TM 1-1510-233-CL
P-8
2.
Flight director – Check as follows:
a. SBY push-button switch-indicator (flight di-
rector mode selector) – Depress for at least
5 to 8 seconds and verify the following indi-
cation:
(1) Flight director mode selector – Annun-
ciators illuminate.
(2) Autopilot controller – Annunciators illu-
minate.
(3) Altitude select controller – All 8’s illumi-
nate.
(4) Pilot’s altimeter altitude alerter annun-
ciator – Illuminates.
(5) EADI – FD FAIL (amber) will be annun-
ciated.
b. After SBY push-button switch-indicator has
been held depressed for 5 to 8 seconds
verify that:
(1) AP TRIM annunciator – Illuminates.
(2) Autopilot disconnect horn – Sounds.
c. SBY push-button switch-indicator – Re-
lease.
d. FD and ATT annunciators on the EADI –
Check extinguished.
3.
Autopilot – Check as follows:
a. Autopilot trim annunciators – Check extin-
guished.
b. TURN knob – Center.
c. ELEV TRIM switch – Check ON.
