Specifications

5-2 Chapter Five
PROBLEM LIKELY CAUSE POSSIBLE SOLUTION(S)
Displayed image Projector not placed at a Adjust position of the
not square proper angle to projection projector and the screen.
(keystoning) screen. Use the Keystone Adjustment
lever.
Projected image Projection lens not focused. Adjust the focus.
out of focus
Projected image Projector too far from screen. Move projector closer to screen.
larger than screen
Projected image Projector too close to screen. Move projector away from
smaller than screen screen.
No image on the Power switch off or Computer must be on for
monitor projector not running. computer monitor to display.
Turn on projector and light the
lamp.
Cable not connected. Connect cable.
Faint screen Low CONTRAST or Adjust CONTRAST and/or
BRIGHTNESS settings. BRIGHTNESS.
Jittery, fuzzy text Out of sync. Adjust SYNC.
Image off-center Position controls (arrow keys). Adjust position controls.
Compatibility problem. Make sure the projector is
compatible with one of the
standards listed in Appendix A.
Misalignment or damage to Projector requires service.
optical elements.
Cannot get entire Compatibility problems. Make sure the projector is
image on screen; compatible with one of the
scrambled image standards listed in Appendix A.
Wrong video resolution. Set video resolution on
computer to 640 x 480.
“Shimmering” colors SYNC out of adjustment. Adjust SYNC.
Colors weak Weak video signal. Check for faulty video source,
bad connection, or frayed cable.