Replace Projector LG HU810p to AU810PB test, KEYSTONE function not working . Reset to it .. then

Received LG AU810PB Feb 18,2022

Begin test Feb 19,2022

Everything looked fine at first.
Later feature KEYSTONE doesn't work.

I did reset to manufactory
"Reset to Initial Settings" mode

After reset the Keystone
function working but
why vertical line looks difference
The two vertical lines look very different

30 days can return.
need return and fix

[bryanp]

They're very unreliable projectors, mine is having bad issues currently, split screening and flickering

[LOBOFERZD]

Try to accommodate the projector, no keystone should be used, ruins the image and sharpness