Kramer VM-4HC User Manual
Kramer Electronics, Ltd.
USER MANUAL
Model:
VM-4HC
1:4 HDMI Distributor
Contents
i
Contents
1 Introduction 1
2 Getting Started 1
2.1 Quick Start 2
3 Overview 3
3.1 About HDMI 3
3.2 Defining the EDID 4
3.3 Recommendations for Best Performance 4
4 Defining the VM-4HC 1:4 HDMI Distributor 5
5 Connecting the VM-4HC 1:4 HDMI Distributor 6
5.1 Connecting the VM-4HC 6
5.2 Acquiring the EDID 7
6 Technical Specifications 9
7 Default EDID 10
Figures
Figure 1: VM-4HC 1:4 HDMI Distributor Front Panel 5
Figure 2: VM-4HC 1:4 HDMI Distributor Rear Panel 5
Figure 3: Connecting the VM-4HC 1:4 HDMI Distributor 6
Tables
Table 1: VM-4HC 1:4 HDMI Distributor Front Panel Features 5
Table 2: VM-4HC 1:4 HDMI Distributor Rear Panel Features 5
Table 3: Technical Specifications of the VM-4HC 1:4 HDMI Distributor 9
Introduction
1 1
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 the video, audio, presentation, and
broadcasting professional 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
1
that are clearly
defined by function.
Thank you for purchasing your Kramer VM-4HC 1:4 HDMI Distributor
which is ideal for:
• Home theater, presentation and multimedia applications
• Rental and staging
The package includes the following items:
• VM-4HC 1:4 HDMI Distributor
• 5V DC power adapter
• This user manual
2
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
3
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; 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; GROUP 11: Sierra Products
2 Download up-to-date Kramer user manuals from http://www.kramerelectronics.com
3 The complete list of Kramer cables is available from http://www.kramerelectronics.com
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Getting Started
2
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
Overview
3 3
3 Overview
The Kramer VM-4HC is a high quality 1:4 HDMI distributor that accepts
an HDMI input and distributes the signal to up to four outputs, thus making
it a versatile, reliable component in a video system. The VM-4HC
distributes signals having resolutions up to UXGA, including all HDTV
formats.
In particular, the VM-4HC:
• Supports up to 2.25Gbps bandwidth per graphic channel
1
• Equalizes and reclocks the data
• Has I-EDIDPro™ Kramer Intelligent EDID Processing™, an
intelligent EDID handling and processing algorithm that ensures Plug
and Play operation for HDMI systems
• Supports 3D Pass-Thru
• The ability to use a default
2
EDID or acquire the EDID from one
output or from all connected outputs (Auto-mix)
• Includes five HDMI connectors, four output status LEDs, as well as
EDID READ and SELECT buttons
The VM-4HC is housed in a desktop sized enclosure and is fed by a mains
power adapter.
3.1 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed
all-digital
3
audio/video interface, widely supported in the entertainment and
home cinema industry. It delivers the highest high-definition image and
sound quality.
In particular, HDMI
4
:
• Provides a simple
5
interface between any audio/video source, such as
a set-top box, DVD player, or A/V receiver and video monitor, such
as a digital flat LCD / plasma television (DTV), over a single
lengthy
6
cable
1 Suitable for resolutions up to UXGA at 60Hz and for all HD resolutions
2 Lets you use the EDID default value when no display from which to read the EDID is connected
3 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-
to-analog conversions
4 HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI
licensing LLC
5 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
6 HDMI technology has been designed to use standard copper cable construction at up to 15 m (49ft)
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