Kramer VM-30AV Manuale utente

Kramer Electronics, Ltd.

USER MANUAL

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Models:

VM-30AV,

1:3 Audio/Video DA

VM-30AVB,

1:3 Audio/Video DA

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 1

Overview 3

Your Audio/Video DA 4

Using Your Audio/Video DA 5

5.1

Connecting your VM-30AV/B 5

5.2

Configuring a 1:3 Audio/Video DA for Component (YUV) or RGB 7

Technical Specifications 9

Figures

Figure 1: VM-30AV 1:3 Audio/Video DA 4

Figure 2: VM-30AVB 1:3 Audio/Video DA 4

Figure 3: VM-30AV 1:3 Audio/Video DA Connection 6

Figure 4: Configuring a 1:3 Audio/Video DA for Component (YUV) or RGB 8

Tables

Table 1: Front Panel VM-30AV and VM-30AVB 1:3 Audio/Video DA Features 5

Table 2: Rear Panel VM-30AV and VM-30AVB 1:3 Audio/Video DA Features 5

Table 3: VM-30AV and VM-30AVB Technical Specifications 9

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 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

500-plus different models now appear in eight groups

that are clearly defined

by function.

Congratulations on purchasing your Kramer VM-30AV and/or VM-30AVB

1:3 Audio/Video DA.

The VM-30AV and/or VM-30AVB are ideal for the following applications:

Video/Audio duplication studios

Retail outlets and home theater systems

The package includes the following items:

VM-30AV and/or VM-30AVB 1:3 Audio/Video DA

Power adapter (12V DC input)

This user manual

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

2.1 Quick Start

This quick start chart summarizes the basic setup and operation steps.

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:

Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;

GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors

2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

Overview

3 Overview

The VM-30AV and/or VM-30AVB 1:3 Audio/Video DA are high

performance 1:3 distribution amplifiers for video and stereo audio signals.

The VM-30AV and/or VM-30AVB accept one input

and distribute the

signal to 3 identical outputs. Video signals transmit via:

RCA connectors on the VM-30AV

BNC connectors on the VM-30AVB

Both the VM-30AV and/or VM-30AVB include:

RCA connectors for stereo audio signals

Extra wide video bandwidth of 430MHz that allows for high-resolution

data/video signals, SDI (serial digital) video and other specialized signals

An audio level control knob

Front panel cable EQ (equalization) and video level trimmer controls

Achieving the best performance means:

Connecting only good quality connection cables, thus avoiding

interference, deterioration in signal quality due to poor matching, and

elevated noise levels (often associated with low quality cables)

Avoiding interference from neighboring electrical appliances that may

adversely influence signal quality and positioning your Kramer

VM-30AV or VM-30AVB in a location free from moisture and away

from excessive sunlight and dust

Caution – No operator-serviceable parts inside unit.

Warning – Use only the Kramer Electronics input power

wall adapter that is provided with this unit

Warning – Disconnect power and unplug unit from wall

before installing or removing device or servicing unit.

1 Typically, a composite video source (such as VCR or camera)

2 For example: model number AD2512C, part number 2535-000251

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your Audio/Video DA

4 Your Audio/Video DA

Figure 1 illustrates the front and rear panels of the VM-30AV:

12VDC

70mA

Figure 1: VM-30AV 1:3 Audio/Video DA

Figure 2 illustrates the front and rear panels of the VM-30AVB:

Figure 2: VM-30AVB 1:3 Audio/Video DA

Using Your Audio/Video DA

Table 1 and Table 2 define the front and rear panels of the VM-30AV and the

VM-30AVB, respectively.

