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Datapath x4 User Manual

Display controller
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Display Controller
U ser Ma nu al
Version 01.03.01

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Summary of Contents for Datapath x4

  • Page 1 Display Controller U ser Ma nu al Version 01.03.01...

  • Page 2: Table Of Contents

    Contents Safety Instructions Introduction Configuration Examples Unpacking Description Setting up the x4 Configuring the x4 Operating Instructions x4 Control Application Specification Datapath Limited Index UK Headquarters and Main Sales Office...

  • Page 3: Safety Instructions

    Datapath for repair using Datapath RMA procedures. Disposal At the end of life all Datapath products should be disposed of as per local laws and regulations dictate. In UK contact Datapath to arrange disposal. Our WEE registration number is WEEE/AA0005ZR.

  • Page 4: Introduction

    Introduction The Datapath x4 is a stand alone display wall controller that accepts a standard single or dual-link DVI input and can flexibly display this across four output monitors. Each output can be driven as DVI or analog RGB, and can represent an arbitrary crop region of the original input image.

  • Page 5: Configuration Examples

    Configuration Examples Listed on the next few pages are just a few examples of what can be achieved with the Datapath x4. The list of examples is not definitive and users are encouraged to experiment with different display configurations Duplicate the input signal x 4 and displays each duplicate on separate screens...
  • Page 6 Divide the input signal into quadrants and display each quarter on separate displays with optional frame rate conversion (in this case 30Hz to 60Hz). Crop regions can be adjusted to provide monitor bezel compensation.
  • Page 7 Duplicate the input signal x2 and display 1 on a single landscape display and divide the 2nd into thirds, rotate to portrait, upscale and split between 3 displays. Crop input signal, upscale specific areas and display on 4 separate screens.
  • Page 8 Crop the input signal into x4 and display x2 quarters landscape and x2 quarters portrait. Crop the input signal x4 rotate through 90º,180º or 270º, display in landscape and portrait. Arbitrary crop regions can allow the monitors to be artistically arranged, but maintain an undistorted image.

  • Page 9: Unpacking

    Unpacking Your packing box should contain the following items: • The x4 or x4-1U Display Wall Controller • The x4-PSU Power supply unit with international blades Only the power supply unit provided should be used (x4 only) • 1 x Mains power cable (x4-1U only) •...

  • Page 10: Description

    When the x4 device is connected to a PC by a USB cable and the x4 Control application is active, then all three lights flash in turn to help to identify which unit is being controlled.

  • Page 11: Rear Panel

    USB Socket The USB socket is used to connect the x4 to a PC via a USB connection using the supplied USB Type A to Type B cable. Configuration of the x4 is programmable via an application utility allowing easy control of...
  • Page 12 DVI-D Input Socket The DVI-D Input socket is used to connect the DVI input source to the x4. The x4 supports Dual Link DVI, Single Link DVI and also HDMI (not HDCP compliant) by using the optional DVI/HDMI Adapter. DVI-I Output Sockets The four DVI-I Out sockets are used to connect the x4 to the output monitors.

  • Page 13: Setting Up The X4

    Connect the four displays to the output sockets on the rear panel of the x4. • Connect the x4-PSU to the x4 and switch on the power supply at the mains socket using the correct international blade (see page 9).

  • Page 14: Configuring The X4

    Application section. Configuring DVI Input resolution Because the timings and resolution of the DVI input are set by the DVI source machine, the x4 can only configure this indirectly by presenting a programmable “Preferred Mode” as part of its EDID (Extended Display Identification Data).
  • Page 15 Whenever the monitor EDID is used, the x4 will calculate the internal scale factors to ensure that the monitor (at whatever resolution it is being driven) will still display the correct proportion of the input im- age. If an EDID cannot be read (for example if the monitor cable does not support the DDC signals required), there is a default mode that can be programmed into the x4’s memory.

  • Page 16: Operating Instructions

    Configuring the x4 The x4 has a USB port to allow a host PC to connect to the x4 box and for the user to program its configuration. Once configured the x4 will run stand-alone without the need for the USB connection and will auto detect input resolutions and adjust internal scaling to drive the output monitors consistently.

