Vivitek Projector DH833 User Manual
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— 52 — Using the Kensington Lock Using the Kensington Lock If you are concerned about security, attach the projector to a permanent object with the Kensington slot and a security cable. Note: Contact your vendor for details on purchasing a suitable Kensington security cable. The security lock corresponds to Kensington’s MicroSaver Security System. If you have any comment, contact: Kensington, 2853 Campus Drive, San Mateo, CA 94403, U.S.A. Tel: 800-535- 4242, http://www.Kensington.com....
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– 53 – 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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— 54 — LED Error Messages ERROR CODE MESSAGES POWER LED GREEN LAMP LED RED TEMP LED RED System Initial Flash OFF OFF Ready to Power on (Standby) ON OFF OFF System Power on Flash OFF OFF Lamp Lit , System stable ON OFF OFF Cooling Flashing OFF OFF 1W MCU detects scaler stops working (initial fail) 2 blinks OFF OFF Over Temperature OFF OFF ON Thermal Break Sensor error 4 blinks OFF OFF Lamp Fail 5 blinks 0 blinks OFF Lamp Temperature shut down 5 blinks 1 blinks OFF Lamp Short circuit in...
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– 55 – 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 Check the Projection setting on the Settings 1 menu of the OSD. Problem: The image is streaked 1. Set the Frequency and Tracking settings on the Image->Computer menu of the OSD to the default settings. 2. To ensure the problem is not...
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— 56 — 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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– 57 – 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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— 58 — SPECIFICATIONS Specifications Model DH833 Display type TI DMD 0.65” 1080P Resolution 1080P 1920 x 1080 Projection distance 1m~10m Projection screen size 25.9~324.9 Projection lens Manual Focus/Manual Zoom Zoom ratio 1.5x Vertical keystone correction +/- 40 Degrees Projection methods Front, Rear, Desktop/Ceiling (Rear, Front) Data compatibility VGA, SVGA, XGA, SXGA, SXGA+, UXGA, WUXGA@60hz, Mac SDTV/EDTV/ HDTV 480i, 576i, 480p, 576p, 720p, 1080i, 1080p Video compatibility NTSC, PAL,...
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– 59 –
Projection Distance vs. Projection Size
Projection Distance and Size Table
DH833
IMAGE DIAGONAL IMAGE WIDTH IMAGE HEIGHT PROJECTION DISTANCE OFFSET-A
INCH CM INCH CM INCH CM INCH MM
60 129.2 50.9 80.8 31.8 236.5 93.1 120
70 150.8 59.4 94.2 37.1 275.9 108.6 141
72 155.1 61.1 96.9 38.2 283.8 111.7 145
80 172.3 67.8 107.7 42.4 315.3 124.1 161
84 180.9 71.2 113.1 44.5 331.1 130.4 169
90 193.9 76.3 121.2 47.7 354.7 139.7 181
96 206.8 81.4 129.2 50.9 378.4 149.0 193
100...
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— 60 — Timing Mode Table SIGNAL RESOLUTION H-SYNC (KHZ) V-SYNC (HZ) COMPOSITE / S-VIDEO COMPONENT RGB DVI/ HDMI NTSC － 15.734 60.0 ○ － － － PAL/SECAM － 15.625 50.0 ○ － － － VESA 640 X 400 37.9 85.08 － － ○ ○ 720 X 400 31.5 70.1 － － ○ ○ 720 X 400 37.9 85.04 － － ○ ○ 640 X 480 31.5 60.0 － － ○ ○ 640 X 480 37.9 72.8 － － ○ ○ 640 X 480 37.5 75.0 － － ○ ○ 640 X 480 43.3 85.0 － － ○ ○ 800 X 600 35.2 56.3 － － ○ ○ 800 X 600 37.9 60.3 － － ○ ○ 800 X 600 46.9 75.0 － － ○ ○ 800 X 600 48.1 72.2 － － ○ ○...
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– 61 – SIGNAL RESOLUTION H-SYNC (KHZ) V-SYNC (HZ) COMPOSITE / S-VIDEO COMPONENT RGB DVI/ HDMI 1280 X 960 60.0 60.0 － － ○ ○ 1280 X 960 85.9 85.0 － － ○ ○ 1360 X 768 47.7 60.0 － － ○ ○ 1400 X 1050 65.3 60.0 － － ○ ○ 1440 X 900 55.5 59.9 － － ○ ○ 1440 X 900 55.9 59.9 － － ○ ○ 1440 X 900 70.6 75.0 － － ○ ○ 1600 X1200 75.0 60 － － ○ ○ 1680 X 1050 64.7 59.9 － － ○ ○ 1680 X 1050 65.3 60.0 － － ○ ○ 1920 X 1200 74.0 60.0 － － ○ ○ 1920 X 1080 67.5 60.0 － － ○ ○ APPLE MACINTOSH 640 X 480 35.0 66.7 － － ○...