ViewSonic Optiquest Z50 User Manual page 8

To adjust the screen image:
To display the Main Menu (parts 1 and 2 shown below), press button [1].
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To select a control you want to adjust, press the arrow buttons on the front
2
control panel of your monitor (ML) and scroll through the choices.
When the control you want to adjust is highlighted, press button [2].
NOTE: Some controls on the Main Menu are listed in pairs, such as
Contrast/Brightness. Press button [2] to toggle between control pairs after
displaying a control screen.
To adjust the selected control, press the arrow buttons (ML).
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To save the control setting and Exit the menu, press button [1] twice.
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