How to calibrate the Ninebot PTR E Plus or Ninebot Elite
Step 1: Make sure the machine is turned on and the platform is level.
Step 2: Using the remote, press the lock button (bottom button).
Step 3: Press the power button (top button) on the remote 4 times until all 5 LEDs are present (they will automatically reset to the single middle LED after about 1 second).
Step 4: Press and hold the speed limit button (right button) until you hear 2 sets of double beeps.
Step 5: Press the lock button (bottom button) on the remote to unlock your device.
Your Ninebot PTR E has now been recalibrated and is ready to go!