Once your machine has booted up, from the Idle Screen, press Settings.

Press Tools

Initialize EEPROM will clear all soft data and restore the machine back to the last firmware settings installed. The screen may return to the idle screen.

Reset BLTouch is only valid if you have a BL Touch probe installed. This button will clear any current errors with the Probe. No movement or confirmation will occur.

Adjust Steps/mm will bring you to a new menu where you can calibrate each Axis' steps/mm. Pressing this will enter the Calibration screen for Steps/mm.

PID Tuning will bring you to a new menu where you can calibrate thermal settings. Pressing this will enter the Calibration screen for PID Tuning.