I don't understand the algorithm for deadzone for GameSir G7 SE : r/Controller

I don't understand the algorithm for deadzone for GameSir G7 SE : r/ Controller

GameSir G7 SE Xbox Gaming Controller Wired Gamepad for Xbox Series X, Xbox Series S, Xbox One, with Hall Effect Joystick

Circularity Explained and a note on GameSir G7 SE : r/Controller

I don't understand the algorithm for deadzone for GameSir G7 SE : r/ Controller

Tutorial: How to use GameSir G7 SE – GameSir Official Store

PC Controllers, BIGBIG WON Rainbow 2 SE Wireless Controllers Motion Control, Hall Effect Trigger, 12-bit ADC, 3 Sets of Joysticks, 4-way&8-way D-pad, PC App Controller for Switch/PC/Android/iOS : Video Games

GameSir G7 Xbox Wired Controller Review

GameSir G7 Wired Controller for Xbox Series X|S, Xbox One and Windows 10/11, Size: One Size

I don't understand the algorithm for deadzone for GameSir G7 SE : r/ Controller