Kramer VA-4H Bedienungsanleitung
KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
VA-4H
4-Channel HDMI EDID
Controller
P/N: 2900-300043 Rev 1
VA-4H – Contents i
Contents
1Introduction 1
2Getting Started 2
2.1Achieving the Best Performance 2
3Overview 3
3.1About HDMI 4
3.2About HDCP 5
3.3Defining EDID 5
4Defining the VA-4H 4-Channel HDMI EDID Controller 6
5Connecting the VA-4H 8
6Operating the VA-4H 9
7Technical Specifications 10
Figures
Figure 1: VA-4H 4-Channel HDMI EDID Controller Front Panel 6
Figure 2: VA-4H 4-Channel HDMI EDID Controller Rear Panel 7
Figure 3: Connecting the VA-4H 4-Channel HDMI EDID Controller 8
VA-4H - Introduction 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 that are clearly defined
by function: 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 and
GROUP 11: Sierra Products.
Congratulations on purchasing your Kramer VA-4H 4-Channel HDMI EDID
Controller, which is ideal for the following typical applications:
•Distributing presentation graphics
•Using a display at a distance from the computer
•Using in graphics production studios
2 VA-4H - Getting Started
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
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).
Caution: No operator serviceable parts inside the unit
Warning: Use only the Kramer Electronics input power wall
adapter that is provided with the unit
Warning: Disconnect the power and unplug the unit from the
wall before installing
2.1 Achieving the Best Performance
To achieve the best performance:
•Use only good quality connection cables to avoid interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
•Avoid interference from neighboring electrical appliances that may
adversely influence signal quality
•Position your Kramer VA-4H away from moisture, excessive sunlight and
dust
i
!
VA-4H - Overview 3
3 Overview
The VA-4H is an EDID controller for HDMI signals. The unit inputs up to four HDMI
channels and lets you select an EDID for each channel from the display, an
internal default EDID or to pass the signal through without change.
The VA-4H features:
•A maximum data rate of 2.25Gbps per channel for a total of 6.75Gbps
•A maximum input resolution of 1080p
•HDTV compatibility
•Compliance with standards: HDMI and HDCP 1.2
•Support of HDMI (V.1.4 with Deep Color, x.v.Color™, Lip Sync, HDMI
Uncompressed Audio Channels, Dolby TrueHD, DTS-HD, CEC)
•Four input/output channels
•Four tamper-proof, recessed selector pushbuttons
•Non-volatile memory that saves final settings
•LED indicators for power and EDID source settings
•An RS-232 port for upgrading firmware
•A 5V DC power source
•A compact MultiTools enclosure that can be rack mounted with an optional
RK-13 rack adapter
4 VA-4H - Overview
3.1 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital
audio/video interface, widely supported in the entertainment and home cinema
industry. HDMI ensures an all-digital rendering of video without the losses associated
with analog interfaces and their unnecessary digital-to-analog conversions. It delivers
the maximum high-definition image and sound quality in use today. Note that Kramer
Electronics Limited is an HDMI Adopter and an HDCP Licensee.
HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered
trademarks of HDMI licensing LLC.
In particular, HDMI:
•Provides a simple 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 cable
SIMPLICITY - 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
LENGTHY CABLE - HDMI technology has been designed to use standard copper cable
construction at up to 15m
•Supports standard, enhanced, high-definition video, and multi-channel digital
audio on a single cable
MULTI-CHANNEL DIGITAL AUDIO - HDMI supports multiple audio formats, from
standard stereo to multi-channel surround-sound. HDMI has the capacity to support
Dolby 5.1 audio and high-resolution audio formats
•Transmits all ATSC HDTV standards and supports 8-channel digital audio, with
bandwidth to spare to accommodate future enhancements and requirements
•Benefits consumers by providing superior, uncompressed digital video quality
via a single cable, and user-friendly connector
HDMI provides the quality and functionality of a digital interface while also supporting
uncompressed video formats in a simple, cost-effective manner
•Is backward-compatible with DVI (Digital Visual Interface)
•Supports CEC, two-way communication between the video source (such as a
DVD player) and the digital television, enabling new functionality such as
automatic configuration and one-button play
•Has the capacity to support existing high-definition video formats (720p, 1080i,
and 1080p, 2K and 4K), standard definition formats such as NTSC or PAL, as
well as 480p and 576p
VA-4H - Overview 5
3.2 About HDCP
The High-Bandwidth Digital Content Protection (HDCP) standard developed by
Intel, protects digital video and audio signals transmitted over DVI or HDMI
connections between two HDCP-enabled devices to eliminate the reproduction of
copyrighted material. To protect copyright holders (such as movie studios) from
having their programs copied and shared, the HDCP standard provides for the
secure and encrypted transmission of digital signals.
