Studio Technologies Model 544D Manuel utilisateur

50729-0123, Issue Preliminary 1

studio-tech.com

User Guide

Issue Preliminary 1, January 2023

This User Guide is applicable for serial numbers

M544D-00151 and later with Application Firmware 1.0 and later

and STcontroller application version 3.10.00 and later.

Model 544D

Audio Interface

This page intentionally left blank.

Model 544D User Guide Issue Preliminary 1, January 2023

Studio Technologies, Inc. Page 3

Model 544D

AUDIO INTERFACE

Table of Contents

Revision History ................................................................................................................................ 4

Introduction........................................................................................................................................ 5

Getting Started .................................................................................................................................. 9

Dante Conguration .......................................................................................................................... 13

Model 544D Conguration................................................................................................................. 15

Operation........................................................................................................................................... 20

Technical Notes................................................................................................................................. 22

Specications .................................................................................................................................... 26

Appendix A–STcontroller Default Conguration Values..................................................................... 28

Appendix B–Graphical Description of the Installation Kit for Panel-Cutout or Surface-Mounting

Use (Order Code RMBK-10) ............................................................................................................. 29

Appendix C–Graphical Description of Left- or Right-Side Rack-Mount Installation Kit for

One “1/2- Rack” Unit (Order Code RMBK-11)................................................................................... 30

Appendix D–Graphical Description of Rack-Mount Installation Kit for Two “1/2- Rack” Units

(Order Code RMBK-12)..................................................................................................................... 31

Appendix E–Graphical Description of Center Rack-Mount Installation Kit for One “1/2- Rack”

Unit (Order Code RMBK-13) ............................................................................................................. 32

Appendix F–Interfacing with RTS

Matrix Intercom Systems............................................................ 33

Appendix G–Interfacing with Riedel

Artist™ Matrix Intercom Systems ........................................... 34

Appendix H–Interfacing with Clear-Com

Matrix Intercom Systems ................................................. 35

Issue Preliminary 1, January 2023 Model 544D User Guide

Page 4 Studio Technologies, Inc.

Model 544D

AUDIO INTERFACE

Revision History

Issue Preliminary 1, January 2023:

•Initial preliminary release.

Model 544D User Guide Issue Preliminary 1, January 2023

Studio Technologies, Inc. Page 5

Model 544D

AUDIO INTERFACE

Introduction

The Model 544D Audio Interface provides a simple yet

high-performance means of interfacing two channels

of analog line-level audio to and from applications that

utilize Dante

audio-over-Ethernet media network-

ing technology. Two Model 544D units can provide

one-to-one signal paths, two in each direction, over

a standard local area network (LAN). A Model 544D

can work on its own to allow Dante-enabled products

to interface with analog input and output signals. In

addition, the unit supports transport of status signals

or contact closures between Model 544D units and

other compatible products. There are two general-

purpose inputs (GPI) and two general-purpose out-

puts (GPO) on each Model 544D. The Model 544D

can also provide a tone generator function. This allows

sine-wave signals at a frequency of 1 kHz, 18 kHz, or

20 kHz to be output by way of the analog line-level

and Dante digital interface channels.

The Model 544D is a fully professional product that

offers the audio quality, features, and reliability

required by 24-hour, on-air, and commercial appli-

cations. The two line-level analog audio inputs use

standard 3-pin female XLR connectors for easy inter-

facing with balanced and unbalanced sources. The

input audio signals are converted to 24-bit digital and

then transported via the Dante interface. Two digital

audio signals arrive into the Model 544D via the Dante

interface and are then converted to analog. Two 3-pin

male XLR connectors on the Model 544D’s back panel

provide balanced analog line-level outputs.

The Model 544D can serve as an analog-to-Dante

bridge, linking analog audio interfaces found on

devices such as matrix intercom systems, broadcast

routers, and audio consoles to and from the Dante

domain. An Ethernet connection is all that’s required

to make the Model 544D part of a sophisticated,

networked audio system. Dante audio-over-Ethernet

has found wide acceptance as an audio “backbone”

due to its ease of use, high performance, strong

interoperability, and wide adoption by a large number

of equipment manufacturers. The Model 544D is a

general-purpose “tool” that helps to expand Dante’s

capabilities to facilities and equipment that primarily

supports signals in the analog domain.

Audio data is sent to the Model 544D using the Dante

audio-over-Ethernet media networking technology.

