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5.2 Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may encounter with the
LED1081
. If the
suggested solutions fail to resolve the problem or if you encounter an issue not described here, please contact
Knoll
Systems
Technical Support.
Symptom
Possible Cause(s)
Solution
The projector does not turn on.
The
LED1081
is not plugged in or
the AC outlet is not active.
•
Ensure that the
LED1081
is
plugged in and that the AC outlet
is active.
•
The remote control does not work
correctly.
The batteries have run out.
IR code set mismatch between
remote control unit and projector.
•
•
Replace the batteries.
Press and hold the LIGHT and
ENTER remote control buttons si-
multaneously until the remote control
back-lighting “blinks” (approximately
five seconds). Then, try again.
•
•
The projector is on and OSD menus
appear, but there is no video image
on-screen.
Incorrect source selection.
Source component is not turned on.
Source component is connected
incorrectly or not at all.
•
•
•
Select the correct source.
Turn on the source.
Check cable connection from
source component to projector.
•
•
•
A projected image from a DVD is
split or otherwise scrambled.
DVD player is connected to the
Component input and set to pro-
gressive scan mode.
•
Turn off progressive scan on the
DVD player.
•
Image is blurred.
The lens is not correctly focused.
•
Adjust the focus with the remote control.
•
Image is too bright and/or lacks defini-
tion in the bright areas of the image.
Contrast is set too high.
•
Lower the contrast setting.
•
Image appears “washed out” and/or
dark areas appear too bright.
Brightness is set too high.
•
Lower the brightness setting.
•
Colors in the image are swapped;
for example, reds appear blue or
vice versa.
The Red/Pr, Green/Y or Blue/Pb
outputs from the source are con-
nected to the wrong inputs on the
LED1081.
•
Ensure that the source outputs are
connected to the correct
LED1081
input.
•
Table 5-1: Troubleshooting Chart
mainTenanCe and TroubleshooTing
