Junger Audio Transmission processor Level Magic LT User Manual

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LEVEL MAGIC

transmission processor

digital audio processing

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Level Magic LT

jjuunnggeerr aauuddiioo

Junger Audio Studiotechnik GmbH

Justus-von-Liebig-Str. 7 — 12489 Berlin — Germany

phone: [phone] — fax: [phone]

www.junger-audio.com

release 1.1

FOREWORD

Thank you for buying and using the 2-channel Digital Audio
Level Processor Level Magic LT.

You have acquired the latest generation of digital dynamic
range processing, a piece of equipment which is unique in its
design and specification.

Please read this manual carefully to ensure you have all the
information you need to use the Digital Audio Level Processor
Level Magic LT.

The unit was manufactured under highest industrial standards
and went through extensive quality control checks before it was
supplied.

If you have any comments or questions about installing, setting­up or using the Level Magic LT, please do not hesitate to
contact us.

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3-4
3-5
3-6
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3-7-1
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CONTENTS

2. Functional description

2.1. Basic description

2.2. Block diagram

3. Installation

3.1. Unpacking the unit

3.2. Power supply

3.3. Connections

3.4. Rack mounting

3.5. Operation savety

3.6. Audio connections

3.7. Remote Control

3.7.1. GPI

3.7.2. TALLY

3.8. LAN interface

3.9. USB connector

4. Location and Controls and Connectors

4.1. Front panel

4.2. Rear panel

5. Operation

5.1. Junger Terminal (CD-Rom Configurator)

5.1.1. Network configuration

5.1.2. Web interface/Setup of the IE 7.x

5.1.3. Password management

5.1.4. Initialization / factory defaults

of the web controller

5.1.5. Reboot of the Web Controller

5.2. Web interface

5.2.1. Login

5.2.2. Maintenance

5.2.3. Settings

5.3. Level Magic

TM

Introduction and Reference Guide

6. Technical specifications

7. Warranty and service information

8. Level Magic

TM

LT – Quick Start

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5-1-4

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FUNCTIONAL DESCRIPTION

The Level MagicTM LT Digital Dynamics Processor provides
automated level control, both Transient Control and AGC

-that truly works!

The Level MagicTM Dynamics Processing developed by Jünger
Audio enable level managing devices like compressors, AGC
and limiters to give you precise natural control without
coloration, pumping, breathing, distortions or modulation effects.
The outstanding quality of the processing is based on the Multi­Loop dynamic range control principle in combination with
adaptive controlled processing algorithms developed by Jünger
Audio.

The Level MagicTM LT is easy to operate and requires only a
limited number of settings to be made by the user to achieve
optimum results. All other parameters necessary for inaudible
processing are continuously automatically controlled in response
to changes in the program signal.

In short: The Level MagicTM LT gives you almost inaudible
processing – coupled with extraordinary ease of use.

Level Magic

 Analog and AES Digital inputs and outputs
 2-channels of Adaptive Audio Leveling Processing

AGC, Transient Processor and Limiter

 Adjustable input gain (-20...+20 dB
 Operation via Web Interface (TCP/IP)
 Password protection for View-, Operator- and Admin-logins
 User friendly Presets
 GPI interface for Parallel Remote Control and Tally output

TM

LT features

)

2

2.1

BASIC
DESCRIPTION

Operation manual Level Magic LT, chapter 2 – Functional description

2.2

BLOCK DIAGRAM

Operation manual Level Magic LT, chapter 2 – Functional description

INSTALLATION

The Level MagicTM LT Digital Audio Level Processor was carefully
packed at the factory with packaging designed to protect the unit from
rough handling during shipment. Please examine the packaging and its
contents carefully for any signs of physical damage, which may have
occurred in shipment.

The Level MagicTM LT Digital Audio Level Processor is classified under
the safety category Schutzklasse 1 in keeping with the VDE 0804
standards and may only be used with power supply installations built
according to these regulations.
Check to insure that the mains supply voltage details printed on the
rear panel are the same as your local mains electricity supply.

The Level MagicTM LT Digital Audio Level Processor is equipped with
standard connectors (see Chapter 3).
Before making connections to the Level Magic
power to all units that you are connecting to the Level Magic

The Level MagicTM LT Digital Audio Level Processor is a standard
19“unit (EIA format). That is 1 RU (44 mm) high. Please allow at least
3“depth in addition for the connectors on the rear panel.
When installing the unit in a 19“ rack the rear side of the unit may need
support, especially when mounting in flight cases.

The Level Magic
installed near units which produce strong magnetic fields or extreme
heat. Do not install the audio processor directly above or below power
amplifiers.
If, during operation, the sound is interrupted or displays no longer
illuminate, or if abnormal odor or smoke is detected, immediately
disconnect the power cord plug immediately and contact your dealer or
Jünger Audio.

TM

LT Digital Audio Level Processor should not be

TM

LT switch off the

TM

LT.

3

3.1

UNPACK THE UNIT

3.2

POWER SUPPLY

3.3

CONNECTIONS

3.4

RACK MOUNTING

3.5

OPERATION
SAFETY

Operation manual Level Magic LT, chapter 3 – Installation

3.6

AUDIO
CONNECTIONS

3.7.1

GPI REMOTE
CONTROL
(PARALLEL
REMOTE)

The analogue audio inputs are RFI filtered. The analog outputs are
balanced and floating. All the audio connectors are mounted at the rear
panel. Standard XLR connectors are used wired to the AES standard:

pin 1 X Screen
pin 2 L + Audio (Live audio 0°)
pin 3 R - Audio (Return audio 180°)

Balanced connections are preferred whenever the other equipment
provides balanced inputs/outputs. All line level connections should be
wired with twin screened cable for low noise and reliability. The screen
for the input of the cable should be connected only at the signal source
end. The screen for the output cable should be connected only at he
Level Magic

An unbalanced source should still be connected to the Level Magic

TM

LT connector.