Audio signals with a sample rate of 44.1 or 48 kHz

and a bit depth of up to 24 are supported. The two

line-level input channels are converted to digital and

then routed to transmitter (output) channels on the

Dante interface. Two transmitter (output) channels

from an associated Dante-enabled device can be

assigned to the Model 544D’s receiver (input) chan-

nels using the Dante Controller application. These are

then converted into analog outputs.

Careful attention to circuit design and component

selection ensures that excellent audio quality is main-

tained. Extensive ltering helps prevent damage or

less-than-optimal performance should DC voltage,

ESD (“static”), or strong RF signals be present on the

associated analog signals.

Figure 1. Model 544D Audio Interface front and back views

Issue Preliminary 1, January 2023 Model 544D User Guide

Page 6 Studio Technologies, Inc.

Model 544D

AUDIO INTERFACE

The STcontroller software application is used to

congure the Model 544D’s wide range of operating

parameters. These include the nominal signal levels

and which sources are utilized for the analog and

Dante digital channels. Versions of STcontroller are

available that are compatible with the Windows

and

macOS

operating systems. They are available, free

of charge, from the Studio Technologies’ website.

Using STcontroller, the nominal audio levels of the line

input and line output functions can be independently

selected. In this way, compatibility with SMPTE

, EBU,

and “semi-pro” nominal signal levels is supported.

Audio level meters provide conrmation of system per-

formance during setup and operation. Two general-

purpose input (GPI) and two general-purpose output

(GPO) functions allow support for installer-selected

applications, including party-line intercom call-light

functions. LED indicators provide a direct indication

of the status of the GPI and GPO functions.

The Model 544D can be powered by power-over-

Ethernet (PoE) or an external source of 12 volts DC.

Standard connectors are used for the analog line

inputs and analog line outputs, Ethernet, GPI, GPO,

and DC power interconnections. The Model 544D’s

enclosure has a “1/2-rack” 1U form factor and weighs

less than two pounds, making it well suited for use

in portable applications. Alternately, using one of the

optional rack-mount front panels, one or two Model

544D units can be mounted in a single space (1U) of

a standard 19-inch rack enclosure.

Applications

The most basic application for Model 544D is for trans-

porting analog audio signals to and from one location

to another using the data transport resources of a

local area network — there’s really no simper means

to getting high-quality audio from “point A to point B”

and back. With standard connectors and PoE power,

setup can be completed in just a few minutes. This

makes Model 544D units e󰀨ective in both xed and

portable applications.

The Model 544D can also nd use when an applica-

tion already supports Dante. For example, ports on a

matrix intercom system that directly supports Dante,

such as the RTS

ODIN

or ADAM

with OMNEO

can be routed to a Model 544D’s Dante transmitter

(output) and receiver (input) channels. The Model

544D will then provide two analog line inputs and two

analog line outputs for use in a variety of applications.

These can include interfacing with audio inputs and

outputs associated with audio consoles, providing

talent cueing (IFB) feeds, and interfacing with the

audio outputs of aerial camera systems.

The GPI and GPO functions allow Model 544D units to

transport contact closures using high-frequency audio

tones that are embedded as part of the unit’s audio

channels. Two independent contact closures can be

“repeated” across a network using Dante audio paths.

Provided for installer-specied applications, having

the ability to transport contact closures over signicant

distances can be a unique and valuable resource.

The Model 544D’s tone generator capability enables

the unit to create 1 kHz, 18 kHz, and 20 kHz sine-

wave analog and Dante digital audio signals. The

ability to generate precision 1 kHz sine-wave tones

is intended for general-purpose audio use. The

18 kHz tone is provided as a resource when sup-

porting remote-production (REMI) applications that

use the Studio Technologies’ Model 5422A Dante

Intercom Audio Engine. This 18 kHz tone can be used

by a matrix intercom system to facilitate creation of

voice-with-tone interruptible foldback (IFB) signals.

When routed to Model 5422A interrupt inputs, these

specialized IFB interrupt signals will allow creation of

excellent talent cueing channels.

The 20 kHz tone option is provided for use in appli-

cations where generation of a party-line call signal is

desired. For example, the 20 kHz tone can be con-

nected to a matrix intercom system which would be

congured such that a button press will cause 20 kHz

to be sent out an intercom channel. This can serve as

a “trigger” signal for visual or audible alerting devices,

such as the Studio Technologies’ Model 391 Dante

Alerting Unit.

