41
Projected image size
Red LED Behavior and Projector Errors
If the projector is not functioning properly and the LED is blinking red, con-
sult
Table 3
to determine a possible cause. There are two-second pauses
between the blinking cycles.
Table 2:
Range of distance to the screen for a given screen size for the projector
Diagonal
Screen Size
(inches/m)
Distance to screen
Image Width
(inches/m)
Maximum
distance
(feet/m)
Minimum
Distance
(feet/m)
40/1
32/0.8
5.8/1.8
4.8/1.5
50/1.3
40/1
7.8/2.4
6,5/2.0
60/1.5
48/1.2
8.8/2.7
7.5/2.3
100/2.5
80/2
14.6/4.5
12.4/3.8
150/3.8
120/3.1
22.6/6.9
19.03/5.8
200/5.1
160/4.1
30.5/9.3
25.2/7.7
Table 3:
Red LED Behavior
Explanation
One (1) blink
The lamp won't strike after five (5)
attempts. Check the lamp and lamp door
installations for loose connections.
Two (2) blinks
The lamp counter hours have exceeded
lamp life hours. Replace the lamp and
reset the lamp hours counter.
Three (3) blinks
The projector has shut down. Check to
see if the lamp door is open. If the lamp
door is closed, toggle off the projector
and wait one minute, then toggle the pro-
jector on again. If the lamp does not strike
after one minute, replace the lamp.
Four (4) blinks
The fan has failed.
Five (5) blinks
The projector is overheating. Check for a
blocked air vent.
sp4800_ug_en.fm Page 41 Monday, September 29, 2003 2:08 PM