K R A ME R E LE CT R O N IC S L TD .
Contents 1 Introduction 1 2 2.1 2.2 2.3 3 3.1 Getting Started Achieving the Best Performance Safety Instructions Recycling Kramer Products Overview Defining the VP-427 HDBaseT to HDMI Receiver/Scaler 2 2 3 3 4 5 4 Connecting the VP-427 6 5 5.1 5.2 Operating the VP-427 Operating the VP-427 from the Front Panel Buttons Using the OSD 8 8 8 6 6.
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.
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 i 2.1 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).
2.2 Safety Instructions ! 2.3 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 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.
3 Overview The Kramer VP-427 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.
3.1 Defining the VP-427 HDBaseT to HDMI Receiver/Scaler This section defines the VP-427. Figure 1: VP-427 HDBaseT to HDMI Receiver/Scaler # Feature Function 1 ON LED Lights green when the unit is powered on 2 MENU Button Press to enter/escape the on-screen display (OSD) menu. Press together with the – button to reset to 720p 3 ENTER Button In OSD, press to choose the highlighted menu item.
4 Connecting the VP-427 i Always switch off the power to each device before connecting it to your VP-427. After connecting your VP-427, connect its power and then switch on the power to each device. To connect the VP-427 as illustrated in the example in Figure 2: 1. Connect the output from an HDBaseT transmitter (for example, an TP-582T) to the HDBT IN RJ-45 connector. 2. Connect the HDMI OUT connector to an HDMI acceptor (for example, a display). 3. Connect an IR receiver to the IR IN 3.5mm mini jack.
Figure 2: Connecting the VP-427 HDBaseT to HDMI Receiver/Scaler VP-427 - Connecting the VP-427 7
5 Operating the VP-427 The VP-427 is operated directly using the front panel buttons and the OSD menu (see Section 5.2). 5.1 Operating the VP-427 from the Front Panel Buttons During normal operation (without the OSD), the front panel buttons perform the following functions: Pressing MENU opens the on-screen display (OSD) main menu (see Section 5.2), the next press closes the OSD Pressing +/FREEZE freezes the display, the next press unfreezes the display 5.
As an example of setting 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.
Main Menu Output Values Native 480p 570p 720p 1080i 1080p 640x480 800x600 1024x768 1280x800 1280x1084 1360x768 1400x1050 1440x900 1600x1200 1680x1050 1920x1200 Notes Select the desired resolution (Native is recommended) Refresh Rate 60Hz 50Hz Follow Select that the output refresh rate follows the input refresh rate (recommended), or force it to 50Hz or 60Hz HD Output Color RGB YPbPr Select the output colorspace H-Position 0-100 Adjusts the horizontal position of the OSD on the screen V-Position
Main Menu Advanced Submenu Auto Sync Off Notes Turns ON/OFF the auto sync. When ON, after a short period of not detecting a valid video signal on the input(s), the unit disables the two outputs until a valid input is again detected or any keypad is pressed HDCP on Input On Off Selects the HDCP option for the HDMI input: either ON (the default) or OFF.
6 Technical Specifications INPUTS: 1 HDBaseT twisted pair on an RJ-45 connector, 1 IR on a 3.5mm mini jack OUTPUTS: 1 HDMI connector, 1 IR on a 3.5mm mini jack PORTS: 1 bidirectional RS-232 port on a 9-pin D-sub connector OUTPUT RESOLUTIONS: Native 1080p 1280x800 1440x900 OUTPUT REFRESH RATE: 60Hz for computer graphics resolutions, 50/60Hz for HDTV resolutions LATENCY: 30ms (approx.
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.
