TruTrak AP IV - Manual (Page 2)

Button labels – White - mode is OFF, Green - mode is ON
Click – Momentarily push and release any knob or
button
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
Rotate right knob to select new altitude
(Depress knob for 100 ft resolution)
Click [ Enter ]
Altimeter bug cancel – Click ALT button
Dimmer function – Click left knob to enter setup mode
Rotate left knob to set desired brightness
Click [ Enter ]
Nav mode – Click NAV button
Nav mode cancel – Click NAV button or rotate left knob
(Track bug adjust)
Autopilot and Flight Director Operation
Autopilot on / off – Click AP / FD button – on,
Click
AP / FD button – off
Flight Director on / off – Press AP / FD button – on,
Press
AP / FD button – off
Track select – Rotate left knob
Nav mode – Click NAV button
Nav mode cancel – Click NAV button or rotate left knob
(Track select)
GPS Steering – Click GPSS button
GPS Steering cancel – Click GPSS button or rotate left knob
(Track select)
Altitude select – Click ALT button, bug will synchronize to
nearest 100 feet
Rotate right knob to select new altitude
(Depress knob for 100 ft resolution)
Click [ Enter ] (Initial VS is +/- 500 FPM)
Vertical speed adjust – Rotate right knob
VNAV – Click ALT
Rotate right knob to select altitude below current
(Depress knob for 100 ft resolution)
Click DIST
Rotate right knob to select desired distance
Click [ Enter ]
WAAS approach – Click GPSS (GPSV will appear when available)
Click GPSV (Glide slope scale will appear)
Missed approach – Click GO AROUND (Enters Track select and
+ 500 FPM climb)
Barometer adjust – Click right knob to enter setup mode
Rotate right knob to adjust barometer setting
Click
[ Enter ]
Dimmer function – Click left knob to enter setup mode
Rotate left knob to set desired brightness
Click [ Enter ]
Arrival Transition
(Note: Operation is the same regardless of AP or FD being on or off)
Arrival Transition – Click CRS
Rotate left knob to set HSI course pointer to
selected runway direction
Click APPR