AETA 4MinX Manuel utilisateur

AETA AUDI O SYSTEM S

18-22, avenue Edouard Herriot ±Kepler 4 ±92350 Le Plessis Robinson ±FRANCE

Tél. +33 1 41 36 12 00 ±Fax +33 1 41 36 12 69 ±Web: http://www.aeta-audio.com

55 000 061 - H

4MinX - User manual

4MinX&

Portable M ixer/Recorder

User manual

55 000 061 - H

4MinX - User manual

Index

1.!Technical Characteristic...........................................................2!

2.!AUDIO Interfaces......................................................................3!

2.1. Audio Inputs .................................................................................................3!

2.1.1. ,QSXW³0LF/LQH´ ...................................................................................3!

2.1.2. Line inputs/return ..................................................................................6!

2.1.3. (PEDVH³(;7,2´5pFHSWHXUV+) ......................................................6!

2.1.4. AES Inputs ............................................................................................7!

2.2. Audio outputs ...............................................................................................7!

2.2.1. 0DLQRXWSXWV³/LQH2XW´ .......................................................................7!

2.2.2. 8QEDODQFHG³/LQH2XW´ .........................................................................7!

2.2.3. Analog outputs for radio transmitters ....................................................7!

2.2.4. Digital outputs .......................................................................................8!

2.3. Monitor .........................................................................................................8!

2.3.1. Display screen .......................................................................................8!

2.3.2. Configuration ........................................................................................9!

2.3.3. Headphone monitoring ........................................................................11!

2.4. Internal alignment signal generator ............................................................11!

2.5. Intercom / Slate microphone.......................................................................12!

3.!Powering...................................................................................13!

3.1. Specifications.............................................................................................. 13!

3.1. Switching on and off...................................................................................14!

4.!Menu description.....................................................................15!

4.1. General principles.......................................................................................15!

4.2. Menu structure ............................................................................................16!

4.3. Menu : « Audio »........................................................................................ 18!

4.3.1. Menu : « Audio Inputs »......................................................................18!

4.3.2. Menu : « Audio Output » ...................................................................19!

4.3.3. Menu : « Coupling »............................................................................19!

4.3.4. Menu: « Routing »...............................................................................19!

4.3.5. Menu : « P1-P4 function »...................................................................20!

4.3.6. MIDI Menu .........................................................................................21!

4.3.1. Menu « Master gain»..........................................................................23!

4.3.2. Menu « Mixdown Limiter» .................................................................23!

4.4. Menu : « Recording » .................................................................................23!

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4.4.1. Menu: « Project Management » ......................................................... 23!

4.4.2. Menu : « File Management ................................................................. 26!

4.4.3. Menu : « Filename template »............................................................. 29!

4.4.4. Menu : « Meta data » .......................................................................... 29!

4.4.5. Menu : « File format » ........................................................................ 32!

4.4.6. Menu : « Pre-record » ......................................................................... 32!

4.4.7. Menu : « Backup False take »............................................................. 33!

4.4.8. Menu « Backup to USB » ................................................................... 33!

4.5. Menu « Settings »....................................................................................... 34!

4.5.1. Menu : « Synchronization »................................................................ 34!

4.5.2. Menu : Time Code ( Option).............................................................. 35!

4.5.1. Menu : « Snapshots ».......................................................................... 36!

4.5.2. Menu : « Tone ».................................................................................. 36!

4.5.3. Menu : « Display ».............................................................................. 36!

4.5.4. Menu : Function keys.......................................................................... 36!

4.6. Menu : « Tools » ........................................................................................ 37!

4.6.1. Menu : Power down ........................................................................... 37!

4.6.2. Menu : Sleep ...................................................................................... 37!

4.6.3. Menu : Eject media ............................................................................ 37!

4.6.4. Menu : Reset settings ......................................................................... 38!

4.6.5. Menu : Import/export configurations ................................................. 38!

4.6.1. Menu : Format media......................................................................... 38!

4.6.2. Warning .............................................................................................. 39!

4.6.3. Update................................................................................................. 39!

5.!Operating mode ±Detailed description.................................40!

