Kramer VP-427A User manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

VP-427A

HDBaseT to HDMI+Audio

Receiver/Scaler

P/N: 2900-300425 Rev 1

VP-427A – 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 VP-427A HDBaseT to HDMI+Audio Receiver/Scaler 5

4Connecting the VP-427A 6

4.1 RS-232 Control Over HDBaseT 7

4.2 IR Control Over HDBaseT 8

5Operating the VP-427A 9

5.1 Operating the VP-427A from the Front Panel Buttons 9

5.2 Using the OSD 9

6Technical Specifications 13

6.1 Input Resolutions Support 13

Figures

Figure 1: VP-427A HDBaseT to HDMI+Audio Receiver/Scaler 5

Figure 2: Connecting the VP-427A HDBaseT to HDMI+Audio Receiver/Scaler 7

VP-427A - 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 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 VP-427A HDBaseT to HDMI+Audio

Receiver/Scaler, which is ideal for the following typical applications:

Home theater, presentation and multimedia applications

Rental and staging

VP-427A - 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 VP-427A 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.

VP-427A - 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/.

VP-427A - Overview

3 Overview

The Kramer VP-427A is a receiver/scaler for HDBaseT twisted pair, HDMI,

bidirectional RS-232 and IR signals. The unit receives an HDBaseT signal that it

converts to HDMI, IR and passed RS-232 signals. It up- or down-scales the picture

to match the resolution of the HDMI monitor.

The VP-427A also features:

An HDBaseT input

An HDMI output

A bidirectional RS-232 port for embedding/de-embedding control commands

in the HDBaseT data stream

Infrared input and output ports for controlling devices over the HDBaseT data

stream

Embedded audio supporting LPCM 2CH

Maintains constant sync on the output, even when the input video signal is

lost or interrupted

A simultaneous analog audio output of the embedded HDMI audio

System range of up to 70m (230ft).

A built-in ProcAmp for convenient signal adjustment

An On-Screen Display (OSD) for easy setup and adjustment, accessible via

the front-panel buttons

A non-volatile memory that retains the last settings used

A freeze button

A USB connector for firmware upgrading

The machine is fed from an external 5V DC source, making it suitable for field

operation.

VP-427A - Overview

3.1 Defining the VP-427A HDBaseT to HDMI+Audio

Receiver/Scaler

This section defines the VP-427A.

Figure 1: VP-427A HDBaseT to HDMI+Audio Receiver/Scaler

Feature

Function

ON LED

Lights green when the unit is powered on

MENU Button

Press to enter/escape the on-screen display

(OSD) menu. Press together with the –button to

reset to 720p

ENTER Button

In OSD, press to choose the highlighted menu

item. Press together with the + button to reset to

XGA

–

In OSD, press to move backward through the list

or to decrement the parameter value

+/FREEZE Button

In OSD, press to move forward through the list or

to increment the parameter value. When not in

OSD, press to freeze the display

PROG USB Connector

Connects to a PC for programming upgrade

HDBT IN RJ-45 Connector

Connects to an HDBaseT transmitter

AUDIO OUT 3.5mm Mini Jack

Connects to an unbalanced stereo acceptor

HDMI OUT Connector

Connects to an HDMI acceptor

IR IN 3.5mm Mini Jack

Connects to an IR receiver

IR OUT 3.5mm Mini Jack

Connects to an IR emitter

RS-232 9-pin D-sub Connector

Connects to a controller

5V DC

+5V DC connector for powering the unit

VP-427A - Connecting the VP-427A

4 Connecting the VP-427A

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

VP-427A. After connecting your VP-427A, connect its power and then

switch on the power to each device.

To connect the VP-427A as illustrated in the example in Figure 2:

1. Connect the output from an HDBaseT transmitter (for example, a TP-582T)

to the HDBT IN RJ-45 connector.

2. Connect the AUDIO OUT 3.5mm mini jack connector to an unbalanced

stereo audio acceptor (for example, an amplifier).

3. Connect the HDMI OUT connector to an HDMI acceptor (for example, a

display).

4. Connect an IR receiver to the IR IN 3.5mm mini jack.

5. Connect the IR OUT 3.5mm mini jack to an IR emitter.

6. Connect the RS-232 9-pin D-sub connector to an RS-232 port (for example,

a display).

7. Connect the 5V DC power adapter to the power socket and connect the

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

VP-427A - Connecting the VP-427A

Figure 2: Connecting the VP-427A HDBaseT to HDMI+Audio Receiver/Scaler

4.1 RS-232 Control Over HDBaseT

You can connect to the transmitter/receiver system via an RS-232 connection

using, for example, a PC. Note that a null-modem adapter/connection is not

required.

To connect a PC via RS-232, connect the RS-232 9-pin D-sub rear panel port on

the transmitter/receiver system unit via a 9-wire straight cable (only pin 2 to pin 2,

pin 3 to pin 3, and pin 5 to pin 5 need to be connected) to the RS-232 9-pin D-sub

port on your PC.

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