TM 1-1520-238-MTF
2-36
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
(f) IAT switch – Deactivated.
(5) Range focus adjustment –
Check as follows:
(a) Select a target at least 500
meters distant.
(b) FOV switch – N.
(c) RNG FOC switch – Actuate
through full range. Adjust
as required to optimize
image.
(6) NT filter select switch –
Actuate. Verify proper function
of night filter.
(7) SLAVE switch – Actuate to
return turret to fixed forward
stow.
i. Laser spot tracker – Check as
follows:
(1) LT – AUTO.
(2) SLAVE switch – Actuate. Verify
TADS turret enters a four bar
search pattern.
(3) LT – OFF. Verify TADS turret
stops.
(4) SLAVE switch – Actuate.