Line Inputs

The Model 544D provides two analog line-level input

channels. Two STcontroller configuration choices

allow the nominal levels of each input to be +4 dBu,

–2 dBu, or –10 dBu. When congured for +4 dBu the

unit will be compatible with SMPTE applications where

the nominal digital signal level is –20 dBFS. The

–2 dBu conguration choice allows the line inputs to

be optimized for EBU applications where the nominal

digital signal level is –18 dBFS. The –10 dBu cong-

uration is provided for “semi-pro” applications where

Model 544D User Guide Issue Preliminary 1, January 2023

Studio Technologies, Inc. Page 7

Model 544D

AUDIO INTERFACE

sources are typically unbalanced (single-ended).

Using this selection, an analog signal with a level of

–10 dBu will result in a Dante digital output signal with

a level of –20 dBFS.

The electronically balanced (di󰀨erential) input circuits

are capacitor-coupled and ESD (static) protected for

reliable operation in a variety of applications. They

are also protected from damage should a moderate

DC voltage be accidentally connected. Sources can

include analog I/O cards on matrix intercom systems,

audio consoles, wireless microphone receivers, and

broadcast routers.

Line Outputs

The Model 544D provides two analog line-level output

channels. As with the line inputs, STcontroller choic-

es allow the audio source for each line output to be

selected. Choices include the Dante receiver (input)

channels, the line inputs, and three sine-wave tone

sources. The nominal level of the line outputs can

be selected in STcontroller to be +4, –2, or –10 dBu.

This allows compatibility in applications where SMPTE

(+4 dBu = –20 dBFS) or EBU (0 dBu = –18 dBFS)

standards may apply. The –10 dBu setting can be use-

ful for “semi-pro” applications where a lower nominal

level is necessary. The line outputs are electronically

balanced, capacitor-coupled and ESD (static) pro-

tected. The outputs are compatible with virtually all

balanced and unbalanced inputs with an impedance

of 2 k ohms or greater.

Pro Audio Quality

The Model 544D’s audio circuitry was designed in

the spirit of professional audio equipment rather

than that found in typical broadcast or commercial

audio gear. High-performance components are used

throughout, providing low-distortion, low-noise, and

high headroom. Care was taken so that signal integrity

is maintained in both the analog and digital domains.

Audio Meters and Status LEDs

The Model 544D provides four 5-segment LED

meters. The meters, located on the unit’s front panel,

display the level of the audio signals associated with

the two line inputs and two line outputs. At the time

of installation and setup the meters are invaluable in

helping to conrm correct operation. During normal

operation the meters o󰀨er a real-time conrmation of

the unit’s audio signal levels, helping to ensure that

optimal audio quality is maintained. Additional LED

indicators are provided on the front panel, o󰀨ering

status indications of the incoming power, GPI, and

GPO functions.

GPI and GPO Capability

The Model 544D allows the sending and receiving

of status signals using high-frequency audio tones

that are transported within the Dante audio channels.

When two Model 544D units are interconnected

using an Ethernet network and Dante, two status

signals can be transported in each direction. The

GPI (general-purpose input) functions are compatible

with contact closures provided by equipment such as

matrix intercom systems, video/audio routers, or tally

systems. During operation, a closure on one Model

544D GPI will result in the closing (shorting) of a solid-

state relay contact associated with the GPO on a

second Model 544D unit. To assist in implementing

specialized GPI and GPO applications a source of

low-current DC power is also provided.

The GPI and GPO functions can be especially useful

in party-line intercom applications where call-light

signals are utilized. Contact closures on matrix

intercom systems can be “repeated” by Model 544D

units that are located anywhere on the same local

area network (LAN). The Model 544D is also directly

compatible with the call-light signal support provided

by the Studio Technologies’ Model 545DC and Model

545DR Intercom Interface units. With a Model 544D

appropriately interconnected with a matrix intercom

system full call-light support can be provided to and

from RTS and Clear-Com

party-line intercom circuits.

Tone Generator Mode

For special applications, the Model 544D can be

configured to serve as an audio tone generator.

Instead of functioning as an interface device, the

Model 544D will generate low-distortion, frequency-

accurate, sine-wave audio signals. STcontroller con-

guration choices allow the frequency of the tones to

be 1 kHz, 18 kHz, or 20 kHz. The tone signals are

available as line-level analog and Dante digital audio

outputs. When selected to output a tone, the level on

a analog line output will follow the congured nominal

level. Using STcontroller, the choices are +4 dBu,

–2 dBu, and –10 dBu. The tone level on the Dan-

te transmitter (output) channels will be fixed at

–20 dBFS.

Issue Preliminary 1, January 2023 Model 544D User Guide

Page 8 Studio Technologies, Inc.

