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KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
VP-424
HDMI to HDMI Scaler
P/N: 2900-000765 Rev 2
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VP-424 – Contents
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Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
2.2 Safety Instructions 2
2.3 Recycling Kramer Products 3
3 Overview 4
3.1 Defining the VP-424 HDMI to HDMI Scaler 5
4 Connecting the VP-424 6
5 Controlling the VP-424 7
5.1 Using the OSD Menu 7
6 Firmware Upgrade 10
7 Technical Specifications 11
7.1 Input Resolutions Support 11
Figures
Figure 1: VP-424 HDMI to HDMI Scaler Front Panel 5
Figure 2: Connecting the VP-424 6
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VP-424 - Introduction
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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 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 VP-424 HDMI to HDMI Scaler. This
product, which incorporates HDMI™ technology, is ideal for:
Projection systems in conference rooms, boardrooms, hotels and churches
Home theater up-scaling
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VP-424 - 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-424 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.
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
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VP-424 - Getting Started
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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/.
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VP-424 - Overview
3 Overview
The Kramer VP-424 HDMI to HDMI Scaler is a high-performance digital scaler for
HDMI signals. It up- or down-scales HDMI signals to an HDMI output signal.
The VP-424 HDMI to HDMI Scaler features:
A maximum resolution of up to WUXGA and 1080p
A built-in ProcAmp for convenient signal adjustment
An On-Screen Display (OSD) for easy setup and adjustment, accessible via
the front-panel buttons
HDTV compatibility
HDCP compliance
A built-in ProcAmp for convenient adjustment of color, sharpness, brightness,
contrast, and so on
Digital noise reduction
A non-volatile memory that retains the last settings used
Multiple aspect ratio selections
A USB port for firmware upgrade
A freeze button
An external 5V DC power source, making it suitable for field operation
Housing in a compact MegaTOOLS™ enclosure, that enables two units to
be rack mounted side-by-side in a 1U rack space with the optional RK-T2B
rack adapter
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VP-424 - Overview
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3.1 Defining the VP-424 HDMI to HDMI Scaler
This section defines the VP-424.
Figure 1: VP-424 HDMI to HDMI Scaler Front Panel
#
Feature
Function
1
ON LED
Lights green when the unit is powered on
2
INPUT LED
Lights blue when an HDMI signal is detected on the input
3
MENU Button
Press to enter/exit the on-screen display (OSD) menu.
Press together with the – button to reset to 720p
4
ENTER Button
In the OSD, press to choose the highlighted menu item.
Press together with the + button to reset to XGA
5
– Button
In the OSD, press to move backward through the list or to
decrement the parameter value
6
+/FREEZE button
In the OSD, press to move forward through the list or to
increment the parameter value.
When not in the OSD, press to freeze the display
7
PROGRAM USB Connector
For programming the unit
8
HDMI IN Connector
Connects to an HDMI source
9
HDMI OUT Connector
Connects to an HDMI acceptor
10
5V DC
+5V DC connector for powering the unit
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VP-424 - Connecting the VP-424
4 Connecting the VP-424
Always switch off the power to each device before connecting it to
your VP-424. After connecting your VP-424, connect its power and
then switch on the power to each device.
To connect the VP-424, as illustrated in the example in Figure 2, do the following:
1. Connect an HDMI source (for example, a DVD player) to the HDMI IN
connector.
2. Connect the HDMI OUT connector to an HDMI acceptor (for example, a
plasma display).
3. Connect the 5V DC power adapter to the power socket and connect the
adapter to the mains electricity (not shown in Figure 2).
Figure 2: Connecting the VP-424
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VP-424 - Controlling the VP-424
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5 Controlling the VP-424
The VP-424 can be controlled via the OSD menu (see Section 5.1) using the front
panel MENU, ENTER, -, and + buttons (reset to XGA/720p buttons). Toggle the
Freeze button to freeze the image on the display.
5.1 Using the OSD Menu
Press the menu button to enter or exit from the OSD menu. While the OSD menu is
open, you can use the front panel buttons to perform the following functions. Press the:
+ and – buttons to move up and down through the menu items and
increment or decrement the parameter values
ENTER button to select and activate a menu item or accept the parameter
value set
MENU button to close the OSD menu
Here is an example of how to set the parameters, to increase the contrast on the
display:
1. From normal operation, press MENU.
The OSD main menu appears on the screen.
2. Press the + or – button to highlight CONTRAST.
CONTRAST changes to green when highlighted.
3. Press ENTER.
The contrast value parameter changes to red.
4. Press the + button to increase the value (increase the contrast) or
the – button to decrease the value (decrease the contrast).
The value ranges from 0 to 100.
5. Press ENTER to set the value.
The contrast value parameter changes back to white.
6. To return to normal operation, highlight EXIT and press ENTER; press
MENU; or wait until the menu times out.
