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21. IHADSS – Boresight | Up
TM-1-1520-238-MTF Maintenance Test Flight Manual Helicopter Attack
AH-64A Apache | Next
22. TADS – Complete operational checks |
TM 1-1520-238-MTF
2-28
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
(8) Align HMD reticle with BRU.
(9) HMD BRSIT switch – Actuate,
then release.
(10) IHADSS BRSIT switch – OFF.
(11) INTR LT INST control – As
desired.
(12) SIGHT SEL switch – As
desired.
b. CPG
WARNING
Offset boresight is not authorized.
(1) SIGHT SEL switch – HMD or
HMD TADS.
(2) GS switch – Actuate, Adjust
grayscale to optimize.
(3) ORT BRT and CONT controls –
Check through full range. Then
set as desired.
(4) VID SEL switch – TADS.
(5) SYM BRT control – Adjust.
(6) BRSIT IHADSS switch – ON.
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