  • Page 17: X4 Control Application

    The application will search for an x4 connected to your computer and display the status of the first x4 detected. Should there be more than one x4 in use, a list of all available x4’s can be found in the File menu.

  • Page 18: Connection Diagram

    Input Capture Regions Device Monitor Outputs Connection Diagram The connection diagram displays a schematic view of the rear panel of the x4 to assist in identifying the connectors. Fig.5 Device The unique USB device name that is connected is displayed in the Device group. It is possible to asso- ciate a more user friendly name such as “First Four Outputs”.
  • Page 19 The DVI-D Input group displays the current DVI mode that is being captured (if any) and the preferred mode that has been programmed into the x4’s EDID. Use the Modify button to update the EDID. The small square to the left of the current input resolution indicates whether the x4 has frame-locked to the input source.
  • Page 20 It may be necessary to force the graphics device in the host machine to detect the new modes, this can be done by selecting Detect on the Screen Resolutions dialog box (Win- dows® 7) or by disconnecting the source from the x4 and reconnecting.
  • Page 21 .vqs file select the Open… command. Limitations Fig.10 Figures entered as the Input EDID Prefered Mode may exceed the internal bandwidth limitation of the x4, if this happens a warning is displayed in the form of the figures being highlighted pink, as shown in Fig.10...
  • Page 22 Input Capture Regions Each output of the x4 can select a different region of the input source image. This dialog (Fig. 11) displays the settings of each region (region 1 corresponds to output 1 etc). The numbers denote the top, left, width and height coordinates of the region that is to be displayed. Note that these are de- scribed in terms of the current active input resolution.
  • Page 23 Monitor Outputs The Monitor Outputs group shows the actual resolution and refresh rate that each of the four x4 outputs is currently providing. To see more information such as whether this is an analog RGB or DVI mode, if it is the monitor EDID preferred mode or a default mode programmed into the x4, along with detailed timing information, click on the Modify button for the required output.
  • Page 24 Grey The outputs are NOT frame-locked. Fig.13 Individual monitor outputs can be configured by clicking on the corresponding Modify button. This will bring up a timing dialog similar to that of the input timings. This dialog is shown in Fig.14. Fig.14...
  • Page 25 The x4 application has built in test patterns to enable the user to view a display on screen without a source connected to the x4. To display the test pattern click the Modify button on the required output and the modify output dialog is displayed (Fig.14) .

  • Page 26: Specification

    Specification Physical Dimensions x4 - 235 x 175 x 44mm/9.25” x 6.9” x 1.75” x4-1U: 438 x 173 x 40mm/17.24” x 6.81” x 1.57” Operating Temperature Range 0 - 35 DegC/32 - 96 DegF Power Requirements 5V DC, 18W. Universal mains power adapter...

  • Page 27: Datapath Limited

    Datapath Limited Datapath has a long and very successful history in the computer graphics industry. Datapath has been designing and supplying high performance, high quality graphics display systems to the world’s larg- est and most demanding companies and institutions since 1982. Datapath was one of the founding companies of multi-screen Windows acceleration using single and multi board solutions.

  • Page 28: Index

    HDMI 12 bezel compensation 6 Input LED 10 Input socket 12 cables up to 20m 19 Input Surface 26 configuration 14 Configuring the x4 16 LED’s 10 Connecting the x4 13 Limitations 21 connection diagram 18 Cooling 26 Mac OS 14...
  • Page 29 Single Link DVI 12 Status 10 Status LED 10 Sync sockets 11 Technical Support 27 Test button 25 test patterns 25 UK Headquarters 28 upgrading your x4 25 Up Scaling 26 USB socket 11 Warranty 26 Windows 17 Windows 7 20...

  • Page 30: Uk Headquarters And Main Sales Office

    UK Headquarters and Main Sales Office Datapath Ltd., Alfreton Road, Derby, DE21 4AD, UK Tel: +44 (0) 1332 294441 Fax: +44 (0) 1332 290667 Email: sales@datapath.co.uk www.datapath.co.uk...

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