3.3 Defining EDID
The Extended Display Identification Data (EDID) is a data-structure provided by a
display, to describe its capabilities to a graphics card (that is connected to the
display’s source). The EDID enables the VA-4H to “know” what kind of monitor is
connected to the output. The EDID includes the manufacturer’s name, the product
type, the timing data supported by the display, the display size, luminance data
and (for digital displays only) the pixel mapping data.
EDID is defined by a standard published by the Video Electronics Standards
Association (VESA).
6 VA-4H - Defining the VA-4H 4-Channel HDMI EDID Controller
4 Defining the VA-4H 4-Channel HDMI EDID
Controller
This section defines the VA-4H.
Figure 1: VA-4H 4-Channel HDMI EDID Controller Front Panel
# Feature Function
1 ON LED Illuminates green when 5V DC power is connected
2
CHAN. 1
CAPTURE Button Press to choose the channel 1 EDID source
3 DEFAULT
PASS
MONITOR LEDS
Upper LED illuminates red when default EDID is chosen,
both LEDS illuminate when pass-through is chosen, lower
green LED illuminates when the monitor EDID is chosen
4
CHAN. 2
CAPTURE Button Press to choose the channel 2 EDID source
5 DEFAULT
PASS
MONITOR LEDS
Upper LED illuminates red when default EDID is chosen,
both LEDS illuminate when pass-through is chosen, lower
green LED illuminates when the monitor EDID is chosen
6
CHAN. 3
CAPTURE Button Press to choose the channel 3 EDID source
7 DEFAULT
PASS
MONITOR LEDS
Upper LED illuminates red when default EDID is chosen,
both LEDS illuminate when pass-through is chosen, lower
green LED illuminates when the monitor EDID is chosen
8
CHAN. 4
CAPTURE Button Press to choose the channel 4 EDID source
9 DEFAULT
PASS
MONITOR LEDS
Upper LED illuminates red when default EDID is chosen,
both LEDS illuminate when pass-through is chosen, lower
green LED illuminates when the monitor EDID is chosen
VA-4H - Defining the VA-4H 4-Channel HDMI EDID Controller 7
Figure 2: VA-4H 4-Channel HDMI EDID Controller Rear Panel
# Feature Function
10
CHAN. 1
IN HDMI
Connector Connects to the channel 1 HDMI source
11 OUT HDMI
Connector Connects to the channel 1 HDMI acceptor
12
CHAN. 2
IN HDMI
Connector Connects to the channel 2 HDMI source
13 OUT HDMI
Connector Connects to the channel 2 HDMI acceptor
14
CHAN. 3
IN HDMI
Connector Connects to the channel 3 HDMI source
15 OUT HDMI
Connector Connects to the channel 3 HDMI acceptor
16
CHAN. 4
IN HDMI
Connector Connects to the channel 4 HDMI source
17 OUT HDMI
Connector Connects to the channel 4 HDMI acceptor
18 PROGRAM RS-232
Connector Connects to a PC for upgrading the device firmware (see
Upgrading the VA-4H Firmware document on the Kramer
Web site)
19 5V DC Connector Connects to the 5V DC power supply
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