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Introduction 

 

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1  Introduction 

Welcome to Kramer Electronics (since 1981): a world of unique, creative and 

affordable solutions to the infinite range of problems that confront the video, 

audio and presentation professional on a daily basis. In recent years, we have 

redesigned and upgraded most of our line, making the best even better! Our 

500-plus different models now appear in 8 Groups

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, which are clearly defined by 

function. Congratulations on purchasing your Kramer DigiTOOLS®

 

VS-21HDMI

 

2x1 HDMI

2

 Switcher

!

 

The 

VS-21HDMI

 is ideal for: 

Home theater, presentation and multimedia applications 
Rental and staging 

The package includes the following items: 

VS-21HDMI

 

2x1 HDMI Switcher

 

Power adapter (12V DC) 
This user manual

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2  Getting Started 

We recommend that you: 

Unpack the equipment carefully and save the original box and packaging 

materials for possible future shipment 

Review the contents of this user manual 
Use Kramer high performance high resolution cables

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3  Overview 

The 

VS-21HDMI

 

is a

 

high quality switcher for HDMI

 

signals that

 

accepts 

two HDMI inputs—letting you select either HDMI

 

input using a switch 

located on the panel—and routes the selected HDMI

 

input signal to the HDMI

 

output. In particular, the 

VS-21HDMI

Supports up to 1.65Gbps bandwidth per graphic channel

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Is 12VDC fed 

                                                       

 

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3: 
Video,  Audio,  VGA/XGA  Processors;  GROUP  4:  Interfaces  and  Sync  Processors;  GROUP  5:  Twisted  Pair  Interfaces; 
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors 
2 High-Definition Multimedia Interface 
3 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com 
4 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com 
5 Suitable for resolutions up to UXGA at 60Hz, and for all HD resolutions 

Summary of Contents for VS-21HDMI

Page 1: ...Kramer Electronics Ltd USER MANUAL Model VS 21HDMI 2x1 HDMI Switcher ...

Page 2: ...EDID 6 6 2 Working in the DVD Mode 7 6 2 1 Toggling from the DVD mode to the PC mode 7 6 2 2 Toggling from the PC mode to the DVD mode 7 7 Technical Specifications 7 Figures Figure 1 VS 21HDMI 2x1 HDMI Switcher 3 Figure 2 VS 21HDMI 2x1 HDMI Switcher Top Side Panel 3 Figure 3 VS 21HDMI 2x1 HDMI Switcher Lower Side Panel 3 Figure 4 Connecting a VS 21HDMI 2x1 HDMI 5 Tables Table 1 VS 21HDMI 2x1 HDMI ...

Page 3: ...hipment Review the contents of this user manual Use Kramer high performance high resolution cables4 3 Overview The VS 21HDMI is a high quality switcher for HDMI signals that accepts two HDMI inputs letting you select either HDMI input using a switch located on the panel and routes the selected HDMI input signal to the HDMI output In particular the VS 21HDMI Supports up to 1 65Gbps bandwidth per gr...

Page 4: ...has the capacity to support existing high definition video formats 720p 1080i and 1080p 60 as well as standard definition formats such as NTSC or PAL 3 2 Recommendations for Best Performance To achieve the best performance Connect only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low q...

Page 5: ...anel Figure 2 VS 21HDMI 2x1 HDMI Switcher Top Side Panel Table 1 VS 21HDMI 2x1 HDMI Switcher Top Side Panel Features Feature Function 1 INPUT 1 Connects to the HDMI source 1 2 INPUT 2 Connects to the HDMI source 2 3 OUTPUT Connects to the HDMI acceptor 4 12V DC 12V DC connector for powering the unit Figure 3 and Table 2 define the lower side panel Figure 3 VS 21HDMI 2x1 HDMI Switcher Lower Side Pa...

Page 6: ...1 LED Lights when source 1 is selected 1 2 IN 2 LED Lights when source 2 is selected 1 3 OUT LED Lights when the output is connected 4 ON LED Lights when receiving power 5 SELECT Button Toggles 2 between IN 1 and IN 2 1 Blinks when selected but no input is connected 2 IN 1 LED lights when INPUT 1 is selected or the IN 2 LED lights when IN 2 is selected ...

Page 7: ...o the HDMI acceptor for example a plasma display using the Kramer HDMI copper cable 3 Connect the 12V DC power adapter to the power socket and connect the adapter to the mains electricity 4 Press the SELECT button to choose which HDMI input to route to the output The SELECT button toggles between INPUT 1 and INPUT 2 lighting the IN 1 LED when INPUT 1 is selected or the IN 2 LED when IN 2 is select...

Page 8: ...d to the output the default EDID will be stored in the non volatile memory 2 Connect the power while keeping the SELECT button pressed until the LEDs start to blink 3 To change the EDID and store it in the non volatile memory of INPUT 1 release the SELECT button while the IN 1 LED blinks INPUT 2 release the SELECT button while the IN 2 LED blinks Both INPUT 1 and 2 release the SELECT button while ...

Page 9: ...de To toggle from the PC mode to the DVD mode 1 Press and hold the SELECT button until both INPUT LEDs light continuously without blinking 2 Release the SELECT button The VS 21HDMI switches to DVD mode 7 Technical Specifications Table 3 includes the technical specifications1 of the VS 21HDMI Table 3 Technical Specifications2 of the VS 21HDMI 2x1 HDMI INPUTS 2 HDMI Connectors OUTPUT HDMI Connector ...

Page 10: ...is required the original dated invoice or a copy must be presented as proof of warranty coverage and should be included in any shipment of the product Please also include in any mailing a contact name company address and a description of the problem s 3 For the name of the nearest Kramer authorized service center consult your authorized dealer LIMITATION OF IMPLIED WARRANTIES All implied warrantie...

Page 11: ...For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Caution Safety Warning Disconnect the unit from the power supply before opening servicing ...

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