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Why the keystone value can not be saved after turning off the projector?


(1) Please switch off auto keystone firstly, then adjust keystone, then the value of keystone will be saved.
(2) The design is that while auto keystone is activated, user adjusts keystone manually will make auto keystone be switched to off temporarily. User can set auto keystone back to "on" again to activate auto keystone, or it will be switched to "on" automatically when next time powering on the projector.