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DISCOVERY

40 / 44

User Manual

Rev. 2.1 - 27/11/03

10.9.2

Mpx-2 Channel De-Emphasis

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Mpx-M Channel De-Emphasis

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Содержание discovery

Страница 1: ...Manufactured by Italy DISCOVERY User Manual...

Страница 2: ...del Fonditore 2 2c 40138 Bologna Italia Telefono 39 051 6010506 Fax 39 051 6011104 Email info rvr it Web www rvr it All rights reserved Printed and bound in Italy No part of this manual may be reprodu...

Страница 3: ...25 8 1 Dimensional and Environmental Specifications 25 8 2 Electrical Specifications 25 9 Principles of Functioning 27 10 Setting and Impostation 31 10 1 1L Channel Input Level Selection 31 10 2 2L C...

Страница 4: ...DISCOVERY ii User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 5: ...ing from improper procedures or practices by untrained unqualified personnel in the handling of this unit Please observe all local codes and fire protection standards in the operations of this unit WA...

Страница 6: ...DISCOVERY 2 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 7: ...nty you shold follow this procedure 1 Contact the dealer or distributor where you purchased the unit Describe the problem and so that a possible easy solution can be detected Dealers and Distributors...

Страница 8: ...copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be ordered from the following address Be sure to include the equipment model and serial...

Страница 9: ...athing if not breathing begin artificial breathing Figure 3 2 tilt head pinch nostrils make airtight seal four quick full breaths Remember mouth to mouth resuscitation must be commenced as soon as pos...

Страница 10: ...If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of ba...

Страница 11: ...s on average Discovery allows automatically changing over according to the priorities entered up to four audio channels two of which are composite MPX and two stereo The automatism is based on the det...

Страница 12: ...DISCOVERY 8 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 13: ...as Switch are equipped with a selection inside Discovery and set the polarity ON when is OFF and vice versa see section on settings All contacts are enabled to ground To change the detection operates...

Страница 14: ...cursor to the Detect menu and press key OK 2 Using arrow keys move the menu to the channel concerned and press key OK 3 Using arrow keys scroll the several configurations and press key OK 4 Press key...

Страница 15: ...e start up time is enabled every time that Discovery is switched off During such periods no exchange move is operated We advise you not to set this time for a period less than 15 20 seconds The ideal...

Страница 16: ...or a period equal to or higher than the Analog off time or Switch off time parameters If when the restore time is elapsed the channel status fails the restore timer stops at the end of the correspondi...

Страница 17: ...Menu During standard operation the display visualises the analogue level of the channel that is currently sent to the output stage When you want to check the level of a non primary channel you need to...

Страница 18: ...type outputs have been conveniently provided with three connectors and each one of them has been provided with a low impedance buffer Outputs are denominated as MPX A OUT MPX B OUT MPX C OUT and the o...

Страница 19: ...MPX operate as follows 1 Move the cursor to the out to stereo coder menu 2 Press the DOWN arrow 3 Press key OK 4 Using the arrow keys move the cursors to the input that you want to output 5 Press key...

Страница 20: ...DISCOVERY 16 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 21: ...channel follows the rules said for the main channel the old channel is checked and if the standard operation restarts a restore timer works if the system correctly operates until the timer elapses a c...

Страница 22: ...ping pressed the key and release the button after one second approximately If the procedure has been complied with the display will view the word Configuration at this point operate as follows Select...

Страница 23: ...wing parameters Peripheral Talk Address Peripheral Type Software Version Error Status Code Out to Stereo Coder Out to Mpx The user is allowed to change the field relevant to the Peripheral Talk Addres...

Страница 24: ...DISCOVERY 20 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 25: ...evices are disconnected and inputs definied as Fault tollerance are automatically connected to the output stages 7 MPX1 LED indicating when it lit the measure of the level on channel MPX1 8 MPX2 LED i...

Страница 26: ...nput of the left audio of channel 1 11 CH1 RIGHT IN XLR male connector for the input of the right audio of channel 1 12 CH2 LEFT INADJ Trimmer for the adjustment of the left audio level per of channel...

Страница 27: ...ther 4 7 8 5 GND 6 N C 7 Connected together 4 7 8 8 Connected together 4 7 8 9 N C 7 3 2 Ext Interface Type DB16 female 1 O C Chn 1 2 O C Chn 2 3 O C MPX 3 4 O C MPX 4 5 O C Change 6 O C Fault 7 O C M...

Страница 28: ...24 44 User Manual Rev 2 1 27 11 03 7 3 3 I2 C Type DB9 female 1 N C 2 SDA 3 SCL 4 N C 5 GND 6 N C 7 N C 8 N C 9 N C 7 3 4 Left MONO Right MPX Bal Ttpe XLR female 1 GND 2 Signal inphase 3 Signal return...

