Prism Sound MDIO-PTHDX Manuel utilisateur

MDIO-PTHDX Module

Operation Manual

Table of Contents

General Information ........................................................................................................................... 5

Introduction ........................................................................................................................................ 7

Terminology .................................................................................................................................... 8

Quick Start Guide ................................................................................................................................ 9

Connection Diagrams .................................................................................................................... 1

Multiple Stacks .......................................................................................................................... 11

Combining with Pro Tools | HD I/O units ................................................................................. 12

Software ........................................................................................................................................ 13

Reference .......................................................................................................................................... 14

Switching to MDIO-PTHDX Mode ................................................................................................. 14

Main / Sub ..................................................................................................................................... 14

Prism Sound Atlas Connections .................................................................................................... 14

Channel Assignment ..................................................................................................................... 16

Connecting Units on Multiple DigiLink Connectors ...................................................................... 18

Mic Pre Controls ............................................................................................................................ 18

Prism Sound Over-killers ............................................................................................................... 19

Line Input Reference Levels .......................................................................................................... 19

Metering ....................................................................................................................................... 19

Headphones .................................................................................................................................. 19

Digital Format Controls ................................................................................................................. 2

ADAT ............................................................................................................................................. 2

Synchronisation ............................................................................................................................. 21

Synchronisation - Software Options ......................................................................................... 22

External Wordclock Output ...................................................................................................... 22

Appendix 1 - Mic Pre / MIDI Setup ................................................................................................... 23

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 2 18 ....................................................................................... 37

General Information

MDIO-PTHDX Module Reference Revision History

Rev Date Author Comments

1. 8

July 2 16 S.G. Penn Initial release

1. 1 7

Sept. 2 18 S.G. Penn update to add MDIO firmware update.

Su ort Contacts

Prism Media Products Limited

The Old School

Stretham

Cambridge

CB6 3LD

Telephone: +44 1353 648888

Fax: +44 1353 648867

Email: tech.support@prismsound.com

Web: www.prismsound.com

Prism Media Products Inc.

45 Pine Street, Suite 1

Rockaway

NJ 07866

USA

Telephone: +1 973 983 9577

Fax: +1 973 983 9588

WARNING!

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 ersonnel. Anyone fitting the MDIO-PTHDX module must

ensure that the mains is disconnected from the unit before removing the cover,

and

not re

connected until the cover is refitted.

Statements of conformity

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against interference in a residential area. This device generates and uses radio frequency energy

and, if not installed and used in accordance with the instructions, may cause interference to radio or

TV reception. If this unit does cause interference to radio or TV reception, please try to correct the

interference by one or more of the following measures:

a) Reorient or relocate the receiving antenna.

b) Increase the separation between the equipment and the receiving antenna.

c) Plug the equipment into an outlet on a different circuit from the receiver.

d) If necessary, consult your dealer or an experienced radio or TV technician.

CAUTION: Changes or modifications to this equipment not expressly approved by the manufacturer

could void the user's authority to operate this equipment.

THIS DIGITAL APPARATUS MEETS ALL CLASS B LIMITS FOR RADIO NOISE EMISSIONS AS LAID DOWN

IN THE RADIO INTERFERENCE REGULATIONS OF THE CANADIAN DEPARTMENT OF

COMMUNICATIONS.

CET APPAREIL NUMÉRIQUE RESPECTE TOUTES LES EXIGIENCES APPLICABLES AUX APPAREILS

NUMÉRIQUES DE CLASSE B SUR LE BROUILLAGE RADIOELECTRIQUE EDICTE PAR LE MINISTERE DES

COMMUNICATIONS DU CANADA.

Prism Media Products Ltd hereby declares that this equipment conforms to the following standards:

EN551 3-1, environment category E4

EN551 3-2, environment category E4

NOTE: The use of this equipment and its host interface unit with non-shielded interface cabling is

not recommended by the manufacturer and may result in non-compliance with one or more of the

above directives. All coaxial connections should be made using a properly screened 75R cable with

the screen connected to the outer of the connector at both ends. All analogue XLR and jack

connections should use screened cable with the screen connected to pin 1 of the XLR connector, or

the jack outer, at both ends.

Trademark Acknowledgements

Pro Tools, Pro Tools | HD, Pro Tools | HDX, Pro Tools | HD Native, Pro Tools | PRE, Digidesign, Avid, Mini DigiLink and

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.

Microsoft and Windows are trademarks of Microsoft Corporation.

Apple, Macintosh, Core Audio and OS X are trademarks of Apple Computer, Inc.

All trademarks acknowledged

This manual may not be reproduced in whole or part, in any medium, without the written

permission of Prism Media Products Limited.

In accordance with our policy of continual development, features and specifications are subject to

change without notice.

Prism Sound MDIO-PTHDX Module O eration Manual Revision 1.01

Introduction

The Prism Sound MDIO-PTHDX module is an option for Prism Sound interfaces that have the “MDIO”

option slot. This module allows multiple units to be connected directly to an Avid | Pro Tools system

utilising either a Pro Tools | HDX PCIe card, a Pro Tools | HD Native PCIe card or a Pro Tools | HD

Native Thunderbolt interface with a DigiLink cable.

With this setup, Pro Tools users can enjoy the excellent sound quality of the Prism Sound Atlas and

Titan A/D and D/A converters, and their equally well regarded on-board microphone preamplifiers.

