Vivitek Projector DH91x Series User Manual
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— 52 — TROUBLESHOOTING Common problems and solutions These guidelines provide tips to deal with problems you may encounter while using the projector. If the problem remains unsolved, contact your dealer for assistance. Often after time spent troubleshooting, the problem is traced to something as simple as a loose connection. Check the following before proceeding to the problem-specific solutions. Use some other electrical device to confirm that the electrical outlet is working. Ensure the...
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– 53 – LED Error Messages ERROR CODE MESSAGES POWER LED GREEN LAMP LED RED TEMP LED RED Lamp Ready ON OFF OFF Start Flashing OFF OFF Cooling Flashing OFF OFF Over Temperature OFF OFF ON T1 error 3 blinks 1 blinks OFF Thermal Break Sensor error 4 blinks OFF OFF G794 error 4 blinks 4 blinks OFF Lamp fail 5 blinks OFF OFF Ballast temp over 5 blinks 1 blinks OFF Ballast circuit short 5 blinks 2 blinks OFF Lamp End of lamp life detected 5 blinks 3 blinks OFF Lamp did not ignite 5 blinks 4...
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— 54 — Problem: The image is blurred 1. Adjust the Focus on the projector. 2. Press the Auto button on the remote control. 3. Ensure the projector-to-screen distance is within the specified range. 4. Check that the projector lens is clean. Problem: The image is wider at the top or bottom (trapezoid effect) 1. Position the projector so it is as perpendicular to the screen as possible. 2. Use the Keystone button on the remote control to correct the problem. Problem: The image is reversed...
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– 55 – Audio Problems Problem: There is no sound 1. Adjust the volume on the remote control. 2. Adjust the volume of the audio source. 3. Check the audio cable connection. 4. Test the source audio output with other speakers. 5. Have the projector serviced. Problem: The sound is distorted 1. Check the audio cable connection. 2. Test the source audio output with other speakers. 3. Have the projector serviced. Having the Projector Serviced If you are unable to solve the problem, you should...
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— 56 — HDMI Q & A Q. What is the difference between a “Standard” HDMI cable and a “High-Speed” HDMI cable? Recently, HDMI Licensing, LLC announced that cables would be tested as Standard or High- Speed cables. ˙Standard (or “category 1”) HDMI cables have been tested to perform at speeds of 75Mhz or up to 2.25Gbps, which is the equivalent of a 720p/1080i signal. ˙High Speed (or “category 2”) HDMI cables have been tested to perform at speeds of 340Mhz or up to 10.2Gbps, which is the highest...
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– 57 – SPECIFICATIONS Specifications Model DH912 DH913 Display type TI DMD 0.65 1080p Resolution 1080p 1920x1080 Projection distance 1m~ 10m (3.29ft ~ 32.8ft) 1.2m~10m (3.94ft~32.8ft) Projection screen size 23.5 ~ 300 25.9”~324.97” Projection lens Manual Focus/Manual Zoom Zoom ratio 1.2x 1.5x Vertical keystone correction +/- 40 Degree Projection methods Front, Rear, Desktop/Ceiling (Rear, Front) Data compatibility VGA, SVGA, XGA, SXGA, SXGA+, UXGA, WUXGA@60hz, Mac SDTV/EDTV/ HDTV 480i,...
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— 58 — Projection Distance vs. Projection Size (DH912) Projection Distance and Size Table DH912 IMAGE DIAGONAL IMAGE WIDTH IMAGE HIGHT PROJECTION DISTANCE FROM PROJECTION DISTANCE TO OFFSET-A (INCH) (INCH) (CM) (INCH) (CM) (INCH) (CM) (INCH) (CM) (MM) 60 52.3 132.8 29.4 74.7 82.6 209.9 100.4 255 112.1 70 61 154.9 34.3 87.1 96.4 244.9 117.1 297.5 130.8 72 62.8 159.5 35.3 89.7 99.1 251.8 120.5 306 134.5 80 69.7 177 39.2 99.6 110.2 279.8 133.9 340 149.4 84 73.2 185.9 41.2 104.6 115.7...
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– 59 – Projection Distance vs. Projection Size (DH913) Projection Distance and Size Table DH913 IMAGE DIAGONAL IMAGE WIDTH IMAGE HIGHT PROJECTION DISTANCE FROM PROJECTION DISTANCE TO OFFSET-A (INCH) (INCH) (CM) (INCH) (CM) (INCH) (CM) (INCH) (CM) (MM) 60 52.3 132.8 29.4 74.7 72.7 184.6 109.3 277.6 112.1 70 61.0 155.0 34.3 87.2 84.8 215.4 127.5 323.9 130.8 72 62.8 159.4 35.3 89.7 87.2 221.6 131.2 333.1 134.5 80 69.7 177.1 39.2 99.6 96.9 246.2 145.7...
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— 60 — Timing Mode Table SIGNAL RESOLUTION H-SYNC ( KHZ ) V-SYNC ( HZ ) COMPOSITE S_VIDEO COMPONENT RGB (ANALOG) DP/HDMI (DIGITAL) NTSC － 15.734 60 ○ － － － PAL/SECAM － 15.625 50 ○ － － － VESA 720 x 400 31.5 70.1 － － ○ ○ 720 x 400 37.9 85.04 － － ○ ○ 640 x 480 31.5 60 － － ○ ○ 640 x 480 37.9 72.8 － － ○ ○ 640 x 480 37.5 75 － － ○ ○ 640 x 480 43.3 85 － － ○ ○ 800 x 600 35.2 56.3 － － ○ ○ 800 x 600 37.9 60.3 － － ○ ○ 800 x 600 46.9 75 － － ○ ○ 800 x 600 48.1 72.2 － － ○ ○ 800 x 600 53.7 85.1...
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– 61 – SIGNAL RESOLUTION H-SYNC ( KHZ ) V-SYNC ( HZ ) COMPOSITE S_VIDEO COMPONENT RGB (ANALOG) DP/HDMI (DIGITAL) 1440 x 900 70.6 75 － － ○ ○ 1600 x1200 75 60 － － ○ ○ 1680 x 1050 64.7 59.9 － － ○ ○ 1680 x 1050 65.3 60 － － ○ ○ 1920 x 1200 74 60 － － ○ ○ 1920 x 1080 67.5 60 － － ○ ○ Apple Macintosh 640 x 480 35 66.7 － － ○ ○ 832 x 624 49.7 74.5 － － ○ ○ 1024 x 768 60.2 74.9 － － ○ ○ 1152 x 870 68.7 75.1 － － ○ ○ SDTV 480i 15.734 60 － ○ － ○ 576i 15.625 50 － ○ － ○ EDTV 576p 31.3 50 － ○ － ○...