Honeywell KFC 150 Pilot's Manual page 35

Vertical Trim Glideslope (GS)
I
Trim Failure
Warning
I
Approach
(APR) (ILS,
VOR or RNAV)
/
Altitude
Hold (ALT) Navigation
(NAV)
(VORIRN AV)
\
Autopilot
(AP ENG)
Self-Test Engage
Back
Course (BC)
Mode
Autopilot Action
Attitude Reference Power on and no modes selected. KG258
displays aircraft attitude and KG
107
displays
unslaved heading. Align heading to magnetic
compass by pushing and rotating the knob on
the lower left of the KG
107
and update
periodically
to
correct for precession. (With
optional KCS 55A Compass System a PNI is
installed in place of the KG
107.
The KI 525A
PNI will display slaved aircraft heading and
requires no periodic update.)
Aircraft control surfaces (ailerons and elevators)
smoothly respond to satisfy autopilot modes
selected by the pilot with automatic pitch trim.
Autopilot Engage (AP ENG)
34