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.

The first (or only) Prism Sound unit in the stack is connected to Pro Tools using the Primary

connector on the Prism Sound MDIO-PTHDX module. Additional units, to a maximum stack size of

four units, are added by daisy-chaining Expansion-to-Primary connections in the usual way.

Multiple stacks can be connected to multiple host DigiLink ports to build systems with larger

numbers of channels.

Prism Sound MDIO-PTHDX Module O eration Manual 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.

The following Pro Tools UI controls are supported:

•Sample rate and Loop Sync slave/master selection (including master sync source)

•Line input sensitivity switching, per input channel (+4/-1 )

•I/O port routing (as controlled in the Pro Tools Setup\Hardware dialogue) including use of

enclosure S/PDIF/AES3 I/O. Routing to Prism Sound Atlas or Titan headphone port.

•Interface 'identify' - helps to find the right unit in a stack

•Soft-clip (Prism Sound "Over-killer") switching, per input channel

•High-pass filter selection, per input channel

•Phase switching, per input channel

•Indication of mic/line/DI (instrument) input selection* (auto selecting on the Prism Sound

Atlas or Titan unit, indicated in Pro Tools UI).

•Mic/instrument gain setting*

•+48V phantom power switching*

•-2 dB pad switching*

* for mic/instrument preamp-equipped channels

A basic understanding of Pro Tools software and its concepts is expected of readers of this manual,

the Reference section has more detailed descriptions of some aspects.

Terminology

At the time of writing, the MDIO-PTHDX module can be used with either a Prism Sound Atlas or

Prism Sound Titan interface unit. For the sake of simplicity, this document will refer to “Prism Sound

Atlas” as meaning any unit that can be fitted with an MDIO-PTHDX module, unless there are

particular differences (in which case any differences between models will be noted).

Similarly in the instructions below we shall refer to the Pro Tools interface card as the “HDX card”,

but this may be an Pro Tools | HD Native card or Pro Tools | HD Native Thunderbolt device unless

otherwise detailed.

We call a group of I/O units attached in a “daisy-chain” to a single Mini-DigiLink connector a “stack”,

and therefore two stacks may be connected to a Pro Tools | HDX or Pro Tools | HD Native card.

We call the unit that is connected by DigiLink directly to the Pro Tools | HDX card the To unit, and if

there are two or more units connected in a stack the final one in the DigiLink daisy-chain is referred

to as the Bottom unit.

Prism Sound MDIO-PTHDX Module O eration Manual Revision 1.01

Pairs of Prism Sound Atlas units auto-configure as a Main unit and its Sub. The two units have

different roles, and the pair will emulate a single Pro Tools | HD I/O unit. There are more discussions

of Mains and Subs later in the manual.

Quick Start Guide

For the quickest start, if you are already familiar with Pro Tools | HD, the regime for setting up the

Prism Sound Atlas units on a Pro Tools system is as follows:-

1. Check that your Prism Sound Atlas has the MDIO-PTHDX module fitted and that it has the

correct firmware to work with it.

Prism Sound Atlas units that have been shipped from the factory with the MDIO-PTHDX

module fitted will already be programmed to use it, and you can move straight to Quick

Start step #2.

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. 7 or higher. There are detailed instructions for fitting the module and updating

the Prism Sound Atlas in Appendix 4 at the end of this manual.

2. Power up the Prism Sound Atlas/Titan units individually and set each of them to MDIO-

PTHDX mode by pressing and holding their Volume knob for four seconds. The Host LED

goes red. Remove the power at the rear of the unit.

3. Connections – note that connections to each unit depend on how many units there are in

the system – the diagrams below show a number of different configurations.

a. Connect the DigiLink cables in a daisy chain. Finally connect the DigiLink cable

between the “top” unit’s Primary port and the HDX card.

b. Connect a USB cable from the host computer to the top unit.

c. Connect the loop sync between the BNC Wordclock connections of all “Main” units

(no sync connection is required if there are just one or two Prism Sound Atlas units,

and no other Pro Tools units attached to the system).

d. Reconnect power to all units.

4. Start Pro Tools – you should see the units in Setup / Hardware. (Pairs of Prism Sound Atlas

units will show as a single HD I/O – see the Reference section elow for ”Main / Su ”

explanations.)

5. Set up the Mic Pres – Pro Tools users will be familiar with this as it follows the same regime

as described in the Pro Tools | PRE manual – Chapter 3 “Configuring MIDI Studio for Pro

Tools | PRE”. It uses MIDI, but no extra MIDI cables are required (detailed instructions are

below in Appendix 1 of this document).

6. Connect up your I/O, and you’re ready to go!

Prism Sound MDIO-PTHDX Module O eration Manual Revision 1.01

Connection Diagrams

The diagrams below show connections for Prism Sound Atlas systems connected in one stack to a

single DigiLink on the Pro Tools | HDX card.

Prism Sound Atlas units will automatically configure in order to make best use of the maximum I/O

counts supported by the HDX cards. TWO Prism Sound Atlas units (nominally named Main and Sub)

normally emulate a single Pro Tools | HD I/O unit.

The bottom unit in the stack is always a Main unit, and its associated Sub is immediately above the

partner Main unit.

It’s very im ortant that Loo sync connections should only be made between Main units (and not to

include 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.

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