Foxtech DA16 Radio Control System
User Manual
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2018 FOXTECH All Rights Reserved
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(6) In “GPS” mode, DATA1 / DATA2 is assigned for GPS module. By extending to GPS module, farming
drone users can handle DA16 transmitter to mark flight points in farmland;
(7) In “SDK” mode, DATA1 / DATA2 is assigned for outputting joystick channel value, users can tap on “+ / -”
to increase or decrease output frequency.
SDK Agreement Format
Field
STX
Data Length
CMD ID
DATA
Check Sum
Index
0
2
5
6
38
Bytes
1
1
1
32
1
Description
0X55
Data field byte length value: 32
0x00
Joystick channel data
Data type: 16-byte unsigned int for channel 1-16
8 bytes (check sum from 0 byte to 37 byte)
Stick Cali
Stick Cali function help users calibrate joysticks’ middle position. Regularly calibrating joysticks help users
maintain joysticks’ control accuracy. Only the self-centering joysticks require calibrating. They require
calibrating when they fail to reach their maximum / minimum positions or stay out of their middle position
(channel output value is not 0).
Steps to Calibrate
(1) In system settings menu, tap on “Stick Cali”, in screen it shows joystick calibrating menu;
(2) The cross coordinate system displays joysticks’ real-time position;
(3) Tap on “Start Calibrating”, in screen it pops up “Confirm if all joysticks are in middle position”;
