Kramer VP-481 User manual

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
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
i
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
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
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
2
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
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
).