Optoma Pi500, User Manual, Page: 16 / 84

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English
Troubleshooting
If you are experiencing trouble with the LCD display, refer to the
follows. If the problem persists, please contact your local dealer or
our service center.
Problem: No image appears on screen.
4
Check that all the I/O and power connectors are correctly and
well connected as described in the “ Installation ” section.
4
Make sure the pins of the connectors are not crooked or broken.
Problem: Partial image or incorrectly displayed the image.
4 Check to see if the resolution of your computer is higher than that
of the LCD display.
4 Reconfigure the resolution of your computer to make it less than
or equal to 1024 x 768
Problem: Image has vertical flickering line bars.
4 Use “ Frequency ” to make an adjustment.
4 Check and reconfigure the display mode of the vertical refresh
rate of your graphic card to make it compatible with the LCD display.
Problem: Image is unstable and flickering
4 Use “ Tracking ” to make an adjustment.
Problem: Image is scrolling
4
Check and make sure the VGA signal cable (or adapter) is well connected.
4
Check and reconfigure the display mode of the vertical refresh rate of your
graphic card to make it compatible with the LCD display.
Problem: Vague image (characters and graphics)
4
Use “ Frequency ” to make an adjustment. If this problem still exists, use
“Tracking” to make an adjustment.
Problem: Pen does not have the response or the response is not
good.
4 Check if the battery is working.
4 Check and make sure the USB signal cable (or adapter) is well connected.
4 Replug the USB signal cable.
Problem: Pen-Input water leakage
4 Redetects the frequency of Pen:
(1) Open "Control Panel" of the system and double click "USB Tablet" icon.
(2) Select the item of "buttons" and disable "Auto Setting".
(3) Click "adjust" button,when the pen tip pressure is detected completly, click
"OK" button.
(4)
Enable to "Auto Setting", Click "OK" button.
(5) Replug the USB signal cable.
Appendix