Model 544D

AUDIO INTERFACE

The 1 kHz tone is provided for general-purpose audio

use. This can serve as an audio reference for an entire

audio “plant” or facility to access as needed. Having

a continuous source of 1 kHz sine-wave in analog or

Dante digital formats can be useful for installation,

testing, and troubleshooting applications.

The 18 kHz tone is intended for use with matrix inter-

com systems that are used with the Studio Technolo-

gies’ Model 5422A Dante Intercom Audio Engine. This

tone will be connected to a matrix intercom system

using either analog or Dante inputs. The matrix inter-

com system will be congured such that it will combine

voice audio with the 18 kHz tone to create specialized

IFB interrupt signals. These voice-with-tone signals

will be routed, by way of an audio transport system,

to Model 5422A interrupt inputs associated with tone

operated (TOX) IFB channels. The Model 5422A

will detect the 18 kHz tone and “trigger” the associ-

ated IFB function. In this way, high-performance IFB

functions can be implemented for REMI (remote-

production) applications.

The 20 kHz tone is provided for use in applications

where generation of in-band signals that are compati-

ble with the call function on RTS TW-series party-line

(PL) intercom channels is desired. One example

would be for the 20 kHz tone to be connected to an

analog or Dante receiver (input) channel on a matrix

intercom system. The intercom system would be con-

gured such that a button press on an intercom “key”

panel would cause 20 kHz to be sent out an intercom

channel. This would then serve as a call “trigger” for

devices such as a Studio Technologies’ Model 391

Dante Alerting Unit. Another interesting example

would be for the 20 kHz tone to be used to serve as

an activation signal for contact closures. Using Dante

subscriptions (routes), the intercom channel from the

matrix interface would be connected to additional

Model 544D units. When those units receive the

20 kHz tone signal they would enable their associated

GPO contact closures.

Ethernet Data, PoE, and DC Power

Source

The Model 544D connects to a local area data net-

work (LAN) using a standard 100 Mb/s twisted-pair

Ethernet interface. The physical interconnection is

made by way of a Neutrik etherCON RJ45 jack. While

compatible with standard RJ45 plugs, an etherCON

jack allows a ruggedized and locking interconnection

for harsh or high-reliability environments. The Model

544D’s operating power can be provided by way of

the Ethernet interface using the Power-over-Ethernet

(PoE) standard. This allows fast and e󰀩cient intercon-

nection with the associated data network. To support

PoE power management, the Model 544D’s PoE

interface reports to the power sourcing equipment

(PSE) that it is a class 1 (very low power) device. The

unit can also be powered using an external source

of 12 volts DC. For redundancy, both power sources

can be connected simultaneously. Three LEDs on the

unit’s back panel display the status of the network

connection, Dante interface, and PoE power source.

Two LEDs on the unit’s front panel provide a real-time

indication of the connected power sources.

Simple Installation

The Model 544D uses standard connectors to allow

fast and convenient interconnections. An Ethernet

signal is connected using a Neutrik etherCON RJ45

jack. If Power-over-Ethernet (PoE) is available opera-

tion will commence immediately. An external 12 volts

DC power source can also be connected by way of a

4-pin female XLR connector. Analog line-level input

and output connections are made using 3-pin male

and female XLR connectors. GPI, GPO, and auxil-

iary DC connections are made using a 9-pin female

D-subminiature (DE-9F) connector. The Model 544D

is housed in a rugged yet lightweight aluminum en-

closure that is designed to be “eld tough.” It can be

used as a standalone portable unit, supporting what’s

known in the broadcast world as “throw-down” appli-

cations. Rack-mounting option kits are available that

allow one or two Model 544D units to be mounted in

one space (1U) of a standard 19-inch rack enclosure.

Future Capabilities and Firmware

Updating

The Model 544D was designed so that its capabili-

ties and performance can easily be enhanced in the

future. A USB receptacle, located on the unit’s back

panel, allows the application rmware (embedded

software) to be updated using a USB ash drive. To

implement its Dante interface the Model 544D uses

the UltimoX2™ integrated circuit from Audinate. The

rmware in this integrated circuit can be updated via

the Ethernet connection helping to ensure that its

capabilities remain up to date.

Model 544D User Guide Issue Preliminary 1, January 2023

Studio Technologies, Inc. Page 9

Model 544D

AUDIO INTERFACE

Getting Started

In this section, a location will be selected for the Model

544D. If desired, an optional installation kit will be

used to mount one or two units into a panel cutout, at

surface, or equipment rack. Signal interconnections

will be made using the unit’s back-panel connectors.

