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Troubleshooting
"Can't find SP driver" message displays.
In this case, please check the followings.
(1) Confirm that the USB cable is connected securely and that the USB port is functioning properly.
z If the following warning appears, connect the projector and the computer using the supplied USB cable, and
then restart the program.
If the SPdriver6/SP6 Driver icon appears in red as figures (A)/(C), the USB function is not working. In this
case, confirm that the USB cable is connected securely and that the USB port is functioning properly. The
USB function performs normally when the SPdriver6/SP6 Driver icon becomes green as figures (B)/(D).
(A)
Attention:
Some antivirus softwares may disable the USB ports. Set such software to support the USB ports.
(2) Use the supplied USB cable together with the projector. If a longer USB cable is needed, contact your dealer
for details.
(3) Confirm the USB port is functioning normally. Consult a qualified technician when it does not work.
Note:
When using a notebook computer, reduced battery capacity can result in USB ports not working. If this should
occur, use AC power. Moreover, some notebook computers are unable to supply the standard current level of
500 mA from USB ports. In addition, some USB converters will not work properly. In such cases, use the sup-
plied USB cable.
When the computer is restarted from standby mode, LightPen3 does not work.
When a computer is put into standby mode, its USB ports might be shut down. Quit the LightPen3 program once
and then restart it.
The tip of the Pointer and the mouse cursor position are not the same.
This may be caused by one of the followings.
(1) Calibration was not conducted accurately.
(2) After calibration, the projector or screen was moved.
(3) The computer resolution was changed.
Recalibrate in any of these cases.
The mouse cursor jumps around regardless of the movement of the Pointer tip.
This may be caused by one of the followings.
(1) There might be interference from a strong light nearby. Block nearby light from reaching the screen.
(2) Since remote control use can cause malfunction, do not use the remote control when using the interactive
functions.
(B)
(C)
Troubleshooting
(D)
(continued)
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