MyFlyDream MFD AAT, Руководство пользователя

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generates as a part of the geomagnetic field in the calculation. So try to keep away any
ferromagnetic objects since they might adversely affect the trackers accuracy
2). Q: How to make the data downlink more reliable?
A:
MFD AAT uses the audio channels to transmit data. A clean noise-free audio channel
with appropriate level can make the data transmission more reliable. It is suggested the
peak-to-peak value of audio output level of the video transmission receiver should be
preferably within 0.8~2V. If there is a microphone and amplifier circuit attached to the
transmitter, you need to remove them to get the best results.

Some VideoTXs has a build-in microphone circuit. For example the below 5.8G
VideoTX:
The microphone and potentiometer in the red circles must be removed to get a clean
audio channel.