An Ethernet data connection, which typically includes

Power-over-Ethernet (PoE) capability, will be made

using a cable-mounted etherCON plug or a stan-

dard RJ45 patch cord. A 4-pin XLR connector allows

connection of an optional 12 volts DC power source.

Connections to analog line-level input and output

signals will be made using 3-pin male and female

XLR connectors. Some applications may utilize the

GPI and GPO functions which are accessible using

a 9-pin female D-subminiature (DE-9F) connector.

What’s Included

Included in the shipping carton are a Model 544D

Audio Interface and instructions on how to obtain an

electronic copy of this guide. An optional installation kit

allows a Model 544D to be mounted in a rectangular

opening in a tabletop or attached to a at surface. If

one or two Model 544D units are going to be mounted

in a 19-inch equipment rack then having another of

the optional rack-mount installation kits is required.

If an installation kit was purchased it would typically

have been shipped in a separate carton. As a device

that can be powered by Power-over-Ethernet (PoE)

or an external source of 12 volts DC, no power source

is included. (A compatible power supply, the Studio

Technologies’ PS-DC-02, is available as an option.)

Locating the Model 544D

Where to locate a Model 544D will depend on

being able to access the associated analog line

input, analog line output, and, if utilized, GPI and

GPO functions. The Model 544D is shipped as a

self-contained “throwdown” unit suitable for portable

use or placement in a semi-permanent location. In-

stalled on the bottom of the chassis are screw-a󰀩xed

“bump on” protectors (also known as rubber “feet”).

These are useful if the unit is going to be placed on a

surface where scratching of either the Model 544D’s

enclosure or the surface material could take place.

However, if applicable the feet can be removed when

installation in a panel cutout, onto a at surface, or in

a rack enclosure is going to be performed.

Once the unit’s physical location has been established

its assumed that the twisted-pair Ethernet cabling will

be within 100-meters (325-feet) of the Ethernet port

on an associated network switch. If this is not the

case, then the overall length limit can be overcome by

using a ber-optic interconnection between the Model

544D’s-related-Ethernet switch and another Ethernet

switch that’s part of the application’s local-area-

network (LAN). With a ber interconnect there’s no

reason why a Dante-supporting LAN can’t be distrib-

uted over many miles or kilometers.

Mounting Options

Panel Cutout or Surface Mounting One

Model 544D Unit

Installation kit RMBK-10 allows one Model 544D to

be mounted in a panel cutout or onto a at surface.

The kit contains two standard-length brackets and

four 6-32 thread-pitch Phillips-head machine screws.

Refer to Appendix B for a visual explanation.

Get ready to install the kit by rst removing the four

machine screws and associated bump on protectors

from the bottom of the Model 544D’s chassis. They

are removed using a #1 Phillips screwdriver. Store the

four machine screws and four bump on protectors for

possible later use.

To prepare the unit to mount in a cutout or other

opening in a panel, use a #2 Phillips screwdriver

and two 6-32 machine screws to attach one of the

standard-length brackets onto the left side (when

viewed from the front) of the Model 544D’s enclosure.

Orient the standard-length bracket such that its front is

parallel to the Model 544D’s front panel. The screws

will mate with the threaded fasteners that can be seen

on the side of the Model 544D’s enclosure, near the

front of the unit. Using two additional 6-32 machine

screws, attach the other standard-length bracket onto

the right side of the Model 544D’s enclosure.

Once the two standard-length brackets have been

installed the Model 544D will be ready to be mount-

ed into an opening. Secure the unit into the top left

and right edges of the opening using two mounting

screws per side.

To prepare the unit to be mounted onto a at surface

simply requires the standard-length brackets be

attached to the Model 544D at 90 degrees from how

they are mounted for use in a panel cutout. Use a

Issue Preliminary 1, January 2023 Model 544D User Guide

Page 10 Studio Technologies, Inc.

Model 544D

AUDIO INTERFACE

#2 Phillips screwdriver and two 6-32 machine screws

to attach one of the standard-length brackets onto the

left side (when viewed from the front) of the enclosure.

Orient the bracket such that its front is parallel with

the top surface of the Model 544D’s enclosure. The

screws will mate with the threaded fasteners that can

be seen on the side of the Model 544D’s enclosure,

near the front of the unit. Following the same orienta-

tion, use two additional 6-32 machine screws to attach

the other standard-length bracket onto the right side

of the Model 544D’s enclosure.

