DVI-DUser FiberGuide Optic Cable DVI to VGA Scaler/Converter DVI-3120a
Table of Contents Section Page 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.0 Checking Package Contents. . . . . . . . . . . . . . . . . . . . . . . . . 4 4.0 Connecting the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5.0 Operating The Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6.0 Troubleshooting. . . . .
1.0 INTRODUCTION Thank you for purchasing this DVI-3120a DVI to VGA Converter/Scaler from DVIGear. The DVI-3120a is designed to convert digital DVI input signals to analog RGB (VGA) output signals. Our professional video conversion products have been serving the industry for several years. DVIGear offers a full line of high quality Video Scalers, Scan Converters, Analog-Digital Converters and DVI/HDMI Converters, as well as Signal Switchers and Distribution Amplifiers. 1.
1.3 Getting the Best Results There are many factors affecting the quality of results when scaling video signals. Some basic precautions will ensure the best possible performance from your Video Scaler. Output Display Device – The quality of the output signal will depend largely upon the type and quality of display device used. For instance, some video projectors just look better than others.
2.0 SPECIFICATIONS Input Signal Specifications: Input Format Digital RGBHV, YPbPr or YCbCr Input Signal Digital RGB Data Bitstream Output Format Analog RGBHV, YPbPr Output Signal RGBHV: 0.7 V p-p, 75Ω , H/V: 3 to 5 p-p TTL, Y: 1 V p-p 75Ω, Pb/Cb, Pr/Cr: 0.
3.0 CHECKING PACKAGE CONTENTS Before attempting to use this unit, please check the packaging and make certain the following items are contained in the shipping carton: • • • • DVI-3120a DVI to VGA Scaler/Converter 100-240VAC AC/DC Power Adapter User Guide User Guide Note: Please retain the original packing material should the need ever arise to return the unit. If you find any items are missing, contact your reseller or DVIGear immediately.
4.3 Connecting Power to the Unit This unit is shipped with an Plug-In Power Adapter that converts 100~240VAC@ 50-60Hz to 5VDC. Connect the DC Output Cord from the Power Adapter to the back of the unit and then plug the Power Adapter into an AC power receptacle. When AC power is applied in this fashion, the Power LED indicator will illuminate. 5.0 OPERATING THE UNIT The Scaler is controlled via three buttons with status indicated by an On Screen Display.
5.1 OSD Menus If you select the first item on the main menu, Input Set up, a secondary menu will show the following items: 5.1.1 Input set up – When it is selected, a simple, two-selection sub menu will appear. This menu allows you to manually select the type of input you are feeding to the scaler. You can select either YPbPr or RGB as the input type. Selecting the wrong type of input will cause unpredictable results on the output.
5.1.4 Menu Ranges and Defaults The adjustment range and factory preset value as follows: Value Contrast Bright Color Range 0~255 0~255 0~255 Default Value 047 102 064 Note: Select reset to reset all adjustment back to the factory preset value. HV adjust - When selected, the following sub-menu appears. H-position 64 V-position 42 Use the + and – buttons to adjust the best horizontal and vertical position of the picture.
7.0 LIMITED WARRANTY LIMITED WARRANTY – With the exceptions noted in the next paragraph, DVIGear, Inc. warrants the original purchaser that the equipment it manufactures or sells will be free from defects in materials and workmanship for a period of three years from the date of purchase. Should this product, in DVIGear’s opinion, prove defective within this warranty period, DVIGear, at its option, will repair or replace this product without charge.
Your Digital Connectivity Experts Toll Free 888.463.9927 Phone 770.421.6699 Toll Free 888.463.9927 Fax 770.234.4207 Phone 919.969.6681 Fax 919.869.1310 DVIGear, Inc. 1059 Triad Court, Suite 8 400 Meadowmont Village Circle Marietta, Georgia 30062-2258 Suite 425 Chapel Hill, NC 27517 www.dvigear.com www.dvigear.com DVI-3120a-UG-02 / Dec.