TruTrak Vizion PMA Autopilot User Manual

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TruTrak Vizion PMA Autopilot Specifications

General

Type	Autopilot System
Model	Vizion PMA
Manufacturer	TruTrak
Compatibility	Experimental and Light Sport Aircraft
Axes	2-Axis (Roll and Pitch)
Roll Steering	Yes
Altitude Control	Yes
Vertical Speed Control	Yes
Envelope Protection	Yes
Roll and Pitch Modes	Yes
GPS Steering	Yes
Approach Mode	Yes
Backlighting	Yes
Warranty	2 years
Weight	2.5 lbs
Installation	Panel Mount

Summary

General Introduction

About Trutrak and Your Vizion Autopilot

Introduction to Trutrak and its Vizion autopilot, highlighting quality and customer support.

Definitions

Defines terms used in the manual for user interface, mode usage, and display annunciation.

User Interface and Display Annunciation

Explains the autopilot's display, buttons (MODE, ALT), and knob for mode access and adjustments.

Autopilot Power Up

Autopilot Display

GPS Signal Status

Explains how the display indicates GPS signal status: NO GPS, NO FIX, GPS OK, and flashing plus/asterisk.

DG Display

Describes the display of track and ground track information, gyroscopically enhanced.

Trim Annunciation

Details how the autopilot indicates the need for nose up or nose down trim on the display.

Contrast and Backlight Adjustment

Covers adjusting display contrast and minimum backlight levels for optimal viewing.

Autopilot Operation

Syncing the Altimeter

Procedure for syncing the autopilot's internal altimeter to the aircraft's altimeter before use.

Engaging and Disengaging the Autopilot

Explains the methods for engaging and disengaging the Vizion autopilot and its audible alerts.

Normal Lateral Autopilot Modes

Details lateral modes: Track Select (TRK), GPS NAV, and GPSS for flight plan navigation.

Normal Vertical Autopilot Modes

Covers vertical modes: Vertical Speed (SVS), Altitude Hold (ALT HOLD), and Altitude Select (SEL).

Aspen Mode

Aspen Mode Description

Explains interfacing the Aspen system for heading bug/GPSS pass-through and barometer synchronization.

Aspen Mode Use

Steps to use Aspen mode, ensuring ARINC source is set to Aspen for heading bug/GPSS pass-through.

G5 Mode

G5 Mode Description

Describes interfacing the G5 for heading bug/altitude bug control and barometer synchronization.

G5 Mode Use

Steps to use G5 mode, ensuring ARINC source is set to G5 for heading/altitude bug control.

Safety Features

Emergency Level Mode

Engages autopilot into zero bank and zero vertical speed from any attitude for immediate stabilization.

Automatic Envelope Protection (AEP)

Passive system monitoring bank angle to prevent stall/spin incidents.

Gyro Backup Mode

Lateral mode for GPS signal loss; acts as a wing leveler with bank angle selection.

Sensor Failure Monitoring

Detects sensor faults, disengages autopilot, and provides warnings and audible alerts.

Minimum and Maximum Airspeeds

Autopilot protections to prevent stalls or exceeding VNE by adjusting pitch.

Quick Reference - Operations

AEP Arm and Disconnect

Quick steps to arm and disconnect the Automatic Envelope Protection (AEP) feature.

Autopilot Engage and Disengage Procedures

Concise instructions for engaging and disengaging the autopilot.

Lateral Mode Selection Summary

Summary of Track, GPS Nav, and GPS Steering lateral modes.

Quick Reference - Interface and Modes

Aspen and G5 Interface Modes

Summary of Aspen HDG Bug and G5 HDG/ALT Bug modes for external system integration.

Gyro Backup and Vertical Mode Overview

Quick reference for Gyro Backup, Altitude Hold, and Altimeter Sync procedures.

Altitude Select Mode Summary

Concise steps for selecting target altitude and transition vertical speed.