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. 2023 Jul 14;15:e00453. doi: 10.1016/j.ohx.2023.e00453

Table 2.

An overview of the FrSky RC transmitter buttons and functions.

Button Function Start position Functionality by position
Left joystick Movement Middle Upwards: Forwards
forwards/backwards Downwards: Backwards
Right joystick Movement Middle Right: Right
right/left Left: Left
SF Controls manual/ autonomous mode Downwards Upwards: Autonomous mode
Downwards: RC mode
SA Manual water sample Middle Upwards: Fills right bottle
Downwards: Fills left bottle
SG Strobe on/off Downwards/ When flicked upwards, and then back to start position strobe becomes
Middle If On Off
If Off On
SD Skip initialisation Downwards/ If just started:
Return to initialisation Middle
Upwards flick: Skip initialisation
If already initialised:
Upwards flick: Return to initialisation phase