The HX X9 Scooter parameter P4 is hidden, which is different from other HX adult scooters setting method.

1. Press Power & Function key together to enter the menu setting, and the screen displays “P0”
2. Press Function key to switch to the P1 setting item;
3. After holding the brake lever, press and hold the Function button for 2 seconds to enter P4 to release the brake lever;
4. Press the Power button to enter the P4 setting item;
5. Press the Function key to set the required P4 value, the specific values are shown in the previous section; (when the third gear speed is adjusted to FF unlimited speed, the second gear speed is 20km/h; when the third gear speed is adjusted to the speed limit 20/25km/h , the second gear speed limit is 15km/h)
6. Press the Power and Function button at the same time to save & exit the P menu settings

X9 Electric Scooter Variable Speed Kit (40kmh)

Note: The X9 speed controller kit is for users who wants to release or limit the max speed of X9 Plus/PRO Max scooter, the LED display panel needs to work with speed controller to access the P4 setting.