Once the two standard-length brackets have been

installed the Model 544D will be ready to be mounted

onto a at surface. Secure the unit to the surface using

two mounting screws per side.

Left- or Right-Side Rack Mounting One

Model 544D Unit

Installation kit RMBK-11 allows one Model 544D to be

mounted in the left or right side of one space (1U) of a

standard 19-inch rack enclosure. The kit contains one

standard-length bracket, one long-length bracket, and

four 6-32 thread-pitch Phillips-head machine screws.

Refer to Appendix C for a visual explanation.

Get ready to install the kit by removing the four ma-

chine screws and associated bump on protectors

from the bottom of the Model 544D’s chassis. They

are removed using a #1 Phillips screwdriver. Store the

four machine screws and four bump on protectors for

possible later use.

To prepare the unit to mount in the left side of a rack

enclosure, use a #2 Phillips screwdriver and two 6-32

machine screws to attach the standard-length bracket

onto the left side (when viewed from the front) of the

enclosure. The screws will mate with the threaded

fasteners that can be seen on the side of the Model

544D’s enclosure, near the front of the unit. Using

two additional 6-32 machine screws, attach the long-

length bracket onto the right side of the Model 544D’s

enclosure.

To prepare the unit to mount in the right side of a

rack enclosure, use a #2 Phillips screwdriver and

two 6-32 machine screws to attach the long-length

bracket onto the left side of the enclosure. Using

two additional 6-32 machine screws, attach the

standard-length bracket onto the right side of the

Model 544D’s enclosure.

Once the standard-length and long-length brackets

have been installed the Model 544D will be ready

to be mounted into the designated equipment rack.

One space (1U or 1.75 vertical inches) in a standard

19-inch equipment rack is required. Secure the unit

into the equipment rack using two mounting screws

per side.

Rack-Mounting Two Model 544D Units

Installation kit RMBK-12 is used to allow two Model

544D units to be mounted in one space (1U) of a

standard 19-inch equipment rack. The kit can also

be used to mount one Model 544D and one other

Studio Technologies’ product that is compatible with

the RMBK-12, such as the Model 545DR Intercom

Interface or the Model 5421 Dante Intercom Audio

Engine. The RMBK-12 installation kit contains two

standard-length brackets, two joiner plates, eight 6-32

thread-pitch Phillips-head machine screws, and two

2-56 thread-pitch Torx™ T7 thread-forming machine

screws. Refer to Appendix D for a visual explanation.

Get ready to install the kit by removing the four ma-

chine screws and associated bump on protectors from

the bottom of each chassis. They are removed using

a #1 Phillips screwdriver. Store the eight machine

screws and eight bump on protectors for possible

later use.

With assistance from a #2 Phillips screwdriver, use

two of the 6-32 machine screws to attach one of the

standard-length brackets onto the left side (when

viewed from the front) of one of the Model 544D units.

The screws will mate with the threaded fasteners that

can be seen on the side of the Model 544D’s enclo-

sure, near the front of the unit. Using two more of the

6-32 machine screws, attach one of the joiner plates

onto the right side of that same Model 544D unit.

Again using two of the 6-32 machine screws, attach

the second standard-length bracket onto the right side

of the second Model 544D or another compatible unit.

Using the nal two 6-32 machine screws, attach the

second joiner plate onto the left side of the second

Model 544D or other compatible unit with an orien-

tation of 180 degrees from the way in which the rst

plate was installed.

To complete the assembly, “join” the units together

by sliding each joiner plate through the other. The

grooves in each joiner plate will carefully align with

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Seca 460 Manuel utilisateur

Cognex

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Mect

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Bad Caf

Bad Caf THE LEASH Manuel utilisateur

Strymon

Strymon NIGHTSKY Manuel utilisateur

Mitsubishi Electric

Mitsubishi Electric 16CH DIGITAL RECORDER DX-TL5000U Manuel utilisateur

Tews Technologies

Tews Technologies TPMC465 Manuel utilisateur

Honeywell

Honeywell Excel 50 Manuel utilisateur

SeaLevel

SeaLevel COMM+8.LPCI Manuel utilisateur

Arturia

Arturia AUDIOFUSE STUDIO Manuel utilisateur

Rukra

Rukra RK-1240 Manuel utilisateur

Samson

Samson SCOM Manuel utilisateur

Dynacord

Dynacord DPS260 Manuel utilisateur

Nice

Nice Core Manuel utilisateur

Pyle Pro

Pyle Pro PSS8 Manuel utilisateur

RF-System

RF-System TinyGate Manuel d'utilisation et d'entretien