Owner`s manual

Maintenance and Troubleshootin
g
4.
Q
: Why can’t install the pro
g
ram?
A: You might need to log in as “administrator” to be able to install program to
your computer. Consult with your I/T engineers to help you in this case.
In addition, pro
g
ram will be deleted if you install twice due to the settin
g
o
f
program. In this case, please install again.
5.
Q
: Why is it showin
g
“No li
g
htpen found”?
A: The possible reasons for this might be:
(1).USB cable not well connected
Please check and make sure the cable is well connected between PC and
Projector.
* Some Anti-virus program will disable the USB port. Please close th
e
anti-virus program and start the “LightPen” program again.
(2).USB driver is not well installed
(3).The len
g
th of USB cable is too lon
g
.
T
he USB cable should be shorter
than 1.5M.
If you would like to require longer cable then please
purchase proper USB extension cable from your dealer.
(4).USB port on computer malfunction
Please check if the USB port is functioning. If not, please consult wit
h
I/T engineer.
Some note book computer will disable USB ports when the battery is low.
Please try to use AC power. Some note book computers do not
provide standard 500mA to the USB ports or the USB converter is not
working properly, in this case please use our standard USB cable.
6.
Q
: Why the
g
reen cross tar
g
et does not appear after runnin
g
li
g
htpen
calibration?
A: This is signaling too weak caused by using USB cable either poor quality or
too lon
g
. Try a better quality USB cable or use proper USB extension cable
.
7.Q: Why can’t I make the green cross target turn into black in calibration
procedure?
A: Possible reasons are the wand or light pen is out of battery or the system
not working properly caused by strong ambient light interference.
8.Q: Why the green cross target turns into black itself?
A: This is caused by strong ambient light interference. Try to control the
ambient light.
9.
Q
: What is considered as “stron
g
ambient li
g
ht interference”?
A: Strong ambient light is usually caused by the following:
(1).Sun light direct projection on the screen. You can use curtain to avoid this.
(2).Tun
g
sten lamp workin
g
close to the sensor.
T
ry to move the tun
g
sten
lamp away from the sensor or switch it off.
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