StarTech.com VS410RVGAA User manual

Manual Revision: 04/11/2012

For the most up-to-date information, please visit: www.startech.com

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

VS410RVGAA

4 Port VGA Video Audio Switch with RS232 control

*actual product may vary from photos

Instruction Manual

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

Packaging Contents .............................................................................................................................1

System Requirements .........................................................................................................................1

Front View ...............................................................................................................................................2

Rear View .................................................................................................................................................2

Remote Control .....................................................................................................................................2

Installation ................................................................................................3

Hardware Installation ..........................................................................................................................3

How to Use ................................................................................................4

RS232 Serial Control ............................................................................................................................4

RS232 Pinout ..........................................................................................................................................4

Commands ..............................................................................................................................................4

Troubleshooting .......................................................................................5

Specications ............................................................................................7

Technical Support ....................................................................................8

Warranty Information ..............................................................................8

Instruction Manual 1

Introduction

This 4 Port VGA Video and Audio Switch lets you switch between four separate VGA signals,

as well as the corresponding audio, for output to a single display or projector.

An ideal solution for situations where VGA and audio input ports are scarce, the VGA switch

eliminates the hassle of having to swap out connections to your display and audio receiver,

while letting you select the video source at the push of a button.

The VGA switch also features convenient remote switching capability, through either

RS232 serial remote control or the included IR remote control - allowing you to switch

between VGA input signals from a distance and in turn providing a convenient addition to

presentation displays, trade shows, security environments and more.

Packaging Contents

• VGA Video Switch

• 3ft VGA Cable

• IR Remote Control

• Power Adapter

• Instruction Manual

System Requirements

• VGA enabled video source device (i.e. computer, DVR/PVR, etc.)

• VGA enabled display device (i.e. monitor, projector, etc.)

• Available AC electrical outlet

Instruction Manual 2

Front View

Rear View

Remote Control

Instruction Manual 3

Installation

Hardware Installation

1. Make sure all devices are powered o before beginning the installation.

2. Connect a male/male VGA cable from the “Output” connector on the switch to the VGA

connector on the display device (e.g. monitor).

3. Connect a male/male VGA cable from one of the VGA video sources (e.g. computer) to

input 1 on the video switch. Repeat for Port 2 ~ 4.

4. Connect the power adapter from an AC electrical outlet to the video switch. Press the

power button on the front panel. The Power LED and Port 1 Selection LED should light

up to indicate the currently active input.

5. Power on the display device rst, followed by the video source on port 1.

6. Once video output is conrmed, switch to the next port by pressing the front panel

button or remote control and power up the next video source. Repeat this process for

each video source.

7. To switch between the inputs on the switch, the front panel buttons or the IR remote

control can be used.

OPTIONAL: If using RS232 serial control, connect a DB9 (9-pin) serial cable from the DB9

connector on the video switch, to the RS232 serial port on the host system (i.e. computer).

Instruction Manual 4

How to Use

RS232 Serial Control

The video switch can be controlled from a remote terminal (e.g. computer) through RS232

serial. A DB9 (9-pin) cable needs to be connected between the video switch and the

remote terminal. A regular PC should be connect via straight-through male/female serial

cable.

Baud Rate: 9600 bps

Data Bits: 8

Parity: None

Stop Bits: 1

RS232 Pinout

VS410RVGAA

Pin Signal

1 NC

2 TxD

3 RxD

4 NC

5 GND

6 NC

7 NC

8 NC

9 NC

Commands

Command Description

“I” + “1” Select Port 1

“I” + “2” Select Port 2

“I” + “3” Select Port 3

“I” + “4” Select Port 4

“P” +”1” Power On video switch

“P” + “0” Power O video switch

Instruction Manual 5

Troubleshooting

Symptom Solution

Remote Control does not work/

stopped working

Make sure the front panel of the video switch is not

blocked or obscured by other objects.

Make sure you are pointing the remote control

directly at the front panel of the video switch.

Try switching using the buttons on the front panel

of the video switch:

If this works correctly, replace the battery (CR-23) in

the remote control.

If this does not work, the video switch has locked

up (see below).

No video

Check the front panel of the video switch to make

sure the correct input is selected.

Make sure the video source connected to the input

is turned on or awake.

Make sure that the monitor/display is set to the

VGA input.

If the video source has multiple outputs (e.g.

laptop), make sure the VGA port is active.

Check that the VGA cables are securely connected:

Between the video source and the input on the

video switch.

Between the monitor/display and the output on

the video switch.

Connect the display directly to the video source to

make sure the output video resolution is supported

by the display (e.g. 1920x1200 or 1080p).

Ensure this video resolution is also supported by

the video switch.

If all other checks fail, try replacing the VGA cables.

Video is blurry and/or has bad color

Check that the VGA cables are securely connected:

Between the video source and the input on the

video switch.

Between the monitor/display and the output on

the video switch.

Try replacing the VGA cables.

Instruction Manual 6

Symptom Solution

Image is not centered properly on

the monitor/display

Turn the display o, then back on.

Look for an auto adjust button or setting on the

display.

Make sure the video source is outputting a

standard video resolution that is supported by the

video switch and the display.

Manually adjust the vertical and/or horizontal

positioning from the display’s on screen menu.

Try replacing the VGA cables.

No audio

Check that the audio cables are securely

connected:

Between the audio source and the input on the

video switch.

Between the speakers and the output on the video

switch.

Check that the audio source is outputting sound by

plugging in speakers or headphones directly to the

audio source

Try replacing the audio cables.

The video switch is locked up

Unplug the power adapter from the video switch

or electrical outlet, wait 20 seconds, then plug the

power adapter back in.

Instruction Manual 7

Specications

Video Signal VGA (RGBHV): 0.7Vp-p or 1Vp-p with sync

75 Ohm

External Connectors (Input)

4 x DE-15 VGA female

4 x 3.5mm Audio mini-jack female

1 x DB9 female

1 x DC Power female

External Connectors (Output) 1 x DE-15 VGA female

1 x 3.5mm Audio mini-jack female

LEDs 1 x Power

4 x Port Selection Indicator

Maximum Video Resolution 1920 x 1200 / 1080p

Video Bandwidth 650 MHz (-3dB)

Dierential Gain 0.05%

Dierential Phase 0.05 degrees

Switching Methods Front Panel Buttons, IR Remote Control,

RS232 Serial

Power Consumption 5W (max)

Power Adapter 5VDC, 2600mA, center positive

Enclosure Material Aluminum

Dimensions (LxWxH) 292.0mm x 73.0mm x 44.0mm

Weight 1500g

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