1. Open “Wand”
2. Connect Printer
3. Click "Height Detect" button
The number 177.8 is the live height value of the nozzle.
The 182.8 is the current Nozzle Height Value (Z-value) for printing.
The green arrow keys will move the platform up and down.
The +/- keys is for modifying nozzle height value.
Apply height button will apply the current height to nozzle height field (182.8 will be replaced by 177.8)
After adjustment, click "Ok" to save the Nozzle Height Value.
Printer models with Auto Nozzle height function can use the Auto Detect to button to trigger the automatic measurement.
User may also refer to this article: 4.2. Nozzle Height Value