Optoma H27 Service Manual page 33

- Factory Reset
After final QC step, we have to erase all saved change again and restore the factory defaults.
Please press "Power", " ", " ", "Menu" on the projector control panel to enter the
engineering mode, and then choose "Factory Reset" then choose "YES" and press enter to see
if it works.
This action will allow you to erase all end-user's settings and restore the original setting.
4-9
H27