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Kramer VP-794 User Manual

Scaler-switcher
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KRAMER ELECT RONI CS LT D.

USER MANUAL

MODEL:
VP-794
Scaler-Switcher

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Summary of Contents for Kramer VP-794

  • Page 1: User Manual

    KRAMER ELECT RONI CS LT D. USER MANUAL MODEL: VP-794 Scaler-Switcher...

  • Page 2: Operating Instructions

    IMPORTANT NOTICE: When using extreme shrink to drive a single or few LED videowall modules the On Screen Display menu of VP-794 may become hardly readable. For this reason there is a front panel LCD display menu and an integrated Web server. Kramer provides a DiscoveryTool.exe to identify TCP/IP addresses of VP-794 units needed for Web browser control.
  • Page 3 This manual explains how to operate your VP-794 scaler-switcher. VP-794 is designed to provide users with a powerful and flexible method of driving large Projection or LED display devices. If you have any queries relating to this or any other product supplied by Kramer visit our Web site www.kramerelectronics.com For technical support e-mail tech@kramerel.com...

  • Page 4: Table Of Contents

    Contents SAFETY WARNING: INTRODUCTION 1.1. General Introduction 1.2. Packing List VP-794 SYSTEM DESCRIPTION 2.1. Product Overview 2.2. Product Specification 2.2.1. Power Supply Requirement 2.2.2. Video Inputs 2.2.3. Component Video Inputs 2.2.4. 3G-SDI Input 2.2.5. Computer (SVGA) Inputs VESA formats 2.2.6.
  • Page 5 3.12.1. Auto Zoom 3.12.2. Units Wide and Units High 3.12.3. Horizontal Pos and Vertical Pos 3.12.4. Blend Width 3.12.5. Blend Curve Type 3.12.6. Black-Level Uplift 3.12.7. Reduce Black-Level Uplift Width 3.13. Enhancement 3.13.1. Sharpness 3.13.2. Detail 3.13.3. Video Filters 3.13.4. Flicker Filter 3.14.

  • Page 6: Safety Warning

    SAFETY WARNING: THERE ARE NO USER SERVICEABLE PARTS WITHIN THE UNIT. REMOVAL OF THE TOP COVER WILL EXPOSE DANGEROUS VOLTAGES. DO NOT OPERATE THE UNIT WITHOUT THE TOP COVER INSTALLED. ENSURE THAT ALL ELECTRICAL CONNECTIONS (INCLUDING THE MAINS PLUG AND ANY EXTENSION LEADS) ARE PROPERLY MADE AND COMPLY WITH ELECTRICAL SAFETY REGULATIONS.

  • Page 7: Introduction

    Interlaced outputs are supported, there is a vertical temporal filter facility which greatly reduces interlace flicker. VP-794 supports Pan, Tilt and Zoom to select a ‘region of interest’ portion of the input image, fill the screen and pan and tilt within it.

  • Page 8: Packing List

    Additionally a free API manual is published on our Website to allow the use of the LAN or RS232 remote control ports. www.kramerelectronics.com 1.2. Packing List VP-794 is supplied with the following: 1) This manual 2) 3 pin plug IEC mains cable 3) DVI-D output cable 4) CD (documentation and PC tools)

  • Page 9: Vp-794 System Description

    VP-794 SYSTEM DESCRIPTION 2.1. Product Overview VP-794 is designed to accept the following input signals:  Composite video via BNC  Composite video via RCA  S-Video via 4-way miniDIN  YPbPr or RGBS SD, ED, HD component video via 3 or 4 BNC connectors ...

  • Page 10: Hdmi & Dvi Inputs

    DOS, VGA – WUXGA up to 165 MHz pixel clock 2.2.7. Audio Output Audio is embedded in HDMI and SDI video streams and brought into the VP-794 through the respective input channels. The audio is passed through the system and re-embedded into the HDMI and SDI output signals.

  • Page 11: Display Output

    The DVI-D connector will support HDMI with 36-bit video and audio formats when connected to a suitable HDMI receiver. The color depth of the HDMI signal is determined by the set-up of VP-794 and the capabilities of the monitor. The bit depth per color channel is displayed in the output section of the menu system The 3G-SDI BNC output supports the same formats as accepted by the 3G-SDI input.
  • Page 12 The following output modes can be set up: (HFP/VFP: horizontal and vertical front porch, HBP/VBP: horizontal and vertical front porch, HS/VS: horizontal and vertical sync, HTot/VTot: horizontal and vertical total pixels) Hor Pix Ver Pix HTot VTot Hor Freq Ver Freq Pix Clock Specification 31.47...

