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Prism Sound MDIO-PTHDX Operation Manual

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MDIO-PTHDX Module
Operation Manual

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Summary of Contents for Prism Sound MDIO-PTHDX

  • Page 1 MDIO-PTHDX Module Operation Manual...

  • Page 3: Table Of Contents

    Appendix 2 - Pro Tools Software Controls ..................27 Appendix 3 - Front Panel LEDs ......................29 Appendix 4 - Installing the MDIO-PTHDX module ................31 Appendix 5 – Updating the MDIO module’s firmware ..............37 MDIO update history as of August 2018 ..................37...

  • Page 5: General Information

    TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. Fitting the MDIO-PTHDX module to a suitable Prism Sound Interface requires the lid to be removed. There are dangerous voltages inside and installation must be referred to qualified personnel.
  • Page 6 DigiLink are trademarks or registered trademarks of Avid Technology Inc. or its subsidiaries in the United States and/or other countries. For the avoidance of confusion it should be noted that AVID does not endorse or approve use of Prism Sound products that are compatible with AVID products.

  • Page 7: Introduction

    Setup of the Prism Sound Atlas and Titan units with Pro Tools could hardly be simpler: up to four Prism Sound Atlas or Titan units of mixed types can be connected in a stack to each DigiLink port and will automatically configure themselves to emulate Pro Tools | HD I/O interfaces. In the maximum configuration for a single DigiLink, four Prism Sound Atlas or Titan units emulate two Pro Tools | HD I/O units, supporting up to 32 analogue input and output channels.

  • Page 8: Terminology

    Revision 1.01 Control of the Prism Sound Atlas or Titan units when connected to Pro Tools is easy. All of the key controls are made available within the Pro Tools GUI and can also be stored as part of the Pro Tools session, unlike some other third-party interfaces that might require separate software or hardware controls and whose settings cannot be stored in the session.

  • Page 9: Quick Start Guide

    If you have received the MDIO-PTHDX module separately to be retro-fitted to an existing Prism Sound Atlas unit, then you will need to a) fit the module and b) check the firmware is at version 1.07 or higher. There are detailed instructions for fitting the module and updating...

  • Page 10: Connection Diagrams

    Subs in the Loop sync loop) and should use the Wordclock connectors on the Prism Sound Atlas units. With an odd number of Prism Sound Atlas units in a stack, one will behave as a “lonely” Main and emulate a single HD I/O unit to optimise the channel numbers available.

  • Page 11: Multiple Stacks

    Operation Manual Revision 1.01 For DigiLink ports, the arrow marks the “Primary” port; the other port is the “Expansion” port on the MDIO-PTHDX modules. Multiple Stacks Pro Tools software can use 16 inputs and 16 outputs from each HD I/O unit simultaneously, and can allow a maximum of two x HD I/O units on each stack.

  • Page 12: Combining With Pro Tools | Hd I/O Units

    I/O units) in all stacks. For DigiLink ports, the arrow marks the “Primary” port; the other port is the “Expansion” port on the MDIO-PTHDX modules. This picture shows eight Prism Sound Atlas units with the sync loop being connected from Main#1 WC Out to Main#2 WC in, Main#2 WC out to Main#3 WC In, Main#3 WC Out to Main#4 WC In and Main#4 WC Out back to Main#1 WC In.

  • Page 13: Software

    Loop Sync connections on any Pro Tools | HD I/O units. For DigiLink ports, the arrow marks the “Primary” port; the other port is the “Expansion” port on the MDIO-PTHDX modules (and the Pro Tools HD I/O units).

  • Page 14: Reference

    TWO Prism Sound Atlas units can emulate a single HD I/O unit. In this case each unit in a pair of Prism Sound Atlas units will be considered to be either a MAIN unit or a SUB. (This terminology will be familiar to users of our existing ADA8-XR product which has a similar Pro Tools interface module).
  • Page 15 Operation Manual Revision 1.01 With only one or two Prism Sound Atlas units on one stack (and no other I/O units in the system), no Loop Sync connections are required. For more than two units, sync cables must be connected so that multiple units’ audio will remain in sync.

  • Page 16: Channel Assignment

    Pro Tools | HD I/O units don’t include a headphones output and there is no specific control within the Pro Tools software for them. So there is a separate regime for assigning Prism Sound Atlas’s headphones which is discussed in the Headphones section below.
  • Page 17 Prism Sound MDIO-PTHDX Module Operation Manual Revision 1.01 So this offers 18 possible inputs of which, once again, the 16 in use are chosen from the Pro Tools’ Hardware Setup dialogue. If three units are connected in a stack they configure as two HD I/O units and appear in Hardware...

  • Page 18: Connecting Units On Multiple Digilink Connectors

    The controls for Phase and Filter are available in Prism Sound Atlas when the analogue inputs are operating in Line mode as well as in Mic Pre mode. Therefore if you are only ever using Prism Sound Atlas’s analogue inputs in Line mode, if you wish to use these two controls, you will still need to enable the Mic Pre controls to give access to them from within the Pro Tools software.

  • Page 19: Prism Sound Over-Killers

    By default the Prism Sound Atlas unit’s front panels display activity on the analogue and digital inputs. Prism Sound Atlas has the ability to switch the meters to display output activity, and this is enabled by an otherwise unused control in Pro Tools : Hardware Setup – SP/DIF Format = Tascam.

