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2. The Size and Position options may be adjusted poorly for the incoming source
signal. See 3.6, Adjusting the Image.
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1. The operating temperature of the projector may be fluctuating. Watch that the
projector is not located too close to heating/air conditioning vents.
2. The source input signal may be of low quality.
3. The horizontal or vertical frequency of the input may have changed at the source
end.
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1. You may have accidentally entered a special engineering code using the
in combination with certain numbers , or you may have selected the "Freeze
Image" option. Press
presentation level.
2. If the screen blacks out inexplicably, it is possible that excessive voltage noise on
the AC or ground input has interrupted the projector's ability to lock on to a
signal. Turn the projector off, wait for the lamp fans to stop, and unplug. Plug in
again and power up as usual.
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1. More display adjustment may be required–check focus, brightness, contrast, pixel
tracking, pixel phase, and detail.
2. If you are using a BNC T-connector, try using a distribution amplifier to boost
signal levels.
3. Is the video input signal properly terminated? Set in Preferences menu.
4. The screen size may be too large. As screen size increases, magnification
increases, reducing brightness and clarity. See lens specifications in Section 5.
5. The source input signal may be of low quality. Try another source.
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1. Color, tint, gamma, color space and/or color temperature settings may require
adjustment. Review all settings, and refer to 3.6, Adjusting the Image and 3.7,
Adjusting System Parameters and Advanced Controls.
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1. Check leveling of the projector. If necessary, try relocating the projector or
screen so that the lens surface and screen are approximately parallel.
2. Is the vertical offset set correctly? Adjust as necessary (press
3. The "Keystone" and/or "Vertical Stretch" options may need adjustment. Also
check pixel tracking.
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1. Display adjustment may be required. Adjust pixel tracking, phase and filter.
2. If video, make sure the video input is terminated (75
connection in a loop-through chain, the video input should be terminated at the
last projector only.
3. The input signal may be of poor quality.
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