Kramer VP-481 Manuel utilisateur

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

VP-481

DVI to 3G HD-SDI Scaler

P/N: 2900-300008 Rev 4

VP-481 – Contents i

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

3Overview 3

4Defining the VP-481 DVI to 3G HD-SDI Scaler 4

5Connecting the VP-481 DVI to 3G HD-SDI Scaler 6

6Operating the VP-481 DVI to 3G HD-SDI Scaler 7

6.1 Using the Front Panel Buttons 7

6.2 Using the OSD 7

7Technical Specifications 11

Figures

UFigure 1: VP-481 DVI to 3G HD-SDI Scaler Front PanelU4

UFigure 2: VP-481 DVI to 3G HD-SDI Scaler Rear PanelU5

UFigure 3: Connecting the VP-481 DVI to 3G HD-SDI ScalerU6

VP-481 - 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 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 1,000-plus different models now appear in 11 groups that are clearly defined

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix

Switchers; 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 VP-481 DVI to 3G HD-SDI Scaler

which is ideal for the following typical applications:

•Broadcast studios for scaling and conversion from DVI sources

•Scaling to 3G HD-SDI for rental and staging events

•Format conversion and scaling

2 VP-481 - 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

•Use Kramer high performance high resolution cables

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 to avoid interference, deterioration

in signal quality due to poor matching, and elevated noise levels (often

associated with low quality cables)

•Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

•Position your Kramer VP-481 away from moisture, excessive sunlight and

dust

Caution: 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

VP-481 - Overview 3

3 Overview

The Kramer VP-481 DVI to 3G HD-SDI Scaler is a high-performance digital scaler

for signals up to 3G HD-SDI. It up-scales and down-scales DVI/HDMI signals up to

WUXGA and 1080p resolutions to SDI, HD-SDI and 3G HD-SDI. The following

input resolutions are supported:

•PC: SVGA, XGA, 1360x768, WXGA, SXGA, 1440x900, SXGA+, WSXGA+,

UXGA, WUXGA, 720x576 @50, 720x480 (NTSC), 1280x720 @50/60

(HD 720), 1920x1080 @50/60 (HD 1080)

•SDTV: 480p and 576p

•HDTV: 720p @50/60Hz, 1080i @50/60Hz and 1080p @50/60Hz

The VP-481 also features:

•A maximum data rate of 3Gbps

•Multi-standard operation: SDI (SMPTE 259M), HD-SDI (SMPTE 292M) and

3G HD-SDI (SMPTE 424M)

•An OSD (On-screen Display) accessible via the front panel buttons for easy

setup and adjustment

•A built-in ProcAmp for convenient signal adjustment

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

•A freeze button

•A DVI/HDMI video input

•Two SDI outputs (up to 3G HD-SDI)

•S/PDIF digital and unbalanced stereo audio inputs

•An external 5V DC source, making it suitable for field operation

•Operation directly via the front panel push buttons and the OSD

4 VP-481 - Defining the VP-481 DVI to 3G HD-SDI Scaler

4 Defining the VP-481 DVI to 3G HD-SDI Scaler

Figure 1defines the front panel of the VP-481.

Figure 1: VP-481 DVI to 3G HD-SDI Scaler Front Panel

VP-481 Front Panel Features

# Feature Function

1 ON LED Lights green when the unit is powered on

2 INPUT LED Lights blue when a DVI/HDMI signal is detected on the input

3 MENU Button Press to display the OSD (On-screen Display) menu.

When the OSD is not displayed, press together with the – button to

set the output resolution to 720p (1280x720)

4 ENTER

Button

In the OSD, press to select the highlighted menu item.

When the OSD is not displayed, press together with the + button to

set the output resolution to 1080p (1920x1080)

5 – Button In the OSD, press to step up through the options or to decrement the

parameter value

6 + / FREEZE

Button

In the OSD, press to step down forward through the options or to

increment the parameter value.

When the OSD is not displayed, press to freeze the display

VP-481 - Defining the VP-481 DVI to 3G HD-SDI Scaler 5

Figure 2defines the rear panel of the VP-481.

Figure 2: VP-481 DVI to 3G HD-SDI Scaler Rear Panel

VP-481 Rear Panel Features

# Feature Function

1 DVI/HDMI Connector Connect to the DVI/HDMI source

The HDMI source must not have HDCP encryption. When

copy protection is detected, the output of the device is

disabled

AUDIO INPUTS Audio

Input Connectors

S/PDIF RCA Connector

3 LEFT Channel Unbalanced Stereo Audio RCA Connector

4 RIGHT Channel Unbalanced Stereo Audio RCA

Connector

5 SDI OUT 1 and 2 BNC

Connectors

Connect to the SDI acceptors. The signal is re-clocked

and equalized

6 5V DC Connect to the +5V DC power adapter, center pin positive

6 VP-481 - Connecting the VP-481 DVI to 3G HD-SDI Scaler

5 Connecting the VP-481 DVI to 3G HD-SDI

Scaler

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

VP-481. After connecting your VP-481, connect its power and then

switch on the power to each device.

Figure 3: Connecting the VP-481 DVI to 3G HD-SDI Scaler

To connect the VP-481 as illustrated in the example in Figure 3:

1. Connect the DVI/HDMI source (for example, a multimedia player) to the

DVI/HDMI IN DVI connector.

2. Connect the unbalanced stereo audio source (for example, an audio player)

to the AUDIO INPUTS LEFT and RIGHT RCA connectors.

3. Connect the SDI OUT BNC connectors to the SDI acceptors (for example, a

display and an SDI VTR).

4. Connect the power adapter to the 5V DC power socket and to the mains

electricity (not shown in Figure 3).

VP-481 - Operating the VP-481 DVI to 3G HD-SDI Scaler 7

6 Operating the VP-481 DVI to 3G HD-SDI

Scaler

The VP-481 is operated directly via the front panel buttons and via the OSD menu.

6.1 Using the Front Panel Buttons

During normal operation (without the OSD), the front panel buttons perform in the

following manner:

•MENU: Displays the OSD Main Menu (see Section 6.2

•FREEZE: Freezes the display. Press a second time to unfreeze the display

). Press a second

time to close the OSD

•MENU and –: Press together to set the output to 720p (1280x720)

•ENTER and FREEZE: Press together to set the output to 1080p

(1920x1080)

6.2 Using the OSD

The OSD is used to set a variety of parameters.

When using the OSD, the front panel buttons operate in the following manner:

•MENU: Opens the OSD main menu (see Section 6.2

•ENTER: Selects the highlighted menu item or parameter

). Press a second time

to close the OSD

•– : Steps up through the menu list or decrements the parameter value

•+ : Steps down through the menu list or increments the parameter value

Note: After a preset period with no button activity, the OSD menu times-out

automatically (see Section 6.2.4

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