  • Page 20: Digital Format Controls

    At 176.4/192KHz Pro Tools software offers a “live” ADAT input & output pair (but disallows Optical for AES or SPDIF). Prism Sound Atlas units can use the Optical port for AES/SPDIF but don’t support ADAT format over the optical connection at those sample rates.

  • Page 21: Synchronisation

    Prism Sound Atlas units under MDIO-PTHDX mode may operate as a Main / Sub pair to emulate a single HD I/O unit, and it’s very important to remember that the Main unit in any Main / Sub pair is the one that is used for loop synchronisation.

  • Page 22: Synchronisation - Software Options

    Sub unit’s Wordclock output BNC connector will run. The third option – Word Clock = TDIF - is unrelated to sync when using Prism Sound Atlas and provides a means of changing the output associated with the Headphones (see...

  • Page 23: Appendix 1 - Mic Pre / Midi Setup

    Sound Titan’s) MIDI Interface will appear in MIDI Studio. 3. You need to set up a new “PRE” device for each Prism Sound Atlas or Titan in the stack (up to four devices per stack; you must include the first Prism Sound device in the chain, and if you have three units, you must create four PRE devices as per the note below):- 3.1.
  • Page 24 1. In Pro Tools, select Setup / MIDI / MIDI Studio. 2. You need to set up a new “PRE” device for each Prism Sound Atlas or Titan in the stack (up to four devices per stack, you must include the first Prism Sound device in the chain, and if you have three units, you must create four PRE devices as per the note below):- 2.1.
  • Page 25 You’re now ready to use the units with the Pro Tools system. (Tip – when an input is set to “Mic” the P or PAD buttons cause a relay click in the Prism Sound Atlas boxes, and so provide a simple way to check the Mic Pre controls are working in an otherwise “blind”...
  • Page 26 Prism Sound MDIO-PTHDX Module Operation Manual Revision 1.01 MIDI for Multiple Stacks As mentioned above when using multiple stacks you’ll need each top unit of each stack to be connected via MIDI, and you’ll need to set up two sets of MIDI ports.

  • Page 27: Appendix 2 - Pro Tools Software Controls

    (i.e. Mic pre #1 software controls still control ch #1’s Mic Pre even though it may now be coming through input number 7). This behaviour is identical for Prism Sound units and the Pro Tools | PRE. You could remap the Mic Pre controls using the I/O setup page’s Mic preamp tab to account for this if necessary.
  • Page 28 Mic / Line / DI indication – The selection of the input type is automatic depending on which connector is plugged into the Prism Sound Atlas or Titan input. DI shows when the front panel Instrument jack is used.

  • Page 29: Appendix 3 - Front Panel Leds

    Appendix 3 - Front Panel LEDs The front panel of both Prism Sound Atlas and Titan units have LED displays to show some key information. Because Atlas has a bigger case, there’s space for a bigger screen and more LEDs.
  • Page 30 When UNL is lit it signifies the digital input is unlocked - not synchronous to the system clock. UNL will be lit when nothing is connected. (SRC is not active in MDIO-PTHDX mode) These light when the Over-killer function is active and limiting (i.e. they OVER-KILLER won’t light up when the function is enabled and no audio is passing).

  • Page 31: Appendix 4 - Installing The Mdio-Pthdx Module

    To fit the MDIO-PTHDX module, you will need to remove the lid of the unit, and a little dexterity is required in fitting the module. If you are in doubt about fitting an MDIO module to an existing Prism Sound Atlas or Titan unit, we recommend that you speak to your dealer who will be able to arrange to fit it.
  • Page 32 Prism Sound MDIO-PTHDX Module Operation Manual Revision 1.01 3. Approximately half way back from the MDIO slot there is a white multi-pin connector labelled “CN19”, and either side are two cross-head screws. Unscrew the two cross head screws. (Some units may be supplied with Hex spacers already fitted in place of the cross-head screws;...
  • Page 33 5. Taking anti-static precautions, remove the MDIO-PTHDX module from its anti-static bag. 6. Offer up the MDIO-PTHDX module to its connector. Position the face plate end against the rear panel first – should be flush against the inside of the Prism Sound Atlas/ Titan rear panel.
  • Page 34 Operation Manual Revision 1.01 8. Some new hex head M3 screws are provided to fix the rear plate of the MDIO-PTHDX module to the rear panel of Prism Sound Atlas/Titan. The short pair should be used for the lower pair of holes closest to the bottom of the box.
  • Page 35 USB mode, then the reset will disable this (and will revert the output level to full level - if your Prism Sound Atlas is attached directly to active speakers, playback may be very loud) so take special care of levels and reset this control before playing anything. Note also that the volume control is not active in MDIO-PTHDX mode.
  • Page 36 Prism Sound MDIO-PTHDX Module Operation Manual Revision 1.01 ©2015-2018 Prism Media Products...

  • Page 37: Appendix 5 - Updating The Mdio Module's Firmware

    ProTools software. You will need the MDIO firmware file and the correct version of the Prism Sound USB Audio software On a PC you need the software version 1.15 (December 2016) or higher. On a Mac it needs to be software version 1.24 (August 2018) or higher.

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