Vidikron 90 manual Input Position Left/Right Up/Down Width Height Overscan

Operation

Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust sharpness, select Sharpness from the Picture menu and press ENTER. On your external test pattern source, select a pattern like the one shown in Figure 4-5.Adjust as needed, looking for white edges around the transitions from black to gray and different sized lines in the “sweep” patterns at the top and bottom. Lower the sharpness setting to eliminate them.

Figure 4-5. Typical Test Pattern for Adjusting Sharpness

Use the controls in the Input Position Menu to fine-tune the aspect ratio and image position for the current source.

When you change an input position setting, save the change to a preset

Note afterwards. Otherwise, the change will be lost when a different input is selected. (The input position settings are saved for each input and resolution separately.) For information about saving settings, refer to ISF Presets on page 4-10.

Left/Right: Select Left/Right from the Input Position menu to shift the projected image horizontally. Use the right or up cursor button to shift the image to the right; use the left or down button to shift it to the left.

Up/Down: Select Up/Down from the Input Position menu to shift the projected image vertically. Use the right or up cursor button to shift the image upward; use the left or down button to shift it downward.

Width: Select Width from the Input Position menu to change the projected image width. Use the right or up cursor button to increase the width; use the left or down button to decrease it.

Height: Select Height from the Input Position menu to change the projected image height. Use the right or up cursor button to increase the height; use the left or down button to decrease it.

Input Position

Input Position

Left/Right

Up/Down

Width

Height

Overscan

Vidikron Vision Model 90 Owner’s Operating Manual 4-9