Kramer VM-4H2 Manuale utente

USER MANUAL

MODEL:

VM-4H2

4K HDMI 2.0 1:4 DA

P/N: 2900-300565 Rev 1 www.kramerAV.com

VM-4H2 – Contents i

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instructions 2

2.3 Recycling Kramer Products 3

3Overview 4

3.1 Defining the VM-4H2 4K HDMI 2.0 1:4 DA 5

3.2 Setting the DIP-Switches 5

3.3 LED Indications 6

4Connecting the VM-4H2 7

5Upgrading the Firmware 9

6Supported Input Resolutions 11

7Default EDID 12

8Technical Specifications 15

Figures

Figure 1: VM-4H2 4K HDMI 2.0 1:4 DA 5

Figure 2: Connecting the VM-4H2 4K HDMI 2.0 1:4 DA 8

VM-4H2 - 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 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 14 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; GROUP 11:

Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and

GROUP 14: Collaboration.

Congratulations on purchasing your Kramer VM-4H2 4K HDMI 2.0 1:4 DA. This

product, which incorporates HDMI™ 2.0 technology, is ideal for:

•Digital signage, entertainment, retail

•Medical and defence applications that require high resolution support

2 VM-4H2 - 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

Go to www.kramerav.com/downloads/VM-4H2 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 neighbouring electrical appliances that may adversely

influence signal quality

•Position your VM-4H2 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.

2.2 Safety Instructions

Caution:

There are no operator serviceable parts inside the unit

Warning: Use only the Kramer Electronics power supply that is

provided with the unit

Warning: Disconnect the power and unplug the unit from the wall

before installing

VM-4H2 - Getting Started 3

2.3 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 http://www.kramerelectronics.com/support/recycling/.

4 VM-4H2 - Overview

3 Overview

The VM-4H2 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 four identical

outputs. It distributes signals having resolutions up to 4K@60 (4:4:4) with HDMI 2.0

and HDCP 2.2.

The VM-4H2 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-4H2 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

VM-4H2 - Overview 5

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

This section defines the VM-4H2.

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

# Feature Function

IN LED

Lights green when an HDMI source is connected

OUT LEDs (1-4)

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 4)

Connect to up to four HDMI acceptors

6 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 Section 3.2)

5V DC Power Connector

Connects to a 5V DC power supply

3.2 Setting the DIP-Switches

The VM-4H2 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

Note: Any time the DIP-switch settings are changed, the device must be powered

off and on for the new settings to take effect.

6 VM-4H2 - Overview

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-4H2 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.

Note: 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.

3.3 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

VM-4H2 - Connecting the VM-4H2 7

4 Connecting the VM-4H2

Always switch off the power to each device before connecting it to

your VM-4H2. After connecting your VM-4H2, 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-4H2, 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 four OUTPUT connectors to up to four 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

with speakers)

HDMI OUT 3 connector to HDMI acceptor 3 (for example, 4K plasma

display)

HDMI OUT 4 connector to HDMI acceptor 4 (for example, 4 K plasma

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 Section 3.3 for the state of the LED indicators during and after powering

on.

Indice

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