Kramer 104LN Manuale utente

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

104LN

1:4 Differential Video Line

Amplifier

P/N: 2900-701141 Rev 5

104LN – 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 104LN 1:4 Differential Video Line Amplifier 5

4Connecting the 104LN 7

5Technical Specifications 9

Figures

Figure 1: 104LN 1:4 Differential Video Line Amplifier 5

Figure 2: 104LN 1:4 Differential Video Line Amplifier (Underside) 6

Figure 3: Connecting the 104LN 1:4 Differential Video Line Amplifier 8

104LN - 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 104LN 1:4 Differential Video Line

Amplifier, which is ideal for the following typical applications:

Any system requiring a compact distribution amplifier and line driver

Rental and staging applications

104LN - 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 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 104LN 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.

104LN - Getting Started

2.2 Safety Instructions

Caution:

There are 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

2.3 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/.

104LN - Overview

3 Overview

The 104LN is a high-performance distribution amplifier and line driver for

composite and SDI video signals.

The 104LN 1:4 Differential Video Line Amplifier features:

One composite video input and 4 identical buffered outputs

Recessed gain and EQ. (equalization) trimmer controls that compensate for

signal losses inherent in long cable runs

Differential input that eliminates common mode noise picked up by the input

cable, and supports long cables (letting you locate it anywhere in the

distribution chain)

Bandwidth exceeding 400MHz, ensuring transparency in the most critical

applications

Full DC coupling, ensuring signal linearity and flatness

104LN - Overview

3.1 Defining the 104LN 1:4 Differential Video Line Amplifier

This section defines the 104LN.

Figure 1: 104LN 1:4 Differential Video Line Amplifier

Feature

Function

INPUT BNC Connector

Connects to the composite video source

OUT 1 BNC Connector

Connects to composite video acceptor 1

OUT 2 BNC Connector

Connects to composite video acceptor 2

OUT 3 BNC Connector

Connects to composite video acceptor 3

OUT 4 BNC Connector

Connects to composite video acceptor 4

12V DC

+12V DC connector for powering the unit

LEVEL Trimmer

Adjusts the output signal level for outputs 1, 2, 3 and 4

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

level

EQ. Trimmer

Adjusts the cable compensation equalization level

ON LED

Illuminates when receiving power

104LN - Overview

Figure 2 illustrates the INPUT GROUND switch:

Figure 2: 104LN 1:4 Differential Video Line Amplifier (Underside)

By default, the INPUT GROUND switch is set to FLOAT (the input signal is

isolated from the chassis). If the image appears noisy, set the switch to ON (the

input signal is grounded to the chassis).

104LN - Connecting the 104LN

4 Connecting the 104LN

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

104LN. After connecting your 104LN, connect its power and then

switch on the power to each device.

To connect the 104LN 1:4 Differential Video Line Amplifier, as the example in

Figure 3 illustrates, connect the following:

1. Connect a composite video source (for example, a satellite decoder and

receiver) to the INPUT BNC connector.

2. Connect the four OUT BNC connectors to up to four composite video

acceptors, as follows:

Connect the OUT 1 connector to video acceptor 1 (for example,

a video recorder)

Connect the OUT 2 connector to video acceptor 2 (for example,

a video display)

Connect the OUT 3 connector to video acceptor 3 (for example,

a video display)

Connect the OUT 4 connector to video acceptor 4 (for example,

a video display)

3. Adjust the output signal level and/or cable compensation equalization level,

if required.

4. If the image appears noisy, set the INPUT GROUND to either ON or FLOAT

to lower the noise level.

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