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VP-424 - Controlling the VP-424
5.1.1 The MAIN MENU
Mode
Function
PICTURE
CONTRAST – set the contrast
BRIGHTNESS – set the brightness
SATURATION – set the saturation
HUE – set the hue
SHARPNESS – set the sharpness
RESET PICTURE – reset all the picture parameters to their default
value
ASPECT RATIO
FULL, 16:9, 4:3 or BEST FIT
OVER SCANNING
OFF, 5%, 10%, 15% or 20%
NOISE REDUCTION
OFF, MIN, TYP or MAX
OUTPUT
Select an output resolution from the menu (default 720p):
Output resolution:
Appears as:
Output resolution:
Appears as:
Native
1280x800
1280x800
480p
480P
1280x1024
SXGA
576p
576P
1360x768
WXGA
720P
720P
1400x1050
1400x1050
1080i
1080I
1440x900
WSXGA
1080p
1080P
1600x900
1600x900
640x480
VGA
1600x1200
UXGA
800x600
SVGA
1680x1050
1680x1050
1024x768
XGA
1920x1200(RB)
WUXGA
NATIVE – Set to Native to select the output resolution from the EDID of the
connected HDMI monitor
HD OUTPUT COLOR
Select the HD output colorspace: RGBHV or YPbPr
REFRESH RATE
Select the output refresh rate: 60Hz, 50Hz or FOLLOW (follow the
input refresh rate)
OSD SETTINGS
Set the OSD parameters: H Position, V Position, Timeout
Transparency and Display (see Section 5.1.2)
ADVANCED
AUTO SYNC OFF: Turn the auto sync ON/OFF. When ON, this deactivates the output after a few minutes if no input is present.
This is useful, for example, when the output is connected to a projector,
and the projector will automatically shut down when it has no input
HDCP ON INPUT: Select the HDCP option for the HDMI input: either
ON (the default) or OFF.
Setting HDCP support to disabled (OFF) on the HDMI input allows the
source to transmit a non-HDCP signal if required (for example, when
working with a Mac computer)
FREEZE: Set the front panel FREEZE button behavior to FREEZE
ONLY, FREEZE&MUTE or MUTE ONLY
FACTORY DEFAULT
Resets to the default parameters (resolution is set to XGA or 720p)
If you cannot see the display after factory reset, use the front panel buttons
to set the correct resolution (as indicated on the panel):
To reset to XGA, press the FREEZE (+) and ENTER buttons
simultaneously for about 2 seconds To reset to 720p, press the – and
MENU buttons simultaneously for about 2 seconds
INFORMATION
Displays the input resolution, output resolution and the software version
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VP-424 - Controlling the VP-424
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5.1.2 The OSD Menu
Parameter
Function
H POSITION
Set the horizontal position of the OSD
V POSITION
Set the vertical position of the OSD
TRANSPARENCY
Set the OSD background between 0 (transparent) and 15 (gray
background)
MENU TIMEOUT
Set the OSD timeout period in seconds (from 5 to 50 or OFF)
INFO TIMEOUT
Set the INFO screen timeout period in seconds (from 5 to 50 or OFF)
INFO DISPLAY
Select the information shown on the screen during operation:
ON - the information is shown permanently
OFF - the information is not shown
INFO - the information is shown for a few seconds
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VP-424 - Firmware Upgrade
6 Firmware Upgrade
To upgrade the VP-424 firmware:
1. Copy the new firmware from the Kramer Web site at
http://www.kramerelectronics.com/support/downloads.asp to your computer.
2. Disconnect the power to the device.
3. Connect the USB cable to your PC.
4. Press and hold the menu button and plug in the power supply
simultaneously.
5. Keep the Menu button pressed for 3 more seconds and then release
6. Open "My Computer".
The device will appear as a removable disk.
7. Copy and then paste the FW file to the device.
8. When the copying process is complete, use the Windows “Safely Remove
Storage Device” utility to disconnect the device/drive from the PC.
9. Disconnect the power.
10. Reconnect the power and make sure that the device functions properly.
11. In the OSD INFORMATION menu, check that the upgraded firmware version
is correct.
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VP-424 - Technical Specifications
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7 Technical Specifications
INPUT:
1 HDMI connector
OUTPUT:
1 HDMI connector
OUTPUT RESOLUTIONS:
Native, 480p, 576p, 720P, 1080i, 1080p, 640x480, 800x600,
1024x768, 1280x800, 1280x1024, 1360x768, 1400x1050,
1440x900, 1600x900, 1600x1200, 1680x1050, and
1920x1200(RB)
OUTPUT REFRESH RATE:
60Hz for computer graphics resolutions, 50/60Hz for HDTV
resolutions, follow input
PROCESSING DELAY:
20ms
CONTROLS:
Front panel buttons, ON and INPUT LEDs
POWER SOURCE:
5.2V DC, 630mA
OPERATING
TEMPERATURE:
0° to +40°C (32° to 104°F)
STORAGE
TEMPERATURE:
-45° to +72°C (-49° to 162°F)
HUMIDITY:
10% to 90%, RHL non-condensing
DIMENSIONS:
18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 0.9") W, D, H
WEIGHT:
0.66kg (1.45lbs) approx.
ACCESSORIES:
Power supply
OPTIONS:
RK-T2B 19" rack adapter
Specifications are subject to change without notice
Go to our Web site at http://www.kramerelectronics.com to access the list of resolutions
7.1 Input Resolutions Support
Resolution/Refresh Rate
Resolution/Refresh Rate
480I/576I(NTSC/PAL)
SXGA@(60)
480P/576P
UXGA@60
720P@(60/50)
WXGA@60(1280x800)
1080I@(60/50)
WXGA@60(1366x768)
1080P@(60/50)
WSXGA@60(1680x1050)
1080P@(24/25/30)
WUXGA@60(1920x1200 RB)
VGA@(60/72/75)
WXGA+@60(1440x900)
SVGA@(56/60/72/75)
SXGA+@60(1400x1050)
XGA@(60/70/75)
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VP-424 - Technical Specifications
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For the latest information on our products and a list of Kramer distributors,
visit our Web site where updates to this user manual may be found.
We welcome your questions, comments, and feedback.
Web site: www.kramerelectronics.com
E-mail: info@kramerel.com
P/N:
2900-000765
Rev:
2
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SAFE TY WARNI NG
Disconnect the unit from the power
supply before opening and servicing
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