  • Page 13: Vp-794 Control

    3.1. Menu Tree VP-794 has an On-Screen-Display (OSD) menu and a front panel LCD to control the unit. The (OSD) menu can be switched ON or OFF. The same menu structure is also available through a Web browser allowing control from a PC.

  • Page 19: Lcd Panel

    3.1.2. LCD panel Level Level Level Level >Input S-VIDEO >Display Type > >Display Projector Output > Gamma/Color/Crush > O/P Mode 720p Color > Output Config > Location Front TT Geometry > Output Window Size> Frame Rate 60 Hz Multiple Unit >...
  • Page 20 Exit > >Auto Zoom >L Blend Reg Units Wide R Blend Reg Units High T Blend Reg H-Position B Blend Reg V-Position R Blend Reg Blend Width > L Blend Off Blend Curve Type > R Blend Off Black-Level Uplift> T Blend Off Exit >...
  • Page 21 Test Pattern Setup> Switching Freeze Exit > >DVI-I Port Digital Boost DVI EQ DVI EDID DVI only DVI Colspace Auto DVI Range Auto HDMI Colspace Auto HDMI Range Auto HDCP Input Exit > >3G Level B Stream 1 Audio Map Stereo12 SDI Audio HDMI &...

  • Page 22: Web Browser

    No extra software needs to be installed on a PC. The PC Web browser is used as the graphical user interface for all control items. To connect to the VP-794 the TCP/IP address of the unit has to be entered into the address list box of the Web browser in the following format http://xxx.xxx.xxx.xxx. The TCP/IP address assigned to VP-794 can be found in the System and Network Settings menu.

  • Page 23: Software Operation

    PC mouse or corresponding navigational key presses. To control VP-794 through a network start a Web Browser and enter the TCP/IP address of the unit in the address field of the browser. A “Loading Please Wait” message will appear in the browser window and the Web server of VP-794 will mirror the menu into the browser.
  • Page 24 Menu items can be lists, sliders or alpha numeric fields. A list item can be activated by moving the mouse pointer over the list item and clicking the left mouse button. The list comes up and an item can be selected by moving the mouse pointer to the desired value (ON or OFF) and clicking the left mouse button again.
  • Page 25 Test patterns can be created on a PC and uploaded to the VP-794 unit. Also, an alpha map can be loaded to VP-794. Details are outlined in section 4. VP-794 set-ups can be backed up to a PC and restored later through Web browser uploads.

  • Page 26: Introduction

    3.5. Introduction The front panel has keys and a jog wheel for OSD and local LCD menu navigation and direct keys for input channel selection. When applying power to the unit it starts up. This is indicated by the green ON LED flashing. Once the unit is operational, the ON LED is permanently on.
  • Page 27 The back panel features all input and output connectors, communication ports and the power supply connector. 9 10 11 1 – SD, HD-SDI, 3G-SDI input 2 – Composite Video 1 (RCA) and S-Video input 3 – Composite Video 2 (BNC) and Genlock input (BNC) 4 –...

  • Page 28: Main Menu

    VGA modes. The 6 sub menus are Output, Color, Geometry, Multiple Unit, Enhancement and System. On each menu page an Exit menu item is available to leave the menu or submenu. VP-794 also has a separate back key to leave a submenu.

  • Page 29: Output Mode

    Set to LCD/Plasma if you want only scaler functions and do not need the warp functions to be shown in the menu system. In this mode also the Flicker Filter becomes available. 3.8.2. Output Mode Settings: 640x480, 800x600, 1024x768, 1280x768, 1280x800, 1280x1024, 1400x1050, 1600x1200, 1920x1200, 480i, 576i, 480p, 576p, 1080i, 720p, 1080p Set up the desired output resolution with output mode.

  • Page 30: I/O Lock

    Settings: 0 to 255 in steps 1 Black Crush provides a coring function on the output stage of the VP-794. This allows low-level noise in dark areas to be clamped to black which can be useful on LED videowalls on which black level noise can be particularly noticeable as ‘sparkles’.

  • Page 31: Output Config

    It is recommended to use a setting between 0 and 16 and not more than 20. For most LED videowalls the optimum setting for Black Crush is between 8 and 20. For particularly noisy subject material 24 can be used but detail loss may occur in dark areas. If too high a setting is chosen, image solarization may be observed where dark image areas turn completely black or even change color.

