Ask Proxima C420 User Manual

ASK Proxima C410 and C420 (DP8200x) Projectors Frequently Asked Questions: Computer

What resolutions is the projector capable of displaying?

VGA, SVGA, XGA, SXGA, SXGA+. This projector has a native resolution of XGA. For best results, adjust your computer resolution to XGA (1024 x 768).

The projected image reverts to the logo or to a blank screen during periods of computer inactivity. Or the lamp goes out after a period of time.

This may be caused by a power saving utility on the computer that disables the video output signal after a specified period of inactivity. Disable all power saving programs and screen savers on the computer to prevent signal interruption. Refer to the computer documentation to disable power saving utilities.

If you have disabled the computer power savers and screen savers, and the issue persists, it may be due to a setting in the projector. The projector automatically displays a black screen after no active source is detected for 30 minutes. This black screen helps preserve the life of the projector. The image returns when an active source is detected or a remote or keypad button is pressed.

Screen Save

You can make the black screen appear after five minutes by turning on Screen Save in the Settings > System menu. There are six time options for the Screen Save feature. They range from five minutes to 30 minutes in five-minute intervals.

Power Save

The projector also has a Power Save feature that automatically turns the lamp off after no signal is detected for 20 minutes. After 10 additional minutes with no signal, the projector powers down. If an active signal is received before the projector powers down, the image is displayed. You must press the Power button to display an image after 30 minutes have passed. When Power Save is enabled, Screen Save is disabled.

The image appears to be stretched vertically or horizontally.

The Aspect Ratio is set to 16:9 instead of Native or 4:3, which is required for computer images. To change the aspect ratio, press the Menu button on the keypad, then go to Main > Picture > Aspect Ratio. Select Native or 4:3.

The default setting is Native, which allows the projector to adjust to incoming signals automatically. Setting the aspect ratio at 4:3 or 16:9 forces all incoming images to that ratio.

I am playing a DVD on my laptop, but the projector displays a blank screen.

If the DVD plays satisfactorily on your laptop, you should be able watch it with the projector. However, some laptops do not have the resources to play the movie on both its own screen and through the projector. When this happens, you will probably just see a blank screen. To solve this issue, press and hold the FN key on the laptop, then press the appropriate function key (F1, F2, F3, etc.). The function key should be labeled “LCD/CRT” or will have a monitor icon on it. You may need to press the function key a couple times. When you do this, you cycle through three settings: the image only on the laptop, the image on both the laptop and projector, and the image only on the projector. You want to set it so the movie appears only on the screen.

The LED on the projector keypad has changed. No image is projected. What is wrong?

The projector has an LED next to the Power button. It shines green or red, depending on the state of the projector. The LED can help you troubleshoot projector problems. The LED Error Code Guide is available for download from the ASK Proxima website.

The projector does not display the computer image.

1. Press the Computer button on the projector keypad or the remote to select the active computer source. You may need to press it several times.

2. If you're using a laptop, try activating the computer's external video port with special keystrokes. Press and hold the FN key on the laptop and then press the appropriate function key (F1, F2, F3, etc.) that's marked LCD/CRT or marked with a picture of a monitor. (Refer to the Laptop Activation Chart on the ASK Proxima website, or your laptop documentation for further video port activation instructions.)

You may need to press the Function key more than once. Many laptops cycle through a series of configurations at each key press, including image on the screen, but not on the laptop, image on both the screen and laptop, image on laptop only. Be sure to wait five seconds or so after pressing the function key. Sometimes it takes the projector a few seconds to communicate with the laptop.

3. Make sure the cable between the computer and projector are plugged into the proper connectors. A VGA cable must be plugged into the two VESA connectors. The DVI cable must be connected to the M1-D connector. Make sure the other end of the cable connects to the either the DVI or the Monitor connector on the computer.

4. Verify that the power cable is connected to the projector and that the LED on the keypad is green. LED is not a steady green.

5. Does the logo screen appear? Refer to the C410-C420 Lamp FAQ if you do not see an image.

6. Restart both the computer and projector. Turn on the projector first, then the computer.

If the above steps do not solve your issue, contact ASK Proxima technical support.

The image is not perfectly rectangular. ("Keystoning")

When a projected image is wider at the top or the bottom, or taller on the right or left side, we say that the image is 'keystoned'. Keystoning happens when your projector is not perpendicular to the screen, either in the vertical plane or the horizontal plane.

Vertical keystoning

If you use the elevator to tilt the front of the projector up so you can get the image higher on the wall, the image will suffer from vertical keystoning. Likewise, if you mount the projector on the ceiling and need to tilt it to get the image on the screen, you'll also get a keystoned image.

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