Dell Projector 7700 User Manual
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Specifications111 NOTE: The lamp life rating for any projector is a measure of brightness degradation only, and is not a specification for the time it takes a lamp to fail and cease light output. Lamp life is defined as the time it takes for more than 50 percent of a lamp sample population to have brightness decrease by approximately 50 percent of the rated lumens for the specified lamp. The lamp life rating is not guaranteed in any way. The actual operating life span of a projector lamp will vary...
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112Specifications RS232 Pin Assignment RS232 Protocol • Communication Settings • Command types To pop up the OSD menu and adjust the settings. • Control command Syntax (From PC to Projector) [H][AC][SoP][CRC][ID][SoM][COMMAND] •Example: Power ON Command (Send low byte firstly) --> 0xBE, 0xEF, 0x10, 0x05, 0x00, 0xC6, 0xFF, 0x11, 0x11, 0x01, 0x00, 0x01 •Control Commands List To view the latest RS232 code, go to the Dell Support site at: support.dell.com. Connection settingsVa l u e Baud Rate 19,200...
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Specifications113 PIP Combination Sources HDMI-A HDMI-B VGA-A VGA-B Component HDMI-A No No Yes Yes Yes HDMI-B No No Yes Yes Yes VGA-A Yes Yes No No No VGA-B Yes Yes No No No Component Yes Yes No No No S-Video Yes Yes No No No Composite Yes Yes No No No Wireless Display No No Yes Yes Yes USB Display No No Yes Yes Yes USB Viewer No No Yes Yes Yes S-Video Composite Wireless DisplayUSB DisplayUSB Viewer HDMI-A Yes Yes No No No HDMI-B Yes Yes No No No VGA-A No No Yes Yes Yes VGA-B No No Yes Yes Yes...
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114Specifications Compatibility Modes (Analog/Digital) ResolutionRefresh Rate (Hz)Hsync Frequency (KHz)Pixel Clock (MHz) 640 x 350 70.08731.46925.175 640 x 480 59.94031.46925.175 640 x 480 p60 59.940 31.469 25.175 720 x 480 p60 59.940 31.469 27.000 720 x 576 p50 50.000 31.250 27.000 720 x 400 70.08731.46928.322 640 x 480 75.00037.50031.500 848 x 48060.00031.02033.750 640 x 480 85.00843.26936.000 800 x 600 60.31737.87940.000 800 x 600 75.00046.87549.500 800 x 600 85.06153.67456.250...
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Contacting Dell115 Contacting Dell For customers in the United States, call 800-WWW-DELL (800-999- 3355). NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell™ provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer...
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116Glossary Appendix: Glossary ANSI LUMENS — A standard for measuring the brightness. It is calculated by dividing a square meter image into nine equal rectangles, measuring the lux (or brightness) reading at the center of each rectangle, and averaging these nine points. A SPECT RATIO — The most popular aspect ratio is 4:3 (4 by 3). Early television and computer video formats are in a 4:3 aspect ratio, which means that the width of the image is 4/3 times the height. Brightness — The amount of light...
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Glossary117 dB — decibel — A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels. Diagonal Screen — A method of measuring the size of a screen or a projected image. It measures from one corner to the opposite corner. A 9 ft high and 12 ft wide, screen has a diagonal of 15 ft. This document assumes that the diagonal dimensions are for the traditional 4:3 ratio of a...
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118Glossary Minimum Distance — The closest position that a projector can focus an image onto a screen. NTSC — National Television Standards Committee. North American standard for video and broadcasting, with a video format of 525 lines at 30 frames per second. PAL — Phase Alternating Line. A European broadcast standard for video and broadcasting, with a video format of 625 lines at 25 frames per second. Reverse Image — Feature that allows you to flip the image horizontally. When used in a normal...
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Glossary119 the project from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a 10 foot image without zoom would be a 14 foot image with full zoom.
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120Index Index A Adjusting the Projected Image 26 Elevator button 26 lower the projector Elevator foot 26 Tilt adjustment wheel 26 Lowering the Projector Height 26 Raising the Projector Height 26 Adjusting the Projector Zoom and Focus 27 Focus ring 27 Horizontal lens shift knob 27 Lens shift lock 27 Side door 27 Vertical lens shift knob 27 Zoom ring 27 C Changing the Lamp 106 Connecting the Projector 12 V DC Plug 23 3 RCA to 3 RCA Component Video (Male to Male) cable 20 Composite Video...