Microtek C593 User Manual page 8

1. Press the Menu key to activate the OSD screen. The screen below will
appear.
Note: Perform the procedure above whenever you need to change a
setting. For the succeeding sections, this step will not be included,
and users will be presumed to have performed the procedure.
2. Use the selection key to move to the desired item.
3. Use the - & + key to carry out the desired function or to go to the
second menu item and perform further changes.
We strongly recommend that you use this item to get the optimized visual
quality. Use the selection key to select auto-adjustment, then press - or +
to get the optimized quality.