Страница 29: ...1 5 mm 14 6 Weight 7 Kg Working Temperature 0 C 50 C 8 2 Electrical Specifications AC voltage 220 Vac 15 AC fuse 1AT DC voltage 24Vdc 10 30 DC fuse 2AT Absorbed power 10VA Output current CN1 15V ptc 2...

Страница 30: ...DISCOVERY 26 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 31: ...DISCOVERY 27 44 User Manual Rev 2 1 27 11 03 9 Principles of Functioning A schematic view of the modules and connections making up the DISCOVERY is shown in figure 9 1 Figure 9 1...

Страница 32: ...DISCOVERY 28 44 User Manual Rev 2 1 27 11 03 The figure 9 2 shown the exchange logics Figure 9 2...

Страница 33: ...DISCOVERY 29 44 User Manual Rev 2 1 27 11 03 The figure 9 3 shown the block diagram of DISCOVERY connection general configuration Figure 9 3...

Страница 34: ...DISCOVERY 30 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

Страница 35: ...led No Jumper 10 1 1L Channel Input Level Selection 10 1 1 1L Channel Input Level Selection Jumpers concerd JP40 JP39 KQ XPSHUV 6HOHFWLRQ 3 3 G 9 U P V G 9 U P V G 9 U P V 10 1 2 1L Channel Unbalanced...

Страница 36: ...Q 3 3 KQ 5 DXOW 7RO 6HOHFWLRQ 3 3 Warning Chn 1 and Chn 2 may not be contemporarily selected in the standard adjustment fault tolerance jumpers relevant to channel Chn 1 are entered 10 2 2L Channel In...

Страница 37: ...RQ 3 3 G 9 U P V G 9 U P V G 9 U P V 10 2 4 2R Channel Input selection Jumper concerned JP57 JP60 KQ 5 6HOHFWLRQ RQILJXUDWLRQ 3 3 DODQFHG QSXW 8QEDODQFHG QSXW 10 2 5 FAULT Tolerance Input Selection Ju...

Страница 38: ...Fault Tolerance Input Selection Jumper concerned JP3 03 DXOW 7RO 6HOHFWLRQ 3 It is not allowed contemporarily selecting more than one channel MPX 1 MPX 2 and MPX m Fault Tolerance jumpers relevant to...

Страница 39: ...one channel MPX 1 MPX 2 and MPX m 10 5 MPX M Channel Input Level Selection 10 5 1 MPX M Channel Input Level Selection Jumpers concerned JP19 JP21 03 0 XPSHUV 6HOHFWLRQ 3 3 G 9 U P V G 9 U P V G 9 U P...

Страница 40: ...er to select the polarity logics of the digital inputs position the jumpers as specified in the table The standard setting fixes that when a switch signal is closed to ground the associated channels f...

Страница 41: ...Selection When S N controls of MPX channels are not enabled due to special environmental conditions it is possible to disable them by removing the corresponding jumpers Jumpers are enabled in the sta...

Страница 42: ...n Control Selection When Stereo controls of MPX channels are not enabled due to special environmental conditions it is possible to disable them by removing the corresponding jumpers Jumpers are enable...

Страница 43: ...nnel 50ms 75ms De Emphasis Selection In the standard setting MPX channels are with a 50ms de emphasis to obtain a 75ms de emphasis add as much jumpers as in the table 10 9 1 Mpx 1 Channel De Emphasis...

Страница 44: ...User Manual Rev 2 1 27 11 03 10 9 2 Mpx 2 Channel De Emphasis 03 KDQQHO V 3 3 85 V 3 3 86 03 5 KDQQHO V 3 3 85 V 3 3 86 10 9 3 Mpx M Channel De Emphasis 03 0 KDQQHO V 3 3 85 V 3 3 86 03 05 KDQQHO V 3...

Страница 45: ...DISCOVERY 41 44 User Manual Rev 2 1 27 11 03 11 References 11 1 Meant of the LED...

Страница 46: ...n means there s not stereo DL4 S N Mpx 1 LED lit on means alarm noise DL5 S N Mpx 2 LED lit on meansalarm noise DL6 S N Mpx M LED lit on means alarm noise Relais Outputs DL12 Mix relay active when the...

Страница 47: ...us one Optional State 4 Funzionamento switched channel with lower priority of the previous one Optional State 5 Emergency channels available not good Tolto Stato 6 Emergency MpxM channelnot good State...

Страница 48: ...DISCOVERY 44 44 User Manual Rev 2 1 27 11 03 This page was intentionally left blank...

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