How to adjust the mechanical brake of the Xiaomi Electric Scooter 4 Pro (2nd Gen)?

The Xiaomi Electric Scooter 4 Pro (2nd Gen) comes with dual brakes for double protection. The drum brake on the front wheel and E-ABS on the rear wheel work together to shorten braking distances and enhance safety. Before adjusting, make sure the scooter is turned off and not charging.
When the brake is too tight or too loose, Please refer to the following methods to adjust the brake for an optimal experience:
Tool: 14mm T-handle socket wrench (the tool needs to be prepared by yourself).
When the brake is too tight, use the tool to turn the nut on the screw rod counterclockwise, to slightly shorten the brake cable's exposed bottom part. When the brake is too loose, use the tool to turn the nut on the screw rod clockwise, to slightly lengthen the brake cable's exposed bottom part.