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KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
VP-28
Presentation Switcher
P/N: 2900-300080 Rev 5
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Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
2.2 Safety Instructions 3
2.3 Recycling Kramer Products 3
3 Overview 4
3.1 Defining the VP-28 Presentation Switcher 5
4 Installing the VP-28 in a Rack 8
5 Connecting the VP-28 9
5.1 Connecting a Serial Controller to the VP-28 10
5.2 Connecting to the VP-28 via Ethernet 11
5.3 Connecting a Balanced/Unbalanced Stereo Audio Output 13
6 Operating the VP-28 14
6.1 Operating the Combined 5 x 1 Switching Group 14
6.2 Operating the Combined 14 x 1 Master Audio Switching Group 14
6.3 Locking the Front Panel 15
6.4 Resetting the VP-28 to the Factory Default 16
7 Operating the VP-28 Remotely 17
7.1 The Controller Software Menu Bar 19
7.2 Connecting to the Device 19
7.3 Switching an Input to the Output of the Group 20
7.4 Selecting a Master Audio Input 20
7.5 Operating the Combined 5 x 1 HDMI/DP Switching Group 21
7.6 Changing the Audio Levels 22
7.7 Muting Audio and Selecting the Talkover or Mix Audio Modes 22
7.8 Changing the Input Button Icons and Labels 23
7.9 Upgrading the Firmware 24
7.10 Setting the IP Network Parameters 24
8 Technical Specifications 26
9 Default Parameters 28
9.1 Default Communication Parameters 28
9.2 Default Video/Audio Parameters 28
10 Protocol 3000 Control Commands 29
11 Kramer Protocol 31
11.1 Protocol Output Definitions 31
11.2 Kramer Protocol 3000 31
VP-28 – Contents i
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Figures
Figure 1: VP-28 Presentation Switcher Front Panel 6
Figure 2: VP-28
Figure 3: Connecting the VP-28
Figure 4: Local Area Connection Properties Window 12
Figure 5: Internet Protocol (TCP/IP) Properties Window 12
Figure 6: Balanced Stereo Audio Output Connection 13
Figure 7: Unbalanced Stereo Audio Output Connection 13
Figure 8: Controller Software Main Window 17
Figure 9: Typical Input Button 18
Figure 10: Connection Method Window 19
Figure 11: Input Selection 20
Figure 12: Master Audio Input Selection 20
Figure 13: Combine Button 21
Figure 14: Combined HDMI and DP Inputs 21
Figure 15: Changing the Audio Levels 22
Figure 16: Muting Audio and Selecting the Talkover and Mix Modes 22
Figure 17: Input Button Properties Window 23
Figure 18: Device Details Window 25
Presentation Switcher Rear Panel 7
Presentation Switcher 9
ii VP-28 - Contents
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1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast range of
problems that confront video, audio, presentation, and broadcasting professionals
on a daily basis. In recent years, we have redesigned and upgraded most of our
line, making the best even better!
Our 1,000-plus different models now appear in 11 groups that are clearly defined
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;
GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP
5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP
7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:
Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11:
Sierra Video Products.
Congratulations on purchasing your Kramer VP-28 Presentation Switcher, which
is ideal for the following typical applications:
• Presentation and conference room systems
• Production studios, as well as rental and staging
VP-28 - Introduction 1
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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
Go to http://www.kramerelectronics.com to check for up-to-date
user manuals, application programs, and to check if firmware
upgrades are available (where appropriate).
2.1 Achieving the Best Performance
To achieve the best performance:
• Use only good quality connection cables (we recommend Kramer high-
performance, high-resolution cables) to avoid interference, deterioration in
signal quality due to poor matching, and elevated noise levels (often
associated with low quality cables)
• Do not secure the cables in tight bundles or roll the slack into tight coils
• Avoid interference from neighboring electrical appliances that may adversely
influence signal quality
• Position your Kramer VP-28 away from moisture, excessive sunlight and
dust
This equipment is to be used only inside a building. It may only be
connected to other equipment that is installed inside a building.
2 VP-28 - Getting Started
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