5.1. Interface ..................................................................................................... 40!

5.2. Start a record .............................................................................................. 41!

5.3. Play a take .................................................................................................. 42!

5.3.1. Navigation........................................................................................... 42!

5.3.2. Play ..................................................................................................... 42!

5.3.3. Monitoring .......................................................................................... 42!

5.3.4. Search or modify a take ...................................................................... 43!

5.4. Shortcuts..................................................................................................... 44!

5.1. Quick Screens/configurations..................................................................... 44!

5.1.1. Inputs configuration ............................................................................ 45!

5.1.2. Audio Routing..................................................................................... 46!

5.2. Snapshots ................................................................................................... 47!

5.2.1. Save / Load ......................................................................................... 47!

5.2.2. Export ................................................................................................. 48!

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4MinX - User manual

5.2.3. Import..................................................................................................48!

6.!Audio couplings.......................................................................50!

6.1. Microphones ...............................................................................................50!

6.1.1. Monophonic ........................................................................................50!

6.1.2. Stereophonic........................................................................................51!

6.1.3. Surround ..............................................................................................52!

6.2. Stereo coupling ...........................................................................................54!

6.3. M/S coupling ..............................................................................................55!

6.4. Double M/S coupling..................................................................................56!

6.5. Link all 1 to 4..............................................................................................58!

6.6. Soundfield A/B format (Optional) ..............................................................59!

7.!Technical Specifications..........................................................63!

7.1. Microphone/Line inputs..............................................................................63!

7.2. Line input....................................................................................................64!

7.3. AES inputs..................................................................................................64!

7.4. "Line Out" balanced analog outputs ...........................................................65!

7.5. "Line Out" unbalanced analog outputs ....................................................... 66!

7.6. Digial outputs ............................................................................................. 66!

7.7. Headphone output.......................................................................................67!

7.8. "Direct I/O" interface..................................................................................67!

7.9. "EXT I/O": Interface for RF transmitters/receivers ....................................68!

7.10. Power supply ............................................................................................69!

7.1. Time Code ..................................................................................................69!

7.2. Dimensions and weight...............................................................................70!

7.3. Environmental ............................................................................................ 70!

7.4. Options Hirose 10Pins ................................................................................71!

8.!Annexes.....................................................................................72!

8.1. iXML ..........................................................................................................72!

8.2. Overview of connectors and front panel elements ......................................74!

8.3. Block diagram.............................................................................................77!

8.4. Level maps..................................................................................................79!

8.5. Filters..........................................................................................................80!

8.6. Limiter ........................................................................................................81!

4MinX - User manual

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8.7. Accessories................................................................................................. 82!

9.!Notes.........................................................................................86!

Revision:

H ±Build on firmware V1.7.3

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4MinX - User manual

Introduction

4MINX is a portable mixer specially designed for outside recording.

4Minx is new kind of product on this market. It can be use as a traditional

mixer, but can be use as a multi tracks recorder. In same time, it can manage

digital audio treatment in real time.

This equipment is suitable for sound production, with its remarkable audio

features and its full compatibility with « M/S » and « surround » systems.

4Minx have 4 Mic/Line inputs, with all power phantom and limitor, 2 digital

inputs AES3. Digital inputs support the normalization AES42 for digital

microphones (10v phantom power).

4Minx has many outputs, 6 analog channels and 6 digital channels AES3.

The routing capability for each input and each output give complete liberty to

the user.

The multi tracks recorder can grow up to 8 tracks on SD/SDHC card and can

make a backup on external USB disk. You should use SD/SDHC card Class 10

or similar to avoid problems.

A project management included in the unit gives the opportunity to make many

sounds recording without problem.

4MinX has a keyboard and a ´TFT high quality display, offer a simple and

nice user interface. On 4Minx the user can set its own mixer interface in regards

inputs and outputs need in his configuration.

To start a work quickly, you can read the quick start delivery with the unit. It

will provide you all details step by step to start a record.

