StarTech.com DVI2VGA User manual

Video Scaler/Converter
DVI2VGA Instruction Manual
DVI to VGA Video Scaler Converter

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This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
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This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only and
do not represent an endorsement of a product or service by StarTech.com, or an
endorsement of the product(s) to which this manual applies by the third-party company in
question. Regardless of any direct acknowledgement elsewhere in the body of this
document, StarTech.com hereby acknowledges that all trademarks, registered
trademarks, service marks, and other protected names and/or symbols contained in this
manual and related documents are the property of their respective holders.

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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Connecting Devices to the Scaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Using the Video Scaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Accessory Products from StarTech.com . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Instruction Manual
i

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Thank you for purchasing a StarTech.com video scaler. This product allows you to
convert between DVI and VGA video formats and resolutions. The input resolution is
automatically detected while the output resolution and refresh rate can be selected
through an on-screen menu with the buttons located on the front of the panel.
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• Converts DVI-D video input to Analog RGBHV or YPbPr output. A DVI source can be
displayed onto a VGA or HDTV display using a VGA connector or component RCA
connectors
• 48MB frame memory for frame rate conversion
• On-screen display allowing adjustments to brightness, contrast, color and
Horizontal/Vertical positioning
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System Requirements
• A DVI video source
• A display capable of using a RGBHV or YPbPr signal (15-pin connector)
• Cables necessary to make connections between input, scaler and VGA/HD display
Contents
• 1 x DVI Cable
• 1 x 5V DC 2Amp Power Adapter
• 1 x User Manual
Instruction Manual
1

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These instructions assume that the display has at least one available input that uses
either VGA Video or YPbPr, and that all the devices have their cables attached. You may
need to disconnect an existing device from the display to make an input available and re-
connect that device using the video scaler.
Connecting Devices to the Scaler
1. Place the scaler near the display and the devices you wish to use with the scaler.
2. Using the PC/HD Output port on the front of the scaler, onnect the input device (i.e. a
DVD player, satellite receiver) to the connector labeled DVI Input on the back of the
video scaler.
3. Connect the scaler to the display device. If you require a VGA resolution output, use a
15-pin D-Sub VGA cable to connect the VGA input on the display to the PC/HD output
on the scaler. If you require an HDTV resolution output, use a 15-pin D-sub to YPbPr/
RCA adaptor cable to connect the PC/HDTV output to the YPbPr input of an HDTV
device.
4. Connect the power adapter (provided) to the port marked DC 5V on the back of the
video scaler. Connect the opposite end to a wall outlet or other suitable power source.
The light on the back of the scaler will illuminate, once the unit is powered.
The DVI to VGA scaler is now ready to use.
Instruction Manual
2
Front
Back

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Once you have connected the desired input and output devices to the video scaler, you
can proceed to test the connection to the television or other display. Turn on the display,
and select the input to which you connected the video switch. Consult the
documentation for your display if you are unsure on how to select A/V inputs. Usually,
there will be a button on the display’s remote or front panel labeled INPUT or A/V. If the
display has multiple inputs, you will need to ensure the input you have selected
corresponds to the connectors on the television you used for the scaler. Power on the
devices you connected to the video scaler. Pressing the MENU button will bring up the
on-screen display controls on the screen as follows:
Using the +or - buttons, move the cursor to your desired selection, then press Menu to
confirm your selection and enter the corresponding sub-menu.
Input set up
When selected, a sub-menu for choosing either YPbPr or RGB as your input signal will
appear. Using the + or -buttons on the front of the scaler, select the signal format that
matches the format of your input. Pressing Menu will save your selection and exit this
sub-menu.
Output set up
When selected, a sub-menu will appear giving you options as to the desired refresh rate
and resolution. Use the + or - buttons to choose the correct resolution/refresh rate.
Pressing Menu will save your selection and return you to the main menu.
Picture Adjust
This sub-menu allows you to adjust the contrast, brightness and color of the displayed
image. Using the + and - buttons, select the attribute you wish to change, and use the
Menu button to confirm your selection. Use the + or -buttons to increase or decrease
the amount of the element you are modifying, followed by the Menu button to save.
Repeat this procedure for each element as desired. Once you have made the necessary
adjustments, use the + or -button to navigate to the Exit, which will take you back to the
main menu. NOTE: using the Reset feature will return all adjustments back to the factory
reset values.
HV Adjust
When chosen, a sub-menu will appear, allowing you to adjust the best horizontal and
vertical position of the picture, using the + or -buttons.
OSD Adjust
Allows you to adjust the horizontal and vertical position of the on-screen menu.
Instruction Manual
3
Input Setup
Output Setup
Picture Adjust
HV Adjust
OSD Adjust
System Information
Auto Adjust
Exit