TM

LT using twin screened cable. At the signal source end add a wire
jumper so that the screen is connected to the wire that will go to PIN3
of the XLR on the other end, where it connects to the XLÖR on the
Level Magic

If the equipment following the Level Magic

TM

LT.

TM

LT only has unbalanced
inputs, then we recommend still to use a twin screened cable where
Pin1 and Pin3 are connected in the cable end at the following
equipment (that I s, not at the Level Magic

TM

LT end).

The Level Magic

TM

LT Digital Audio Level Processor can be remote-

controlled by means of parallel GPI contacts.
Use

: Remote Controlled changeover of presets and special

settings

Connector:

D-SUB 9pin, female

1

1

1

Operation manual Level Magic LT, chapter 2 – Functional description

Pin assignments

,

Pin Signal name Functions

1 GPI1 in Defined via software -> setup
2 GPI
3 GPI2 in Defined via software -> setup
4 GPI
5 GPI5 in Auxiliary supply
6 GPI3 Defined via software -> setup
7 GPI
8 GPI4 Defined via software -> setup

9 GPI
Electrical specifications:
GPI input Potential free by opto-coupler, low active

Off: +3.5…+30V between GPI input
and the common pin 5.
On : less then 1.5V
Signal input level LOW: 1,5V or less for a minimum of min.
50ms
level HIGH: 3,5V or more
Characteristic Static GPI,

Pin 1-4

Pin1...13

Pin 6-9

Pin14

Pin 5

Contact to
ext. Ground

Ext. voltage
feed+3

5...30V

min. 50 ms

+3,5...30V

+1,5V

Operation manual Level Magic LT, chapter 3 – Installation

3.7.2

TALLY OUT

The Level MagicTM LT Digital Audio Level Processor can transmit
specific device statuses via parallel Tally lines.

Use

: Indication of the Unit’s basic status

Connector
female panel jack

Pin assignment of the connector :

Pin Signal name Functions

1 Tally 1 Defined via software
2 Tally 2 Defined via software
3 Tally 3 Defined via software
4 Tally 4 Defined via software
5 Ground
6 Tally 1 Common
7 Tally 2 Common
8 Tally 3 Common
9 Tally 4 Common

: D-SUB 25pin

Electrical specifications:

Tally output relay : common /
normally opened

24V - 1A
125V - 0,5A
P

= 62,5VA

max

Operation manual Level Magic LT, chapter 2 – Functional description

The Level Magic

TM

LT Digital Audio Level Processor is set up and
operated via web interface (Internet Explorer/mozilla firefoxx). The
connection is over Ethernet.

Connector

: RJ 45 with status LEDs

8 pin panel jack
Pin assignment of the connector :

Pin Signal name Functions
1 TX + Ethernet send
2 TX - Ethernet send
3 RX + Ethernet receive
4
5
6 RX - Ethernet receive
7
8
9

Electrical specifications: 100Mbit/s auto negotiation port
This port allows remote control of the Level Magic LT by TCP/IP over

Ethernet.

The controller of the Level Magic

TM

LT acts as a CAN-controller (CAN­server) for an external client. For details please refer to the Level Magic
LT web interface description (5.2 OPERATION).

For integration of the Level Magic LT into a LAN your unit hass been
given it’s own IP address (shown on a label on the rear of the unit) and
needs to be given a sub net mask of the used LAN.

For network integration of your device refer to 5.1.1 Operation –
Jünger terminal – network integration).

This port allows network configuration and password
administration.

Before you connect the Level Magic LT via USB to your PC
please install the junger terminal (CD-Rom, see 5.1 OPERATION –

junger terminal).
Connector : USB 1.0
USB connector for serial data transfer

3.8

LAN INTERFACE

3.9

USB
CONNECTOR

Operation manual Level Magic LT, chapter 3 – Installation

FRONT AND BACK PANEL

A

A

4

4.1.

FRONT PANEL

Fig. 1: Front panel of the Level MagicTM LT

Bypass-button

If you hold the bypass-button pressed while switching on the unit, the
controller of the DSP will be initialized.
All user presets are overwritten, Parameters will be set to the TV uni
factory default.

BACKUP presets to your PC first!

ON/OFF status LED

4.2.

REAR PANEL

fig. 2: rear panel Level MagicTM LT

LAN Ethernet port

USB port

nalogI/OPower supply

ES Digital I/O

GPI TALLY
port port

The green LED left of the Ethernet
connector is a status indicator that

shows if the controller is ready to work

When you press the red button for a short time a
reset of the Unit is performed, as if you had cycled
power off and on.
If you press the red button for a longer time,
the LED will begin to flash and the built-in Web
Controller will be reset. Then the factory default
network configuration of the device will be
restored. If you have changed the IP address of
the unit from that shown on the sticker, you will
not have access via your PC GUI. You will have
to change it again via Jünger terminal ( See

5.1.1).

Operation manual Level Magic LT chapter 4 –Location of parts and controls