4MinX - User manual

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1. Technical Characteristic

xLight weight and small dimensions (1.9 kg, 260 x 75 x 195 mm)

x4 Mic/Line transformerless inputs, very low noise (-128dBu)

xAdjustable input gain, 10 dB steps, 0 to +50 dB

xHigh-pass filters on each channel

xMaximum overall gain: 90 dB, useful for dynamic and ribbon

microphones

xMaximum input level: +19 dBu without pad

xInput headroom: 40 dB, independent of input stage gain

xLED for overload warning on each input channel

xFast limiter on each input, 40 dB operating range, with LED indicator

xStereo or M/S coupling on inputs 1&2 et 3&4

xStereo lM/S encoder/decoder on inputs 1 & 2, 3 & 4

x4 main line outputs, maximum level adjustable from -9dBu to +22dBu

x2 return or auxiliary line inputs, maximum acceptable level adjustable

from -9dBu to +22dBu ( for 0dBFS)

xseparate Stereo lM/S encoders/decoders, for monitoring

x2 unbalanced outputs (level 6 dB below the balanced outputs)

x´49*$7)7VFUHHQZLWKDGMXVWDEOHEULJKWQHVVGLVSOD\LQJlarge

scale bargraphs (50 dB dynamic range)

xHigh performance headphone amplifier, with selectable source and

listening mode

xLong operating range on Li-Ion DV battery and charger inside

x3 AES3 digital outputs, stereo, 24 bits, up to 96 kHz

x2 AES3 digital inputs with phantom +10V for AES42 microphones

with sample rate convertor.

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4MinX - User manual

2. AUDIO Interfaces

The functions of the analog and digital mixer are shown on the functional

diagram that can be found in annex,³Block diagram´2QQH[WSDUDJUDSKZH

will describe in detail all inputs and outputs of the 4MinX

2.1. Audio Inputs

2.1.1. ,QSXW³0LF/LQH´

Each of these four inputs is available on a 3-pin female XLR socket, and

is electronically balanced. Each input support 48V phantom power or T12

power. If no powering is active, unbalancing an input has no negative impact on

the performance.

. Each input has its own volume control on the front panel, generally

named « fader ».

Specificities:

-,QSXWVDQGFDQDOVREHIHGIURPWKH³(;7,2´VRFNHWLQZKLFK

case no microphone powering is available

-Input 1 and 2 can stand very strong audio levels thanks to a 20 dB

attenuator. When it is enable, the input level can grow up to +39dBu.

)XQFWLRQVRIWKH³0,&/LQH´LQSXWV

The following functions are available on each input, via a selection in the menu:

4MinX - User manual

55 000 061 - H

xInput stage gain setting, 0dB to +50dB, 10dB steps;

x3KDQWRPSRZHUIRUDPLFURSKRQH9RU³7RQDGHU9´ ;

xAnalog high-pass filtering, 50 Hz cut-off frequency, 18dB/octave;

xDigital high-pas filtering, 50 Hz to 200Hz 12dB/octave and 300 Hz,

6dB/octave, suitable for compensating proximity effects in directional

microphones

xPolarity inversion (phase reversal)

x)DVWOLPLWLQJZLWK³VRIWNQHH´

xRouting to Left or Right bus, or Center (i.e. L and R), with pan-pot, or

not routed at all

x7KH³ULVNRIRYHUORDG´/('EHJLQVWROLJKWDW dB below overhead.

xAttenuator ( 20dB ) can be enable on the mic/line input 1 & 2

Note:

-The 50Hz analog filter can be enabling in the same time as the digital

filtering. In this case rate will be 32dB/Oct below 50Hz.

-A limiter can be inserted into each channel (post-fader). Its activation

is shown by a green LED that turns red when the signal begins to limit.

Stereo and M/S

Via menu selection, channels 1 and 2, 3 and 4 can be used as

independent channels or coupled for stereo or M/S operation. When used as a

couple of stereo or M/S channels, the channel impair becomes the master,

controlling the level of both channels. The channel pair provides +/-5dB

adjustment of the balance in L/R mode (normal stereo), or the stereo width in

M/S mode.

In normal stereo mode, the transducers usually have matching sensitivity:

xAny change of the input gain on one channel induces the same on

the other channel;

xThe even channel control controls the balance between L and R

channels by +/- 6dB

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