StarTech.com STARVIEW SV431DVIUAHR User manual

Manual Revision: 08/08/2011
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
For the most up-to-date information, please visit: www.startech.com
SV431DVIUAHR
4 Port High Resolution Dual Link
DVI USB KVM Switch with Audio

FCC Compliance Statement
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
o 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 dierent from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
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.

Instruction Manual i
Table of Contents
Introduction .......................................................................................................................................................1
Features...........................................................................................................................................................1
Package Contents.....................................................................................................................................1
System Requirements...................................................................................................................................2
Console Side ................................................................................................................................................2
Computer Side............................................................................................................................................2
Installation............................................................................................................................................................3
PC BIOS Notice ..........................................................................................................................................3
Computer Connection ..........................................................................................................................4
Operation .............................................................................................................................................................4
Front Panel ....................................................................................................................................................4
Auto Scan.......................................................................................................................................................4
Scan Time.......................................................................................................................................................5
Rack Mount Kit (Optional)..........................................................................................................................7
Specications.....................................................................................................................................................8
Troubleshooting...............................................................................................................................................9
Technical Support ...........................................................................................................................................11
Warranty Information....................................................................................................................................11

Instruction Manual 1
Introduction
Thank you for purchasing a StarTech.com 4 Port Dual Link DVI USB KVM Switch. Oering
convenient sharing of up to four directly connected computers as well as USB peripheral
switching between computers, SV431DVIUAHR connects to a DVI capable display to create the
ideal switching solution for a broad range of multimedia environments, including SOHO (Small
Oce Home Oce), HTPC applications etc.
Features
• All metal chassis for long-term durability
• Compatible with all Operating Systems supporting USB
• Designed for high-resolution applications: supports up to a resolution of 2560x1600
• Front panel push button computer selection
• Integrated USB 2.0 hub allows you to share up to three high-speed USB devices between
computers
• USB self-powered operation
Package Contents
• 1 x SV431DVIUAHR
• 1 x User manual
• 1 x Rubber Foot Pad set
• 1 x Power Adapter

Instruction Manual 2
System Requirements
Console Side
• One DVI monitor
• One USB keyboard
• One USB mouse
• One 3.5mm microphone (optional)
• One 3.5mm audio output device (optional)
Computer Side
• One DVI cable per computer
• One USB A-B cable with Type-A and Type-B plug for USB devices
Please Note: In place of using individual cables, StarTech.com oers a 6 ft. 4-in-1 USB, DVI,
Audio, and Microphone KVM Switch Cable (USBDVI4N1A6) that can fulll the functions of both
cables in one convenient unit.

Instruction Manual 3
Installation
PC BIOS Notice
The following BIOS setup changes may be necessary for PC users.
1. In STANDARD CMOS, set HALT ON ERROR to ALL BUT KEYBOARD
2. In PNP AND PCI SETUP, set PNP OS INSTALLED to YES and set USB IRQ to ENABLED.
Please Note: The SV431DVIUAHR provides USB keyboard and mouse switching from one
computer to the other. If you plan to share other peripherals, such as a CCD camera, printer or
scanner, it is required to shut down the computer driver before switching to another computer.
Console Connection
Before installation, ensure that all devices and computers to be connected to the SV431DVIUAHR
are powered o.
1. Connect a DVI-capable monitor to the Console’s DVI port.
2. Plug a USB keyboard and a USB mouse to any two of the Console’s USB ports as shown below.
USB Device
USB Mouse
USB Device
USB Keyboard

Instruction Manual 4
Computer Connection
Use a male-to-male cable to connect from a computer’s DVI port to SV431DVIUAHR’s DVI port of
PC side, as shown below.
Use a USB A-B Cable to connect from the SV431DVIUAHR’s USB port (B connector, square
connector) to the USB port on the corresponding computer (A connector, at connector), as
shown below.
Operation
Front Panel
On-line LED & Selected LED
When the LED turns green, the connected computer is powered-on. When a computer is
selected, its corresponding red LED illuminates.
Push Buttons
Each computer has a button associated with it on the front panel for selection.
Auto Scan
Auto Scan automatically scans through the connected computers one by one in a xed interval
(see Scan Time below).
To activate Auto Scan, hold down front panel push buttons “3” and “4” simultaneously. The port
LED ashes during Auto Scan. Auto Scan is eective for powered-on computers only. To exit
Auto Scan mode, simply tap any one of the push buttons.
Please Note: The keyboard and mouse are inoperable during Auto Scan.
Male-to-Male for
Video
One USB patch cable for both
keyboard and mouse.

Instruction Manual 5
Scan Time
Scan time sets the interval at which connected computers will be scanned. The Scan Time
options are 3, 8, 15 and 30 seconds.
Please Note: Scan Time is automatically set to 3 seconds (default) when the KVM switch loses
power.
To change the Scan Time interval, press hold front panel buttons “1” and “2” simultaneously. The
KVM switch will beep 1, 2, 3 or 4 times for Scan Time of 3, 8, 15 or 30 seconds respectively.
“FUNC” Button
To ensure optimal video signal strength corresponding to the length or quality of the DVI cable
being used, the user can press the“FUNC” button in combination with the other push buttons.
1. Press the “FUNC” button three times. The “FUNC” LED will ash one time per second.
2. To adjust the equalization of the selected port:
Press push button “1” once to select normal operation, indicated by a single beep
sounding; or twice to select enhanced mode, indicated by two beeps sounding.
or
To adjust the output current of the selected port:
Press push button “3” once to select normal operation, indicated by a single beep
sounding; or twice to select enhanced mode, indicated by two beeps sounding.
or
To adjust the output emphasis of the selected port:
Press push button “4” once to select no pre-emphasis, indicated by a single beep
sounding; or twice to select low pre-emphasis, indicated by two beeps sounding; or three
times to select medium pre-emphasis, indicated by three beeps sounding; or four times to
select high pre-emphasis, indicated by four beeps sounding.
3. Once the desired settings are complete, press the “FUNC” button once to exit the settings
mode.

Instruction Manual 6
To select the audio signal from any port of 4 connected computers, the user can press “FUNC”
button in combination with the other push buttons.
1. Press and hold the “FUNC” button. Either all 4 green LEDs will illuminate or just one green
LED. If all four LEDs illuminate, the audio port is operating on the same channel as the
selected computer. This is known as “tracking mode.” If just one green LED (the selected audio
port) is illuminated, the audio port is not on the same channel as the selected computer
(referred to as “non-tracking mode”).
2. While the “FUNC” button is being held down, press the push button that corresponds with
the audio port you wish to select.
or
While the “FUNC” button is being held down, press and hold “1” AND “2” to enter tracking
mode.
3. Once the desired setting changes have been made, release“FUNC” button to exit the settings
mode.

Instruction Manual 7
Rack Mount Kit (Optional)
The gure below shows how to attach optional mounting brackets and cable support
(SV431RACK) to the SV431DVIUAHR for installation in a standard 19-inch rack cabinet.
To the rack
cabinet back
post
Two screws secure the
cable support
USB or monitor cables to
the switch
To the rack
cabinet back
post
USB or monitor cables to the
computer