Instruction Manual
AP IV Quick Reference
Button labels – White - mode is OFF, Green - mode is ON
Click – Momentarily push and release any knob or button
TruTrak Flight Systems 31 EFIS Autopilot Installation Manual
00 ft resolution)
Rotate left knob to set desired brightness
rotate left knob (Track bug adjust)
–
/ off off
nc r rotate left knob (Track select)
el
)
st
VNAV – below current (Depress knob for 100
ter ]
ear)
Missed approach – Click GO ARO ct and + 500 FPM climb)
Barometer adjust just barometer setting
]
tness
Arrival Transition
(Note: Operation is the same rega less of AP or FD being on or off)
Arrival Transition – Click CRS, Rotate left kn to set HSI course pointer to selected runway direction
Click APPR
Press – Push and hold any knob or button for 2 seconds and release
Enter – Click knob labeled
[ Enter ]
Basic Operation
Barometer adjust – Rotate right knob
Track bug adjust – Rotate left knob
Altimeter bug adjust – Click ALT button, bug will synchronize to nearest 100 feet
(Depress knob for 1 Rotate right knob to select new altitude
Click
[ Enter ]
Altimeter bug cancel – Click ALT button
Dimmer function – Click left knob to enter setup mode.
Click
[ Enter ]
Nav mode – Click NAV button
cancel orNav mode – Click NAV button
Autopilot and Flight Director Operation
Click AP / FD button – on, Click AP / FD button – off Autopilot on / off
Flight Director on – Press AP / FD button – on, Press AP / FD button –
Track select – Rotate left knob
Nav mode – Click NAV button
caNav mode el – Click NAV button o
GPS Steering – Click GPSS button
a cGPS Steering c n – Click GPSS button or rotate left knob (Track select)
ltitude elect A s – Click ALT button, bug will synchronize to nearest 100 feet
to select new altitude (Depress knob for 100 ft resolution) Rotate right knob
Click
[ Enter ] (Initial VS is +/- 500 FPM
Vertical speed adju – Rotate right knob
otate right knob to select altitude Click ALT, R
ft resolution) Click DIST, Rotate right knob to select desired distance, Click
[ En
will appear when available) WAAS approach – Click GPSS (GPSV
Click GPSV (Glide slope scale will app
UND (Enters Track sele
– Click right knob to enter setup mode, Rotate right knob to ad
Click
[ Enter
immer function D – Click left knob to enter setup mode Rotate left knob to set desired brigh
Click
[ Enter ]
rd
ob
April 2009 8300-057 Rev D