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CAUSE / REMEDY:
CAUSE / REMEDY:
CAUSE / REMEDY:
CAUSE / REMEDY:
CAUSE / REMEDY:
CAUSE / REMEDY:
CAUSE / REMEDY:
1. Brightness and/or contrast may be set too low. Increase the brightness and/or
contrast settings.
2. The projection room may be too bright. Lower the intensity of projection
room lighting and reduce light reflections as much as possible.
3. The projector may be too far from the screen. Move the projector closer to
the screen.
4. The location of the audience with respect to the screen may not be adequate.
Make sure the audience is within the viewing angle set by the projector and
screen position, and the screen type.
5. The source may be double terminated. Ensure the source is terminated only
once.
6. The source (if non-video) may need sync tip clamping. Turn the "
option to "
" in the Horizontal Settings menu.
1. The projector's image orientation is not set correctly for the current
installation. Refer to 2.6, Operating Orientation, to set the projector's image
orientation to match your installation.
1. This can sometimes occur when the source is a VCR or video signal. If you
are using a VCR, turn the "
menu.
1. Horizontal/vertical size or position may need adjustment. Adjust until the
entire image is visible and centered.
1. The Horizontal Size (or Vertical Size) setting may be incorrect for the
current source. Adjust H-Size in the Horizontal Settings menu (or adjust V-
Size in the Vertical Settings menu).
2. The frequency of the pixel sampling clock is incorrect for the current source.
Adjust pixel tracking up or down.
1. The operating temperature of the projector may not be constant. Watch that
the projector is not located too close to heating/air conditioning vents.
2. The source input signal may be of low quality.
3. The horizontal or vertical frequency of the input may have changed at the
source end.
1. You may have accidentally entered a special engineering code. Press
cancel the function and return to presentation level.
" option to "
" within the Image Settings
DLV 1280 User's Manual
MAINTENANCE
"
to
4-13
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