Kramer VM-2H2 Manuale utente

P/N: 2900-300602 Rev 3 www.kramerAV.com

USER MANUAL

MODEL:

VM-2H2

4K HDMI 2.0 1:2 DA

Kramer Electronics Ltd.

VM-2H2 –Contents

Contents

Introduction 1

Getting Started 1

Overview 3

Typical Applications 3

Defining the VM-2H2 4K HDMI 2.0 1:2 DA 4

Setting the DIP-Switches 4

LED Indications 5

Mounting VM-2H2 6

Connecting the VM-2H2 7

EDID Acquisition Policy 8

Upgrading the Firmware 9

Supported Input Resolutions 10

Default EDID 11

Technical Specifications 13

Kramer Electronics Ltd.

VM-2H2 –Introduction

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!

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 www.kramerav.com/downloads/VM-2H2 to check for up-to-date user manuals,

application programs, and to check if firmware upgrades are available (where appropriate).

Achieving 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 VM-2H2 away from moisture, excessive sunlight and dust.

Safety Instructions

Caution:

•This equipment is to be used only inside a building. It may only be connected to other

equipment that is installed inside a building.

•For products with relay terminals and GPI\O ports, please refer to the permitted rating

for an external connection, located next to the terminal or in the User Manual.

•There are no operator serviceable parts inside the unit.

Warning:

•Use only the power cord that is supplied with the unit.

•Disconnect the power and unplug the unit from the wall before installing.

•Do not open the unit. High voltages can cause electrical shock! Servicing by qualified

personnel only.

•To ensure continuous risk protection, replace fuses only according to the rating

specified on the product label which located on the bottom of the unit.

Kramer Electronics Ltd.

VM-2H2 –Introduction

Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce

the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected

and recycled. To comply with the WEEE Directive, Kramer Electronics has made

arrangements with the European Advanced Recycling Network (EARN) and will cover any

costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on

arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular

country go to our recycling pages at www.kramerav.com/support/recycling.

Kramer Electronics Ltd.

VM-2H2 –Overview

Overview

Congratulations on purchasing your Kramer VM-2H2 4K HDMI 2.0 1:2 DA. The VM-2H2 is a

distribution amplifier for 4K UHD HDMI 2.0 signals. The unit takes one HDMI input, equalizes

and reclocks the signal and distributes it to two identical outputs. It distributes signals having

resolutions up to 4K@60 (4:4:4) with HDMI 2.0 and HDCP 2.2.

The VM-2H2 features:

•A maximum data rate of 17.82Gbps (5.94Gbps per graphic channel) that supports

resolutions up to 4K @60Hz (4.4.4).

•HDMI support for Deep Color, x.v.Color™, Lip Sync, HDMI Uncompressed Audio

Channels, Dolby TrueHD, DTS-HD, CEC.

•HDCP 2.2, HDMI 2.0 support.

•Kramer Equalization & re-Klocking™ Technology that rebuilds the digital signal integrity

to travel longer distances.

•A default EDID for fast and efficient connection of the unit.

The default EDID feature lets you connect the VM-2H2 without having to connect a

display to the output.

•Operating modes selectable by DIP-switch: force RGB, lock EDID, HDCP enable,

programming mode.

•3D pass-through.

•Plug and Play operation.

•Cascade of Kramer devices like distribution amplifiers.

•An RS-232 port for upgrading firmware.

•A compact MegaTOOLS®enclosure with a 5V DC power source.

Typical Applications

VM-2H2 is ideal for the following typical applications:

•Digital signage, entertainment, retail.

•Medical and defense applications that require high resolution support.

Kramer Electronics Ltd.

VM-2H2 –Defining the VM-2H2 4K HDMI 2.0 1:2 DA

Defining the VM-2H2 4K HDMI 2.0

1:2 DA

This section defines the VM-2H2.

Figure 1: VM-2H2 4K HDMI 2.0 1:2 DA

Feature

Function

IN LED

Lights green when an HDMI source is connected

OUT LEDs (1-2)

Light green when an HDMI acceptor is connected

ON LED

Lights green when the unit is powered on

HDMI IN Connector

Connects to an HDMI source

HDMI OUT Connectors (1 to 2)

Connect to up to two HDMI acceptors

RS-232 (PROG) Terminal Block

Connects to a PC for firmware updating

SETUP DIP-Switches (1-4)

Used for setting four different operation modes (see Setting the

DIP-Switches on page 4)

5V DC Power Connector

Connects to a 5V DC power supply

Setting the DIP-Switches

The VM-2H2 uses four DIP-switches to set four different operation modes:

•Programming mode –normal operation mode, programming mode.

•MAC mode –enable HDCP, disable input HDCP.

•Force RGB - force RGB, normal operation mode.

•Lock default EDID –locked, not locked.

