Optoma TW775 User Manual page 42

User Controls
Setup | Signal
Frequency
Phase
H. Position
V. Position
English

Change the display data frequency to match the frequency of your
computer's graphics card. If you experience a vertical flickering bar, use
this function to make an adjustment.
Phase synchronizes the signal timing of the display with the graphics
card. If you experience an unstable or flickering image, use this function
to correct it.
4 Press ◄ to move the image left.
4 Press ► to move the image right.
Press ◄ to move the image down.
4
Press ► to move the image up.
4