to perform a factory reset on OP–Z please do the following:
- press and hold the [screen] button, while turning on the unit. OP-Z will start in upgrade mode.
- then press and hold [screen] and [stop] for a few seconds. this triggers a factory reset.
the process is finished when you see a blinking white led, and four green leds.
- if connected to usb, safely eject the unit, and then power cycle it.
- OP-Z is now ready to be used.
please note that any custom user content will be removed when a factory reset is performed.
for further information see the user guide.