Any time the DIP-switch settings are changed, the device must be powered off and on for the

new settings to take effect.

Kramer Electronics Ltd.

VM-2H2 –Defining the VM-2H2 4K HDMI 2.0 1:2 DA

To select the operation mode, set the DIP-switches as follows:

Programming

mode

HDCP Input

(MAC mode)

Force RGB

Lock Default EDID

DIP

OFF (up)

Normal mode

HDCP enabled

Force RGB

EDID not locked

ON (down)

Enable programming

HDCP disabled

Normal mode

EDID locked

The VM-2H2 toggles between “Normal” and “Force RGB” modes.

In “Force RGB” mode, the read EDID is rewritten to identify only RGB support.

•To force RGB, set DIP 3 OFF (up).

•After setting Force RGB mode you must re-acquire the EDID to update the Force RGB

change.

Powering on the device identifies the mode as follows:

•In “Normal mode” (meaning no forcing RGB), the LEDs flash once.

•In “Force RGB mode”, the LEDS flash four times.

Force RGB modifies the EDID saved on the input to not support YUV format.

In case of a pink display, use the Force RGB mode.

LED Indications

The input and output LEDs turn on only when there is an input signal and an active output

device connected.

Flashing LEDs indicate the following states:

LED

Indication

State

Input LED (per

input)

Flashes four times then stays on

HDCP lost on input while running

Output LED

Flashes twice quickly, repeatedly

HDCP signal on input.

Output device does not support HDCP

Flashes slowly, repeatedly

Input signal detected.

Output device has invalid EDID

Flashes twice quickly then twice slowly,

repeatedly

HDCP signal on input.

Output device does not support HDCP and

has invalid EDID

Kramer Electronics Ltd.

VM-2H2 –Mounting VM-2H2

Mounting VM-2H2

This section provides instructions for mounting VM-2H2. Before installing, verify that the

environment is within the recommended range:

•Operation temperature –0to 40C (32 to 104F).

•Storage temperature –-40to +70C (-40 to +158F).

•Humidity –10% to 90%, RHL non-condensing.

Caution:

•Mount VM-2H2 before connecting any cables or power.

Warning:

•Ensure that the environment (e.g., maximum ambient temperature & air flow) is

compatible for the device.

•Avoid uneven mechanical loading.

•Appropriate consideration of equipment nameplate ratings should be used for avoiding

overloading of the circuits.

•Reliable earthing of rack-mounted equipment should be maintained.

To mount the VM-2H2 on a rack

Mount the unit in a rack using the recommended rack adapter

(see www.kramerav.com/product/VM-2H2)

To mount the VM-2H2 on a table or shelf

•Attach the rubber feet and place the unit on a flat surface.

•Fasten a bracket (included) on each side of the unit and attach it to

a flat surface.

For more information go to www.kramerav.com/downloads/VM-2H2

Kramer Electronics Ltd.

VM-2H2 –Connecting the VM-2H2

Connecting the VM-2H2

Always switch off the power to each device before connecting it to your VM-2H2. After

connecting your VM-2H2, connect its power and then switch on the power to each device.

You do not have to connect all the inputs and outputs, connect only those that are required.

To connect the VM-2H2, as illustrated in the example in Figure 2, do the following:

1. Connect an HDMI input source (for example, a 4K Blu-ray player) to the HDMI IN

connector.

2. Connect the two OUTPUT connectors to up to two HDMI acceptors, as follows:

Not all outputs need to be connected.

▪HDMI OUT 1 connector to HDMI acceptor 1 (for example, a 4K display with

speakers).

▪HDMI OUT 2 connector to HDMI acceptor 2 (for example, a 4K display).

3. Connect the 5V DC power adapter to the power socket unit and then connect the

adapter to the mains electricity (not shown in Figure 2).

See LED Indications on page 5for the state of the LED indicators during and after

powering on.

Figure 2: Connecting the VM-2H2 4K HDMI 2.0 1:2 DA

Kramer Electronics Ltd.

VM-2H2 –EDID Acquisition Policy

EDID Acquisition Policy

This section describes the EDID policy as a function of the state of DIP-switch 4 (Lock Default

EDID).

When set to ON (down), the input EDID is locked to the default EDID value.

When set to OFF (up):

•If no outputs are connected when powering on the VM-2H2, the default EDID is set on

the input. The EDID of the first output that is connected after powering the device is set

to the input. This EDID is replaced by the default EDID only when all outputs are

disconnected.

•If one or more outputs are already connected when powering on the VM-2H2, the valid

EDID of the display that is connected to the output with the highest number is set to the

input (for example, if OUT 1 and OUT 2 are connected and both have valid EDIDs, when

powering the device, the EDID of the display connected to OUT 2 is written to the input).

DIP-switch changes take effect only after powering on the device.

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