Kramer VM-10xl Manuale utente

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

VM-10xl

Video Audio Distribution

Amplifier

P/N: 2900-001042 Rev 4

VM-10xl – Contents

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instructions 3

2.3 Recycling Kramer Products 3

3Overview 4

3.1 Defining the VM-10xl Video Audio Distribution Amplifier 4

4Installing in a Rack 7

5Connecting the VM-10xl 8

5.1 Increasing the Outputs 9

6Technical Specifications 12

Figures

Figure 1: VM-10xl Video Audio Distribution Amplifier Front Panel 5

Figure 2: VM-10xl Video Audio Distribution Amplifier Rear Panel 6

Figure 3: Connecting the VM-10xl Video Audio Distribution Amplifier 9

Figure 4: Increasing the Outputs: Arranging a 1:30 Video Audio DA 11

VM-10xl - Introduction

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 Products.

Congratulations on purchasing your Kramer VM-10xl Video Audio Distribution

Amplifier, which is ideal for the following typical applications:

Audio video duplication studios

Rental/staging, CCTV, and home theater use

VM-10xl - 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 http://www.kramerelectronics.com/support/product_downloads.asp

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 VM-10xl 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.

VM-10xl - Getting Started

2.2 Safety Instructions

Caution:

There are no operator serviceable parts inside the unit

Warning:

Use only the power cord that is supplied with the unit

Warning:

Do not open the unit. High voltages can cause

electrical shock! Servicing by qualified personnel only

Warning:

Disconnect the power and unplug the unit from the wall

before installing

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/.

VM-10xl - Overview

3 Overview

The VM-10xl is a high-quality 1:10 video audio distribution amplifier using BNC

connectors for composite video, and RCA connectors for unbalanced stereo audio

signals. The VM-10xl accepts a composite video input and distributes the signal to

10 identical outputs.

In particular, the VM-10xl:

Includes looping connectors for connecting to a local monitor, other

acceptor, or for forming larger systems

For example, you can connect 3 VM 10xl units to make a 1:30 video audio distribution

amplifier. See Section 5.1 for details.

Has a video bandwidth of 360MHz, ensuring transparent performance with

typical video and audio sources

Can function as unbalanced stereo audio or balanced mono audio (selected

via an audio control button)

Recommended for low signal transmission over long distances or in audio broadcasting

studios for high quality signal recreation.

Can output video signals that are DC or AC coupled for maximum flexibility

(selected via a coupling button)

Has front panel video trimmer controls for output level and cable equalization

(EQ.), as well as audio trimmer controls for left and right gain, with an enable

/ disable control button

The video outputs are arranged in two blocks of 5 outputs (outputs 1 to 5, and outputs 6

to 10). Each block can be separately trimmed for output level and cable equalization

(EQ.) thus achieving different compensations for different cable lengths.

3.1 Defining the VM-10xl Video Audio Distribution Amplifier

This section defines the VM-10xl.

VM-10xl - Overview

VM-10xl –Overview

Figure 1: VM-10xl Video Audio Distribution Amplifier Front Panel

Feature

Function

POWER Switch

Illuminated switch supplying power to the unit

AUDIO CONTROL

LEFT GAIN Trimmer

Adjusts the audio signal level for the left channel

Insert a screwdriver into the hole and carefully rotate it, to trim the level

BAL/ST Button

Pushing in selects balanced mono audio operation, releasing selects unbalanced stereo audio

operation

RIGHT GAIN Trimmer

Adjusts the audio signal level for the right channel

Enable/DisableButton

Pushing in enables audio gain trimmer control, releasing bypasses it disabling audio gain trimmer

control

VIDEO

CONTROL

EQ. Trimmer

Adjusts the video EQ. (equalization) compensation of outputs 6 to 10

LEVEL Trimmer

Adjusts the video signal level of outputs 6 to 10

EQ. Trimmer

Adjusts the video EQ. (equalization) compensation of outputs 1 to 5

LEVEL Trimmer

Adjusts the video signal level of outputs 1 to 5

VM-10xl - Overview

Figure 2: VM-10xl Video Audio Distribution Amplifier Rear Panel

Feature

Function

VIDEO IN BNC Connector

Connects to the video source

LOOP BNC Connector

For looping to increase output availability

TERM Button

Pushing in selects 75, releasing selects Hi-Z

For looping select Hi-Z

COUPLING Button

Pushing in selects DC coupling, releasing selects AC coupling (removing the DC offset of

the input signal)

Achieving the best linearity and signal fidelity

VIDEO OUTBNC Connectors

Connect to the video acceptors (from 1 to 10)

AUDIO IN RCA Connectors

Connects to the stereo audio source (R and L)

AUDIO LOOP RCAConnectors

For looping to increase audio output availability (R and L)

AUDIO OUTPUTSRCAConnectors

Connect to the stereo audio acceptors R and L, from 1 to 10)

Power Connector with Fuse

AC connector enabling power supply to the unit

VM-10xl –Overview

VM-10xl - Installing in a Rack

4 Installing in a Rack

This section provides instructions for rack mounting the unit.

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