates all
maintenance testing has been completed. A complete list of
the current NO-GO messages is displayed upon completion of
the ETE check.