Instruction Manual
4
System Information
Displays the current software version as well as the input and output resolutions and the
corresponding refresh rates.
Auto Adjust
When chosen, the scaler will automatically adjust all parameters to the factory preset
values.
Exit
When selected, exits the on-screen display

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Input Resolutions:
Output Resolutions:
Input Format: Digital RGBHV, YPbPr or YCbCr
Input Signal: Digital RGB data bitstream
Input Connector: 24-pin DVI-D connector
Output Format: Analog RGBHV, YPbPr
Output Signal: RGB: 0.7Vp-p, 75 ohm H/V: 3 to 5 Vp-p TTL
Output Connector: HD 15-pin female
Power: 5V 2A center-positive
Instruction Manual
5
Digital PC (RGBHV) HDTV (YCbCr, YPbPr, RGBHV)
VGA
VESA85
VGA70
SVGA
XGA
Mac
WXGA
1280A
SXGA
640x480@85Hz
640x400@85Hz
720x400@70Hz
800x600@60/72/75/85Hz
1024x768@60/70/75/85Hz
1152x864@70/75Hz
1280x768@60Hz
1280x960@60Hz
1280x1024@60Hz
1080i
720p
576p
480p
576i
480i
1920x1080@60Hz
1280x720@60Hz
720x576@50Hz
720x480@60Hz
720x576@50Hz
720x480@60Hz
VGA
VESA85
VGA70
SVGA
XGA
Mac
WXGA
1280A
SXGA
640x480@60/72/75/85Hz
640x400@85Hz
720x400@70Hz
800x600@60/72/75/85Hz
1024x768@60/70/75/85Hz
1152x864@70/75Hz
1280x768@60Hz
1280x960@60Hz
1280x1024@60/75Hz
1080i
720p
576p
480p
1920x1080@60Hz
1280x720@60Hz
720x576@50Hz
720x480@60Hz
Analog PC (RGBHV) HDTV (YCbCr, YPbPr, RGBHV)

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If you’re having difficulty using the video scaler, try the following solutions based on the
nature of the problem.
No image is being shown on the display.
1) Ensure the video scaler is plugged in and receiving power. One LED indicator on the
front panel will be lit when the switch is receiving power.
2) Try selecting another input on the display and verify which input the scaler is
connected to. Most displays will have their A/V inputs marked with a number, so
ensure the input selected on the screen matches the physical connection between the
scaler and the display.
3) Verify cable connections between the input device, video scaler and display are snug.
Video quality is poor.
1) Verify cable connections between the input device, video scaler and display are snug.
2) Using lengthy cables may cause signal degradation. Try to locate the scaler as close
to the input device and display, as possible.
3) Enter the Picture Adjust sub-menu, ensure that Contrast, Brightness and Color are
set appropriately.
Instruction Manual
6

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Contact your local StarTech.com dealer or visit www.startech.com for cables or other
accessories that will help you get the best performance out of your new product.
MXT101
6 ft. VGA Monitor Extension Cable
MXT105
15 ft. VGA Monitor Extension Cable
ZENDVI1
Cable ZEN 3.3 ft (1m) DVI Digital Video Cable
ZENDVI2
Cable ZEN 6.6 ft (2m) DVI Digital Video Cable
ZENDVI4
Cable ZEN 13.1 ft (4m) DVI Digital Video Cable
Instruction Manual
7