Manual
12 
Compatible Head trackers 
The Fat Shark, M.I.G. Tracker, Magnetic Inertial Gyro 
Or any other type with the required signals, see Head Tracker section above. 
Option Board 
Tx700 Pro 
The extra add on board called Option-Board can be installed by the user. 
The extra features are: 
Firmware upgrade via USB connector. 
Both the TX main board, and the Option board CPU can be upgraded with this option board. 
Data Demodulator and PC USB interface, for UAV systems. (live 2 way data is then possible) 
Voltage monitor with audio alarm. 
THIS SECTION WILL BE UPDATED WHEN THE OPTION BOARD IS RELEASED. 
Modem Setup Option Board 
Tx700Pro 
The Audio signal is 1200 Baud FSK from a video receiver, the level can be from 200mV to 2000mV 
adjustable on the upgrade board trimmer, adjust trimmer for carrier LED LIT, find the two points where the 
LED is not lit, and set it in the middle of that for best margin to both sides. Install FTDI232 VCD driver on the 
PC, run your UAV control software to display live flight parameters. 
THIS SECTION WILL BE UPDATED WHEN THE OPTION BOARD IS RELEASED. 










