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Wheatstone Corporation D-8 Technical Manual

Digital control surface
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D-8 Digital Control Surface
TECHNICAL GUIDE
600 Industrial Drive, New Bern, North Carolina, USA 28562

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  • Page 1 D-8 Digital Control Surface TECHNICAL GUIDE 600 Industrial Drive, New Bern, North Carolina, USA 28562...

  • Page 2: General Information

    G E N E R A L I N F O R M A T I O N General Information Introduction The D-8 Digital Audio Control Surface is a member of Wheatstone’s line of D-series control surfaces with the functions and control capabilities required by television broad- cast facilities, including plenty of output mixes: 2 main mix buses - one may be configured for 5.1 digital surround...
  • Page 3 Designed to integrate flawlessly with the Wheatstone BRIDGE digital audio network router, the D-8 control surface allows you to easily create large or small expandable platform-based systems that are exceptionally user-friendly. Wheat- stone BRIDGE network cages house all I/O ports and engine cards, and may be...

  • Page 4: Control Surface Placement

    The frame dimensions (in inches) are shown in the drawings below. Do not connect the D-8 control surface to its power supply until the surface is installed or mounted on the leg set. Never connect the power supply to the AC power line unless the surface’s 5-pin D-SUB DC power cable is securely connected first.
  • Page 5 I N P U T P A N E L Input Panel (IP-D8) Controls and Functions Each input panel of the D-8 digital audio control surface has four identical strips representing four input channels. The D-8 provides two methods for changing parameters on a fader strip.
  • Page 6 Note that the 5.1/ST 1 switch routes to the first master bus. This master bus has been pre- configured to be a surround bus or stereo bus; it is not two separate buses. page 5 D-8 / Feb 2009...

  • Page 7: Pfl Switch

    MON-D8 panel. When you light one of these MON-D8 Panel LED’s you are removing the fader from the Mix-Minus bus. PFL(CUE) Switch The CUE switch lets the control surface operator monitor the channel’s pre-fader signal. page 6 D-8 / Feb 2009...
  • Page 8 Mix-Minus buses. What appears at the Bus-Minus output for a fader is determined by how you configure the Bus-Minus output on the D-8 Input screen for your fader. In a typical application like feeding a TV remote, one might configure the remote talent’s Bus-Minus output to include a base mix of the board’s main...

  • Page 9: Channel On Switch

    GPI or by external automation via the surface’s TCP/IP control interface. Fader Channel output level is set by a long-throw motorized fader for automated level control. NOTE that input channels configured for 5.1 sources have fader knobs engraved with “5.1.” page 8 D-8 / Feb 2009...

  • Page 10: Controls And Functions

    M O N I T O R P A N E L Monitor Panel (MON-D8) Controls and Functions The D-8 digital audio control surface is equipped with one MONITOR panel. This panel provides speaker volume controls for the audio CR, two studios, and a PFL speaker.
  • Page 11 In most installations, a STUDIO output is programmed to MUTE whenever a D-8 fader controlling a microphone in the corresponding Studio is turned ON. Logic output ports may also be programmed to drive an ON AIR light whenever one of these microphones is turned ON.
  • Page 12 Access the file by FTP’ing to the surface, as described in Appendix 1. Similar to the control room speakers, the cue speaker also has the potential for feedback and should be muted (using the configuration software—VDIP menu) whenever the control room speakers are muted. page 11 D-8 / Feb 2009...
  • Page 13 These buttons are used to assign/de-assign input faders to the eight Mix-Minus buses. The D-8 is configured so that when you light a MXM assign switch the audio on the fader is removed from the Mix-Minus bus. This method makes it very easy to see which MXM output a particular fader is using and prevents clutter LED’s on the input fader...

  • Page 14: Monitor Buttons

    The confidence feed audio source is usually your master control or “air” feed, but it can be any source on the router. Confidence audio is patched in XPoint software by cross connecting the desired source signal to the D-8’s DxCFD page 13...
  • Page 15 MODIFY button, then the SAVE button. In this way the modified event will overwrite the old event setting and be saved, with the same name, in its place. page 14 D-8 / Feb 2009...
  • Page 16 Once the cursor is at the desired character, rotate the ALPHA SCROLL encoder until the desired new character is displayed. Once all desired characters have been changed, simply press SAVE to save your changes. The event is stored with the page 15 D-8 / Feb 2009...

  • Page 17: Programmable Buttons

    10 seconds. Control Modes and Log In Levels The D-8 control surface is operated in one of three modes. In Administrator mode access is allowed to all surface functions. In User mode a limited set of user functions is allowed. The set of functions allowed in User mode is set indepen- dently for each console using the Bridge XPoint software (see the Bridge Router manual for details).
  • Page 18 M A S T E R P A N E L Master Panel (MST-D8) Controls and Functions The D-8 digital audio control surface is equipped with one MASTER panel. The lower half of this panel provides fader control of the two master program outputs and four group outputs.

  • Page 19: Mute Groups

    Master and Group SET buttons are located in the upper portion of the panel. Groups may be assigned to Mix-Minus buses too. Pressing a MASTER or GROUP SET button will cause the D-8’s VGA screen to switch to the MAIN screen and display the output meters.
  • Page 20 Group channel signal OFF. The switch LED lights when the Group is ON. PFL(Cue) These switches let the control surface operator monitor the Group’s pre-fader signal. Group Faders These motorized controls set the output levels of the audio GROUPS. page 19 D-8 / Feb 2009...
  • Page 21 4 but the exact name depends on the number of surfaces in your system. In multi surface systems the “x” in the Dx prefix is replaced with surface ID number (e.g. D1, D2, D3, etc.). page 20 D-8 / Feb 2009...

