You can adjust the TURBO speed in any page by the instructions followed.
Buttons can be set to the TURBO speed are A/B/X/Y/L/ZL/R/ZR button.They are called function buttons.
Now adjust the speed with the A button as an example.
Note: Please make sure the controller is connected to the switch console.
How to adjust TURBO?
1.Open the following interface
Operating: System Settings>Controllers and Sensors>Test Input Devices>Test Controller Buttons
2.Pressing the TRUBO button and one of the function button simultaneously can enable the TURBO function.（For example, adjust the TRUBO speed with the A button.）
3. Repeat the step 1, to disable the turbo speed function.