Power off the FieldLab Pressure
Connect the FieldLab Pressure to FieldLab Desktop via USB
Power on the FieldLab Pressure while holding down both the Zero Button and the Power Button for 5 seconds.
Press the Zero Button and the Power Button at the same time.
On the FieldLabs Screen in FieldLab Desktop, select the Restore Button.
Watch the FieldLabs Desktop screen and follow the instructions.