MyFlyDream Mini Crossbow

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Summary

Precautions

Product Introduction

Analog video link data transmission

Explains analog video link for tracking data transmission from UAV to ground station.

High Definition video link data transmission

Explains HD video link for tracking data transmission from UAV to ground station.

Digital data link via MAVLink

Explains digital data link for tracking data transmission via MAVLink protocol.

Installation and wiring

Tripod mounting

Describes mounting the AAT on a tripod using a standard 1/4-20 threaded interface.

Antenna mounting recommendations

Explains mounting the antenna using a special bracket to avoid compass interference.

Front panel connector wiring details

Details the two aviation type connectors on the front panel and their wiring.

Connectors Description

L-Connector pinout and functions

Describes the MFD Crossbow Mini L-Connector pins and functions.

R-Connector pinout and functions

Describes the MFD Crossbow Mini R-Connector pins and functions.

MAVLink data input via connectors

Explains MAVLink data input via the RIGHT connector's PIN#1 or LEFT connector's PIN#2.

RIGHT port functions for telemetry

Details functions supported by the RIGHT port's PIN#1 (RX1).

Test

SetHome procedure and tracking initiation

Explains how to SetHome for the tracker once sufficient satellites are locked.

Tracker rotation limits and behavior

Describes the tracker's rotation limits and behavior when reaching them.

Downlink

Vertical Blanking Interval (VBI) data transmission

Explains Vertical Blanking Interval (VBI) as a method for carrying flying information.

VBI setup and connection

Guides on correctly setting up the plane for VBI data transmission to the tracker.

DataRadio with MAVLink protocol

Explains using DataRadio with MAVLink protocol for plane-to-tracker data transmission.

MAVLink message requirements for tracking

Lists essential MAVLink messages (GPS_RAW_INT, GLOBAL_POSITION_INT) required for tracking.

MAVLink altitude settings (ALT=BARO;GPS)

Explains using relative altitude from MAVLink data for tracking with ALT=BARO or ALT=GPS.

MAVLink update frequency recommendations

Recommends higher update frequencies for MAVLink messages for better tracking.

DataRadio troubleshooting

Provides troubleshooting steps for DataRadio connectivity issues.

AAT Menu Operation Guide

YawTrim and HomePos settings

Explains adjustment of YawTrim for pointing accuracy and management of HomePos.

Compass and Motor calibration

Details the CalCompass menu for calibrating the internal compass and MotorCurr settings.

Pitch calibration and Compass mode

Guides through CalPitch procedure and explains CompassMod settings.

Left and Right port baud rate settings

Describes setting the baud rate for the left port (L-BaudRate) and right port (R-BaudRate).

Flight information and Payload selection

Explains the FlightInfo screen and the PayloadSel for setup configuration.

OSD, VBI, Protocol, and Tracker ID settings

Covers OSDLevel brightness, VBISetting, Protocol selection, and TrackerID.

System Information and Factory Settings

Shows system info (version) and lists factory test options.

Appendix A: Dimensions

Tracker and antenna mounting interface dimensions

Provides dimensional drawings of the tracker and antenna mounting interface.

Appendix B: Firmware Update

Firmware update procedure

Outlines the procedure for updating the firmware of the mini Crossbow.

USB-TTL driver and update tool installation

Provides links for USB-TTL drivers and the MFD FW & update tool.

Update tool usage steps

Details the steps for running the update tool, selecting the device, and COM port.

Appendix C: External GPS+Compass Module

External GPS+Compass module setup

Explains connecting and configuring an external GPS+Compass module for enhanced tracking.

Module alignment and connection

Guides on aligning and connecting the GPS+Compass module to the left port.