  • Page 32: Color

    3.9. Color This is an INPUT channel menu containing adjustments associated with setting up inputs to the unit. 3.9.1. Black-Level Offset Settings: 0 IRE, 7.5 IRE Used to select 7.5 IRE black level set-up adjustment. Should always be set to 7.5 IRE for HDMI video and NTSC video inputs and should usually be OFF for PAL analog video inputs.

  • Page 33: Geometry

    16:9 input image. The area is rotated and scaled such that is fills a 9:16 screen. With PC application activated the VP-794 communicate with the PC tool Warp Generator. www.kramerelectronics.com Warp Generator allows you to define an arbitrary screen in live operation by projecting a grid on the surface and move the grid points to get a rectangular output.

  • Page 34: Picture Format

    3.10.4. Picture Format Settings: Standard, Full Screen, Crop, Anamorphic Picture Format allows a user to select the displayed aspect ratio where the signal input is different to the display panel’s natural aspect ratio. Note that some aspect ratios may not be applicable to all signal types, in which case selecting a non- applicable aspect ratio conversion will have no effect on the displayed image.

  • Page 35: Pip

    3.11. VP-794 can be rebooted in a single unit configuration in the System Menu. Then the multiple unit menu is replaced by a PiP menu. It contains adjustments associated with setting up source, position and size of a picture in picture video image.

  • Page 36: Multiple Unit

    Blend Width is set to zero.. Important: When using multiple VP-794 units to drive one single large screen, it is essential that all VP- 794 units are I/O locked, otherwise motion tear will be observed at the boundaries of the image processed by each VP-794 unit.

  • Page 37: Horizontal Pos And Vertical Pos

    The blend width menu provides sliders to set up the overlap region for left, right, top and bottom blend region. Note With the VP-794 model when changing the slider value from within the OSD the blend area is not updated ‘live’ immediately. An update is forced when pressing the menu/enter button, thus the slider is replaced by the menu.

  • Page 38: Black-Level Uplift

    3.12.6. Black-Level Uplift In LED mode: This should be set to zero In Projection mode: This enables the user to provide a black level uplift to compensate for the additional light leakage from multiple projectors in overlap regions. The black level uplift can be set for the 9 possible regions of the image.

  • Page 39: Flicker Filter

    Settings: USER 1, 2, 3, 4 A predefined setting stored under a user name can be selected. Several settings of the VP-794 can be stored under a user name. Thus, different users can store their preferred VP-794 settings and recall these profiles by picking up their user name from this menu.

  • Page 40: Display Mode

    For 3GSDI you can choose between LevelA and Level B type input modes. SDI audio input is routed to the HDMI and 3GSDI output connector by default. VP-794 can also be set to monitor audio on the SPDIF connector. SDI Audio on the HDMI and 3GSDI connector and SPDIF connector are mutually exclusive.

  • Page 41: Menu Settings

    Keypad unlocked. VP-794 has a menu to switch OFF the OSD menu. The LCD menu – which is a copy of the OSD menu – then serves to navigate the menu. Also, the backlight level of the LCD itself can be set in this menu.

  • Page 42: Remote Control Web Server

    No extra software needs to be installed on a PC. The PC Web browser is used as the graphical user interface for all control items. To connect to the VP-794 the TCP/IP address of the unit has to be entered into the address list box of the Web browser in the following format http://xxx.xxx.xxx.xxx. The TCP/IP address assigned to VP-794 can be found in the System>Network Settings menu.

  • Page 43: File Upload

    Test patterns can be created and stored on the PC. Four such custom test patterns can be uploaded to and stored by the VP-794 unit. Each of the test patterns in the four slots can be deleted and replaced by another test pattern.

  • Page 44: Firmware Update

    FIRMWARE UPDATE 5.1. Introduction VP-794 has a USB port which allows a PC connection. With the Kramer PC Updater tool new firmware can be installed on VP-794 for feature upgrades and bug fixes. www.kramerelectronics.com The latest firmware version for your processor is published on our Website. Save the file to your computer.

  • Page 45: Environmental And Emc

    6.4. PAT Testing Earth continuity testing under PAT regulations shall be done to the VP-794 with 8A or 10A only. A test with 25A may damage the unit. In fact, VP-794 is IT equipment and the IEE Code of Practise to check earth continuity suggests an alternative 20-200mA test.
  • Page 46 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 SAFETY WARNING...

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