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Projector Support/FAQs
Contact VRex
Upgrades

Product Information
VR-4200 3D Projector
VR-3100 3D Projector

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4200 FAQ’s/Troubleshooting / 3100 FAQ’s/Troubleshooting
This section helps you resolve problems you may encounter while setting up
or using the VR 4200 3D projector.
What computer platform is compatible with the VR-4200?
- The VR-4200 works with most standard platforms including, Windows
NT (standard PC),Sun, HP Unix, SGI.
What software application is compatible with the VR-4200?
- Off the shelf software applications are not compatible. To use the VR-4200 you must
works with your own programming (graphic library renders) because the VR-4200 requires
that you convert your images into a column interleaved format. This format was designed
speficially for the VR-4200.
What format are your images in?
- Column interleaved. The reason for this format is because VRex invented a solution
for the DLP™ single chip.
What is the aspect?
Can we remote control the projector?
What is the frequency of signal from the PC?
- The signal can range from 60hz to 80hz (standard xga with column interleave format)
What is the frequency of the adapter?
- The adapter frequency is 120hz
When using the VR-3100 converter box with the VR-4200 projector the images are not clear
- They are different converter boxes for each projector. You cannot use a VR-3100 converter box with the VR-4200 projector.
Can you use Crystal Eyes with the projector?
- Yes, if your content is formatted in the column interleaved format, just plug in the 3 pin emittor into the projector. The VR-4200 works with the CrystalEyes eyewear only, not the applications.
The shutter glasses are not working properly.
- The VR-4200 can be used with the infrared shutter glass conversion kit (sold separately).
- Make sure that the shutter glasses are turned on
- Make sure there is a clear line from where you are standing to the infrared device
Correcting Pseudo-Stereo in Computer Mode
If the software being used to display 3D images on the computer does not have a field swap or pseudo-stereo feature built-in, it is possible to make this adjustment on the projector itself by shifting the image by one column using the horizontal image control on the projector unit.
- Press the menu button on the projection unit.
- Use the up and down arrows to select the Image Adj menu and press the Enter button.
- Use the up and down arrows to select the Auto Mode menu and press the Enter button.
- Use the right and left arrows to adjust the horizontal position of the image until the project image is in proper stereo. Note that as the image is moved to the left or right, it will flip back and forth between stereo and pseudo-stereo.
VR 3100 FAQ’s/Troubleshooting
If you are experiencing trouble with the projection display,
refer to the following. If the problem persists, please contact us.
No image appears on the screen
- Press Power On/Standby button
- Ensure all the cables and power connections are correctly and securely connected as described in the Installation section of your owner’s manual
- Ensure the pins of connectors are not crooked or broken
- Check if the projection lamp has securely installed. Please refer to the Changing the lamp section in your owner’s manual
- Ensure the cooling fan is on. If not, you may need to change the fuse. Please refer to the Changing the Fuse section in your owner’s manual
- Ensure that 3D Format Converter is on
Partial, scrolling or incorrectly displayed imaged
If you are using a PC:
Resolution of your computer is higher than 1024 x 768. Follow the steps outlined below to reset the resolution.
For Windows 3.x
- In the Windows Program Manager, click the Windows Setup icon in the Main group.
- Verify that your Display resolution setting is less than or equal to 1024 x 768
For Windows 95
- Open My Computer icon, the Control Panel folder, and then double click the Display
- Select the setting tab
- In the Desktop Area you will find the resolution setting. Verify
that the resolution is less than or equal to 1024 x 768 resolution.
If the projection display is still not projecting the whole image,
you will need to also change the monitor display you are using.
Refer to the following steps.
- Follow the above steps 1-2. Click on the Change Display Type button.
- Select the Change button under the Monitor Type box.
- Under Manufacturers, select Standard monitor types.
- Verify that the resolution setting of the monitor display is less than or equal to 1024 x 768
If you are using a Notebook PC
- You are required to implement above steps of resolution setting of computer first.
- Switch the Notebook PC display to the external display only or CRT only mode.
If you are using an Apple Macintosh or Apple PowerBook:
- Insert a Mac signal adapter and change the mode into Macintosh 13 of 640 x 480 resolution.
- Change the adapter into VGA mode for IBM PC 640 x 480, 800 x 600, or 1024 x 768 display settings.
If you are experiencing difficulty in changing resolutions or your monitor freezes, restart all the equipment and the projection display.
The screen of the Notebook or Powerbook computer is not displaying your presentation.
- If you are using Notebook PC: Some Notebook PC’s may deactivate their own computers’ screens when a second display device is in use. Each of them has a different way to be reactivated. Refer to your computer’s documentation for detailed information.
- If you are using and Apple Powerbook: In control Panels, open the PowerBook Display to select Video Mirroring OnVrEx.01.
Image is unstable or flickering
- Use Tracking to correct it
- Change the monitor color setting from your computer
Image has vertical flickering bar.
- Use Frequency to make an adjustment.
- Check and reconfigure the display mode of your graphic card to make it compatible with the product.
When viewing 3D stereoscopic images, I see a double image in both eyes.
- Make sure that your 3D video input is connected to the 3D Format Converter
- Make sure that your 3D computer images are in the line-alternative format
- Make sure that the 3D Format Converter is in 3D mode. The 3D button light must be on to view in 3D video.
- Try toggling the SWAP ODD/EVEN option
- A polarization reserving (silver) screen must be used. Standard matte screens are not usable for 3D images.
- The 3D VRex polarized glasses must be worn.
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