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Pag. 18

MRK950

  

dual true diversity receiver

Options specifications:

 

low  impedance  transformer  on  audio  lines:

 

Analog audio outputs are galvanically isolated by 

means  of  a  high  quality  low  impedance  shielded 

transformers.

 

»

 output level: 12dBu nom., 18dBu at max FM 

deviation

 

»

 output impedance: < 30Ω (e.g. could drive at 

least 300m of high quality twisted pair audio 

cable  without  degradation  in  frequency  re

-

sponse)

 

coM audio output

: same specifications as LINE 

audio output

 

gPi  output

:  normally  open  opto-relay  isolated 

output, 

 

»

AC/DC 56Vpk max - 100mAmax. 

 

»

10 ohm max on resistance. 

 

»

1/4” (6.3 mm) stereo jack connector (2 pins 

for relay c receiver ground)

 

ethernet  board

:  ethernet  10/100  base  T  inter

-

face, RJ45 connector with integrated link and ac

-

tivity leds for quick check of the connection. Could 

be used with static IP address or in DHCP mode.

 

dsP audio board,

 40bits floating point DSP pro

-

cessor for high dynamic range low noise multicom-

pander  audio  processing  and  digital  data  detec-

tion. A/D and D/A conversions at 96KHz 24 bits. 

 

Ultra low delay processing: tipical audio processing 

delay < 700 µsec.

 

aes/eBU (aes3)

 board, externally sincronizable 

[3]:

 

»

 balanced transformer isolated output

 

»

 24 bit professional audio stream

 

»

 word clock input from 32KHz to 108KHz, BNC 

connector

 

»

 word clock input impedance: 75Ω or high Z 

externally switchable

 

»

 word clock output on BNC connector for cas

-

cading more units

 

»

 needs DSP audio board installed 

 

ethersound®

  interface  enable  the  connection 

of the MRK950EX on a Ethersound® network for 

multichannel digital audio distribution on a single 

cat.5 Ethernet compatible cable. 

 

»

Needs DSP audio board installed. 

 

»

 Two  RJ45  connectors  for  input  and  output 

data lines

obblighi di informazione agli utilizzatori 

Modello di informazioni agli utenti dei prodotti di tipo
“professionale”

infoRMaZione agli UTenTi

ai sensi dell’art. 13 del Decreto Legislativo 25 luglio 

2005, n. 151 “Attuazione delle Direttive 2002/95/CE, 

2002/96/CE  e  2003/108/CE,  relative  alla  riduzione 

dell’uso di sostanze pericolose nelle apparecchiature 

elettriche ed elettroniche, nonché allo smaltimento 

dei rifiuti”

Il  simbolo  del  cassonetto  barrato  riportato 

sull’apparecchiatura  o  sulla  sua  confezione  indica 

che il prodotto alla fine della propria vita utile deve 

essere raccolto separatamente dagli altri rifiuti.

La raccolta differenziata della presente apparecchia

-

tura giunta a fine vita e’  organizzata e gestita dal 

produttore. L’utente che vorrà disfarsi della presente 

apparecchiatura  dovrà  quindi  contattare  il  produt

-

tore e seguire il sistema che questo ha adottato per 

consentire la raccolta separata dell’apparecchiatura 

giunta a fine vita.

L’adeguata raccolta differenziata per l’avvio succes

-

sivo  dell’apparecchiatura  dismessa  al  riciclaggio, 

al  trattamento  e  allo  smaltimento  ambientalmente 

compatibile  contribuisce  ad  evitare  possibili  effetti 

negativi sull’ambiente e sulla salute e favorisce il re-

impiego  e/o  riciclo  dei  materiali  di  cui  è  composta 

l’apparecchiatura.

Lo  smaltimento  abusivo  del  prodotto  da  parte  del 

detentore comporta l’applicazione delle sanzioni am-

ministrative previste dalla normativa vigente.

Iscrizione al Registro A.E.E. n. IT09100000006319

Subject to Change without notice

The  MRK  950  Receiver  system  complies  with  

eTsi  eTs 300 422�

Summary of Contents for MRK 950 EX

Page 1: ...INSTRUCTION MANUAL DUAL HIGH PERFORMANCE WIRELESS MICROPHONE RECEIVER FULL UHF BAND COVERAGE UP TO 370 MHZ MRK950 s n _______________ FW rel _______________ Options _______________...

Page 2: ...Pag 2 MRK950 dual true diversity receiver...

Page 3: ...in card pc like thru the DEXB expansion bus Moreover MRK 950 system is already set up for the exclusive PTT function remote command devel oped and patented by Wisycom and now appreciated in the broad...

Page 4: ...es or replacement parts autho rized or specified from the manufacturer Do not supply more than 7 apparatus MRK950 from the mains output see power requirements for other apparatus Clean the apparatus o...

Page 5: ...gnals from section A B to have the best audio The demodulated signal is then splitted on two parts one part flows to the analog processor and the other part flows to the digital audio processor option...

Page 6: ...nt operation replicates all the analog functions with very high ac curacy ultra low distortion and without typical an alog problems like components tolerances or long term drifts or temperature drifts...

Page 7: ...be off then push SQ button to let the system find the optimal value You can later accept modify or discharge this setup IR interface window for communications between the MRK950 and a transmitter You...

Page 8: ...tter battery charge status Thru the main menu on the LCD display and the LED bars for the RF level and modulation the user has the complete monitoring in real time of the wireless channel in use Menu...

Page 9: ...group of channel This short name 8 char acter is displayed at the right of the group number in the main display view First chose the the group and then press the knob You will be able to edit any char...

Page 10: ...o menu The second item on the menu tree is AUDIO Pressing AUDIO middle button you enter the AU DIO functions menu as shown here below AUDIO Noise red Tone sq Out level Cal tone Noise red The NOISE RED...

Page 11: ...nominal level on the selected receiver Before starting the tone it is possible to select with the knob the outputs for the tone only LINE only COM or LINE and COM together With the buttons it is possi...

Page 12: ...in rank order to find the less noisy channels because they are in the left part of the graph The marker is always active rotating the knob Pressing the knob the graph changes between rank order to ch...

Page 13: ...ble in respect to the dy namic range of the audio signal and the manufac turer specifications If the receiver MRK950 has the DSP board option the scale of the modulation will be changed according to t...

Page 14: ...11 GPI output of the receiver 2 1 4 6 3mm ste reo jack socket Optional 12 XLR 3 pin male connector COM audio output of the receiver 1 balanced Optional 13 XLR 3 pin male connector LINE audio output o...

Page 15: ...r two balanced with XLR connector and one unbal anced with a 1 4 6 3 mm stereo jack connector The unbalanced audio output has the same audio signal of the LINE output The balanced audio out puts could...

Page 16: ...USB A to USB B cable to build a chain of receivers The maximum number of receivers in a chain is four The receiver with the USB connector free is the subnet controller receiver the one in the upper p...

Page 17: ...e squelch it works by decoding the special key sub car rier digitally modulated present on the carrier of the ac tual Wisycom transmitters The tone squelch function can be inhibited for compatibility...

Page 18: ...al audio distribution on a single cat 5 Ethernet compatible cable Needs DSP audio board installed Two RJ45 connectors for input and output data lines Obblighi di informazione agli utilizzatori Modello...

Page 19: ...Pag 19 high performances microphone system...

Page 20: ...no d Ezzelino Italy Tel 39 0424 382605 Fax 39 0424 382733 www wisycom com e mail sales wisycom com WISYCOM srl reserves the right to make changes at any time and without prior notice Printed in Italy...

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