Xiaomi Mi 4K Laser Projector 150” User Manual page 14

Image Focus
Go to Se gs > Image > Focus, press the le
on the remote control to manually fine tune.
Keystone Correction
ht bu on To perform keystone correction, go to Se
Keystone Correction. Use the Le
to select 8-Point Keystone Correction, Fine Tune, or Reset.
Press the OK bu on to select a mode, then use the remote's
directional pad to adjust the shape of the projected image.
8-Point Keystone Fine Tune
Correction
gs > Image >
ht remote bu ons
Reset