User`s guide

Clarity Visual Systems
November 1998
66
Image Problems
Follow these steps in order. Check the
Symptom operation of the display after each step
.
Image is dim
1. Verify that the display has adequate ventilation and that the fans
are working
2. Verify that the input signal is good
3. Adjust the Black Level via the menu while displaying a black
video image and the White Level while displaying a white video
image and set each of the colors in the Color Balance menu to 31
4. Replace the lamp
5. Check the light path for obstructions
6. Contact your service provider
Lamp ignites, but –
• No image
• Screen is all black or all white
• Image has an abnormally
strong hue of a single color
1. Verify that the correct source is selected in the Source Select
menu
2. If the image has a strong green hue:
Verify that Sync on green is selected in the source menu for
sources that have sync on the green channel.
3. Verify that the input signal is good.
PC or MAC
– video card is outputting 800x600 or 640x480 pixels
RGBS Video
– video processor settings are properly set
4. Verify that Curtain in the menu is off by pressing the Curtain
button on the remote.
5. Adjust the White Level and Black Level in the menu
6. Contact your service provider
Displayed image is too small or
too large
1. Make sure that the processor driving the display is scaling the
video correctly
2. Adjust the Frequency setting in the menu
3. Make sure that the image is positioned correctly on the screen
using the remote control
4. Contact your service provider
Active area of the image is not
fully on the screen
1. Adjust image position with the remote
2. Contact your service provider