Translations:KAVAN Pro ESCs - Instruction manual/17/en

Normal Brake: After selecting this option, the brake function will be activated when you move the throttle stick to the bottom position. In this mode, the brake amount equals to the brake force you’ve preset.
Proportional Brake: After selecting this option, the throttle range of 20–100 % (on the transmitter) will correspond to the ESC throttle output of 0–100 % while the throttle range of 20–0 % (on the transmitter) will correspond to the brake force of 0–100 %.

Note: KAVAN PRO R-20SB and R-30SB don’t have this function.

Reverse Brake: After selecting this option, the Reverse Brake signal wire (its signal range must be the same as the throttle range) must be plugged into any vacant channel on the receiver, and you can control the motor direction via that channel. The channel range of 0–50 % is the default motor direction, the channel range of 50–100 % will cause the motor to spin counterclockwise. The channel stick should be within the channel range of 0–50 % (0 would be better) when the first time you power on the ESC. After the Reverse function is activated, the motor will stop first and then spin in the reversed direction and then increase to the speed corresponding to the throttle input. Either signal loss, no matter whether reverse brake signal loss or throttle signal loss during the flight can cause the throttle signal loss protection to be activated.