  • Page 22: Gui Overview

    Before applying power, connect the touch screen VGA monitor to the DB-15 “VGA” connector on the left-rear of the D-8 frame. Connect the touch screen’s USB cable to the D-8’s USB connector, then apply power to the D-8. No other configuration is required.

  • Page 23: Using The Gui

    Along the very top of the VGA monitor is a Navigation Button Bar which provides quick access to the D-8’s set of screens. Primary console functions divided into this set of screens include a Main Meter/ Fader view, Input control view, Mix-Minus view, Bus-Minus view, Help, and technical Info.
  • Page 24 • INFO - displays technical information about the D-8 surface MAIN Navigation Button When first powered up the D-8 defaults to the MAIN Screen. You may access this screen anytime by selecting MAIN from the Navigation bar at the top of the monitor.
  • Page 25 The INPUTS section in the lower half of the screen displays a meter array of the D-8’s 24 input faders. A unique gain/meter indicator “widget” allows users to easily set input gain or fader levels with the touch screen or Source Scroll knob. The “widget”...

  • Page 26: Input Channel Controls

    Use the IN switch at the top of the LPF slider to activate this filter. Use the slider to adjust the cut-off frequency. A graphical representation of the filter’s effect is displayed in the filter curve window below. page 25 D-8 / Feb 2009...
  • Page 27 • DIR POST: destination gets a direct, post-fader clean feed of the input fader. Base Mix - select a mix on the surface you wish the destination to hear. Choose from one of the two master outputs and the eight Mix-Minus busses. page 26 D-8 / Feb 2009...
  • Page 28 - when the input signal is at its quietest, at or below the threshold. If the expander is on, there will be gain reduction when no signal is present. The gain-reduction reduces as the threshold is approached, and there is none above the threshold. page 27 D-8 / Feb 2009...
  • Page 29 “disappear” in the context of a mix; the whole gating sound, especially surprisingly its opening, is less obvious with shallower depth. Sometimes the “Surprise!” element is required, though, for effect. page 28 D-8 / Feb 2009...
  • Page 30 • be able to act as a peak limiter for inadvertent overload control; • enable deep effects if required. The D-8 compressor section is a compound of many diverse dynamics elements. The level detector is a pseudo-RMS averaging type with its own symmetrical- in-time attack-and-release characteristic adjustable between 0.1mS and 330mS...
  • Page 31 “snatching” which can occur at deep compression onset. For most purposes the combination AGC/compression is the most transparent, but if the intention is wild effect, deriving all the gain-reduction from the compressor alone is probably better. page 30 D-8 / Feb 2009...
  • Page 32 At mid-point frequency settings the shelvers reasonably emulate the classic “Baxandall” style tone control, noted for its ease in rapid correction of tonal imbalance. page 31 D-8 / Feb 2009...

  • Page 33: Pan Screen

    CENTER only. LFE — Slider controls level of signal sent to subwoofer channel. WIDTH - An effect that changes the apparent distance between the speaker - applies to stereo signals only. page 32 D-8 / Feb 2009...
  • Page 34 When an X is present, you are subtracting the selected fader column from the Mix-Minus output. An MXM LED will light on each applicable input fader strip to show selections made in the matrix. page 33 D-8 / Feb 2009...
  • Page 35 What appears at the Bus-Minus output for a fader is determined by how you configure the Bus-Minus output on the D-8 Input screen for your fader. In a typical application like feeding a TV remote, one might configure the remote talent’s Bus-Minus output to include a base mix of the board’s main program output bus (say...
  • Page 36 “browser” style, linked help window. The Help system guides users through basic setup and control of the console. Simply select a “browser” link by touching the screen. To close this window select the main HELP button again. page 35 D-8 / Feb 2009...
  • Page 37 Clicking the INFO button will display an information window: INFO — the technical information about the surface’s software versions and connection status to its companion rack MT link, Ethernet link, and automation interface. To close this window select the INFO button again. page 36 D-8 / Feb 2009...
  • Page 38 1 Tally check box. Click OK at the bottom of the form, and save your configuration. If this setup was done with XPoint in Online mode the settings are automatically sent to the surface. page 37 D-8 / Feb 2009...
  • Page 39 Pressing the ON button on the fader to turn the channel on issues a momentary pulse that creates a closure on the logic output port to activate the device’s start circuitry. page 38 D-8 / Feb 2009...
  • Page 40 Talkback puts the fader channel in CUE on the surface - typically used to allow talent at a remote mic location to talk to a control room operator page 39 D-8 / Feb 2009...
  • Page 41 By auto- generated sources, we mean sources that are automatically generated by the XPoint program when a system is configured with one or more surfaces. These signals appear page 40 D-8 / Feb 2009...
  • Page 42 (page 2-77). Output port 1 appears on pins 12 and 25 of the LOWER DB-25 connector (see page 2-82 for the pinouts). This should be sufficient information for you to set up a Control Room or Studio tally. page 41 D-8 / Feb 2009...
  • Page 43 Destination column. Make the signal be an INPUT and Logic I/O Only type. A typical example of this signal definition is shown below. page 42 D-8 / Feb 2009...
  • Page 44 A P P E N D I C E S 2. Cross-connect the REMTRIG signal to the D-8’s “D1CNFD2” Source signal. See example connection below. 3. Next, cross connect the audio Source signal you would like to use as a Confidence audio feed.
  • Page 45 Programmable button to control this logic output port. You can change the Function to be SWITCH1 through SWITCH 6. - Once you have your logic output signal defined, cross connect the Surface’s SPARE signal to it. page 44 D-8 / Feb 2009...

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