Table 1: Front Panel VM-30AV and VM-30AVB 1:3 Audio/Video DA Features

# Feature Function

1 POWER Switch Illuminated switch supplying power to the unit

2 AUDIO LEVEL Knob Adjusts the audio output signal level

3 EQ. Trimmer Adjusts

the video EQ. (equalization) compensation

VIDEO

LEVEL Trimmer

Adjusts

the video signal level

Table 2: Rear Panel VM-30AV and VM-30AVB 1:3 Audio/Video DA Features

# Feature Function

5 INPUT

Connects to the video source

VIDEO

OUT

VM-30AV: RCA Connectors

VM-30AVB: BNC Connectors Connects to the video acceptor (from 1 to 3)

7 INPUT (L) Connects to the left audio source

8 INPUT (R) Connects to the right audio source

9 OUT (L) Connects to the left audio acceptor (from 1 to 3)

AUDIO RCA

Connectors

OUT (R) Connects to the right audio acceptor (from 1 to 3)

11 12 VDC +12V DC connector for powering the unit

5 Using Your Audio/Video DA

Section 5.1 describes how to connect a VM-30AV/B

. Section 5.2 describes

how to configure a 1:3 Audio/Video DA for component video (YUV) or

RGB. You can also use the VM-30AV/B,with its very high frequency, to

process SDI (serial digital interface) video.

5.1 Connecting your VM-30AV/B

To connect

the VM-30AV/B 1:3 Audio/Video DA, as the example in Figure

3 illustrates, do the following:

1. Connect a composite video source (for example, a composite video player) to

the VIDEO INPUT connector

and to the left and right AUDIO INPUT RCA

connectors.

2. Connect

the 3 VIDEO OUT connectors

and the left and right AUDIO OUT

RCA connectors to the audio video acceptors (for example, composite video

recorders).

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

2 From this section on, both machines are referred to as VM-30AV/B

3 Switch OFF the power on each device before connecting it to your VM-30AV/B. After connecting your VM-30AV/B,

switch on its power and then switch on the power on each device

4 RCA connectors for VM-30AV and BNC connectors for VM-30AVB

5 As required. Not all the outputs need to be connected

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your Audio/Video DA

3. Connect the 12V DC power adapter to the power socket and connect the

adapter to the mains electricity (not shown in Figure 3).

4. Adjust the audio level and the video EQ. and video level, as required.

Figure 3: VM-30AV 1:3 Audio/Video DA Connection

Using Your Audio/Video DA

5.2 Configuring a 1:3 Audio/Video DA for Component (YUV) or RGB

To configure a 1:3 Audio/Video DA for component (YUV) or RGB by

combining three VM-30AV/B units, as illustrated in the example in Figure 4,

do the following.

Connect

the 1:3 Audio/Video DA for component (YUV) or RGB, as follows:

1. Connect the RGB source, by connecting:

The R cable to the first unit’s INPUT connector

The G cable to the second unit’s INPUT connector

The B cable to the third unit’s INPUT connector

2. Connect the first RGB acceptor, by connecting the OUT 1 connector from the:

First unit to the R cable

Second unit to the G cable

Third unit to the B cable

3. Connect the second RGB acceptor, by connecting the OUT 2 connector

from

the:

First unit to the R cable

Second unit to the G cable

Third unit to the B cable

4. Connect the third RGB acceptor, by connecting the OUT 3 connector from the:

First unit to the R cable

Second unit to the G cable

Third unit to the B cable

5. Connect the audio source and acceptors, as required.

6. On each VM-30AV/B unit, connect the 12V DC power adapter to the power

socket and connect the adapter to the mains electricity.

7. Adjust the audio level and the video EQ. and video level, as required, on the

front panel on the first VM-30AV/B unit.

This adjusts the levels on the combined 3 VM-30AV/B units.

1 Switch OFF the power on each device before connecting it to your VM-30AV/B units. After connecting your VM-30AV/B

units, switch on the power on each of the VM-30AV/B units and then switch on the power on each device

2 Not illustrated in Figure 4

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your Audio/Video DA

…

RGB 3 RGB 1

RGB INPUT

B INPUT

G INPUT

R INPUT

R3 OUT

G3 OUT

B3 OUT

R1 OUT

G1 OUT

B1 OUT

OUTPUTS

Figure 4: Configuring a 1:3 Audio/Video DA for Component (YUV) or RGB

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