TM 1–1520–238–T–1
Change 5
4–39
4–6
IHADSS – INTERACTIVE FD/LS CHECK (cont)
4–6
TASK
RESULT
d. On DEK, press and
release ()/0 and
PQR/6 keys (ADC).
On CDU, press and
release 0 and 6 keys
(ADD).
When PUT IHADSS POWER
SWITCH IN ON POSITION
appears on HOD, go to next
step.
e. On CPG FIRE
CONTROL panel,
set SYSTEM
IHADSS TEST IN
PROGRESS appears on
HOD for 57 seconds.
IHADSS to IHADSS.
If one or more FD/LS
NO–GO displays listed below
appear on the HOD, perform
the following in sequence:
(1) Perform SYSTEMS
– POWER DOWN
(para 3–2).
(2) Perform CORRECTIVE
ACTION indicated for first
NO–GO displayed on
HOD.
(3) Perform SYSTEMS
– POWER–UP
(para 3–1).
(4) Repeat FD/LS check
beginning with step 2. If
NO–GO repeats after
CORRECTIVE ACTION,
refer to
TM 9-1270-221-23.
NOTE
Record all NO–GOs before rotating
DATA ENTRY switch to STBY (ADC).
f. On DEK, rotate
DATA ENTRY switch
to STBY (ADC).
NOTE
If this FD/LS check is to be followed
by an IHADSS OPERATIONAL
CHECK (TM 9-1270-221-23.), omit
step 4.
4. Perform SYSTEMS – POWER DOWN (para 3–2).
