GOODEE YG600 - Image Focus Adjustment

4.4.2 Image focus
Put the projector vertical to the projector screen or
white wall adjust the keystone’@" , until the clearly
enough,then the focus is finished.during the focusing,
you cuold display video the menu to check the focus
adjust.
Solution
Our projector have no level keystone function,and if have this
problemthe reason is your haven't keep the projector verticel
with the projector screen.and the solution is to adjust the projector’s
pasitionand keep the projector on the same level