Proxima 4100 User Manual page 75

Projector
PROBLEM
No image projected
No computer image
projected
No video image
projected
REPLACE LAMP
indication
Displayed image
not square
(keystoning)
Projected image
out of focus
Projected image
larger than screen
Chapter Six
6-2
LIKELY CAUSE
No power to projector
Lamp not on
Lamp burned out
Circuit breaker tripped
Over-temperature indication
Loose cable
No power to computer
Incompatible video system
Video source(s)
Loose/improper cabling
Burned-out lamp
Projector not placed at a
proper angle to projection
screen
Projection lens not focused
Projector too far from screen Move projector closer to screen
Zoom not set correctly on
zoom model
POSSIBLE SOLUTION(S)
Turn power ON
Check AC cord
Check power to electrical outlet
Turn lamp ON
Replace lamp assembly
Correct overload situation; press
circuit breaker reset button
Allow projector to cool; turn
projector OFF and then ON
Check and secure cable
connections
Turn on computer
If possible, check computer with
another monitor
Check video source(s)
Check and secure cabling
between video source(s) and
projector
Replace lamp
Adjust position of the
projector and the screen
Adjust the focus
Adjust power zoom