User Guide
Page 12
... Tune sharpens focus by aligning the illuminated text and/ or graphic characters. Horizontal Position moves the screen image left or right. ViewSonic VX900 11 NOTE: VESA 1280 x 1024 @ 60 Hz (recommended) means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz. Manual Image Adjust displays the Manual Image Adjust menu.
... Tune sharpens focus by aligning the illuminated text and/ or graphic characters. Horizontal Position moves the screen image left or right. ViewSonic VX900 11 NOTE: VESA 1280 x 1024 @ 60 Hz (recommended) means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz. Manual Image Adjust displays the Manual Image Adjust menu.