Proxima ASA Proxima DP5500 User Manual
Page 48

Troubleshooting
5-3
PROBLEM
LIKELY CAUSE
POSSIBLE SOLUTION(S)
Projected image
Zoom lens not adjusted
Adjust zoom lens or move
smaller than screen
properly, or projector too
projector away from screen
close to screen.
screen.
Image off-center
H. or V. POSIT adjusted
Adjust H. and/or V. POSIT; if
incorrectly.
image will not center, check for
compatibility problems.
Compatibility problem.
Verify projector is image
compatible with one of the
standards listed in Appendix A.
Misalignment or damage to
Projector requires service.
optical elements.
No image on the
Projector power is off or
Computer must be on for
computer screen
projector is not running.
computer monitor to display.
Lamp is burned out.
Turn off projector.
Replace lamp.
Cable not connected.
Connect cable.
Streaks on monitor
Video cable plugged into
Check cable connections and
the computer or projector
projector.
is upside down.
Faint screen
Low intensity.
Adjust BRIGHT (brightness)
and CONTRAST settings.
Jittery, fuzzy letters
Out of sync.
Adjust H. PHASE setting.
Cannot get entire
Compatibility problems.
Verify projector is image
image on screen;
compatible.
scrambled image
“Shimmering” colors H. PHASE or BRIGHT setting
Adjust H.PHASE or BRIGHT
out of adjustment.
(brightness) settings.
Colors weak in
Weak video signal.
Check for faulty video source,
video mode NTSC,
bad connection, or frayed
PAL, or S-VHS
cable.
COLOR setting may be
Adjust color setting.
too low.