TM 1-1520-238-MTF
2-43
Change 1
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
(1) SIGHT SEL switch – NVS.
(2) Coll. NVS switch – TADS.
Verify TADS WFOV FLIR is
displayed on HMD and TADS
follows pilots head movements.
(3) Coll. NVS switch – PNVS.
(4) SIGHT SEL switch – HMD or
NVS.
b. CPGs changeover check:
(1) SIGHT SEL switch – NVS.
(2) PLT/GND ORIDE switch –
ORIDE.
(3) Coll. NVS switch – PNVS.
Verify PNVS video with flight
symbology is displayed on
HMD and PNVS follows CPG’s
head movements.
(4) Coll. NVS switch – TADS.
(5) PLT/GND ORIDE switch – OFF.
(6) SIGHT SEL switch – As
desired.
