MTK952 User Manual
Contents
1. Push the SAVE button to confirm In the same screen is showed the reflected power and the SWR Stationary Wave Ratio sensing on antenna outputs n Power Ts pwr settings 100 mv Tg par measure 107 ma io 11 mist zyr 1 34 z showed at the bottom of the display Fowler SAVE The set TX power and the measured SWR are always Audio source This menu allows to set several parameters of audio input Parameters Range setting Function Cd Max audio level 6 0 66 12 18 dBu To change increase or decrease the analogue audio ner ana nun _ putter bth igh and chanel Audio gain left 20 24dB To change increase or decrease the input level of the left channel on DSP Audio gain right 20 24dB To change increase or decrease the input level of the right channel on DSP AF level meter input modulation To set which AF level is shown in the two LED bars for the AF levels L left amp R right levels they can show AF input levels or modulation levels after the pre emphasys and compander phases Mono config Mono mono To set the type of mono input only for mono Mode R mono L Options This menu allows to change some parameters of the transmitter or display some information Parameters Range setting Function gt gt Name ex TRANSMITTER1 To change the name of the transmitter shown in the Status screen Mame MITTEE 33 abphonumene croci a _ DISPLAY timeout 5 60 step 5sec To set the display timeout for 60 1202. none the MTK952 automatically replaces the corrupt copy1 with copy2 none the MTK952 automatically replaces the corrupt copy2 with copy1 check in the MAIN gt Options gt info menu the Serial take on the UNCAL vale In this case send the MTK952 to the Wisycom Repair Centre for recalibration If a problem occurs that is not listed in the above table or if the problem cannot solved with the proposed troubleshooting please contact support service at support wisycom com or sales wisycom com 13 RACK TX MANAGER MTK952 How to install Rack Tx Manager MTK952 Run the executable file i e Rack Tx Manager MTK952 SERVICE vx x x x Setup msi and follow the installation instructions How to update Rack Tx Manager MTK952 Uninstall the Rack Tx Manager MTK952 program active in your computer and afterwards install the newest version of Rack Tx Manager MTK932 How to connect MTK952 to Rack Tx Manager MTK952 1 Connect to the PC to the MTK952using the supplied Ethernet cable 2 Run Rack Tx Manager MTK952 3 Power onthe a Rack Tx Manager MTK952 SERVICE v 0 4 0 1 a transmitter SA 4 Push Disconnected Eee Treni button On the Device 1 connection windows select Ethernet port and Liri LI fill in the MTK952 IP address Remember that Port selection the label on the rear panel shows the IP e address configured in ssi o the factory Then click t OK 5 Ifthe connection is ea A Rack Tx Manag
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4. move between MHz and KHz Confirm or exit with the buttons As shown in the above picture the display area has 3 rows with 1 Channel number 0 to 60 and Channel frequency in 25kHz step 2 Number 1 to 40 and Group name 8 char 3 Group description 30 char The MTK952 has 40 groups of 60 channels each Normally this is too much for wireless microphones applications Connecting with computer with WISYCOM Rack MANAGER software it is possible to hide single channels or even complete groups of channels once hidden those items are not shown anymore on the channels or groups selection To show channels or groups hidden use again the WISYCOM Rack MANAGER software Using this software it is also possible to lock channels or groups When a channel is locked it is not possible to change the frequency from the front panel of the transmitter Locking a group means that all channels are locked When a channel or a group are locked at the left of the group name in the Chan Group menu will appear a lock icon as shown in the picture below When the lock picture is shown the central button is not displayed thus changing frequency is not possible Group name The second item on the Main menu is GROUP NAME with this function is possible to assign or change a name to a group of channel This short name 8 character is displayed at the right of the group number in the main display view First chose the group and then press the knob You will be a
5. or in hot environments do not use outside the Operating temperature range e Do not open the apparatus only qualified service technician are enabled to operate on it The apparatus needs servicing when it is not properly working or is damaged by liquids moisture or other objects are fallen in the apparatus e Use only accessories or replacement parts authorized or specified by the manufacturer e Clean the apparatus only with dry cloths do not use liquids e The ON OFF is a double pole circuit breaker but to ensure the complete disconnection of the apparatus disconnect the power cord e Report the serial number and the purchasing date in front of the manual It is needed to have proper replacement parts or accessories from the manufacturer e When replacement parts are needed use only replacement parts authorized from the manufacturer Substitution with not authorized parts could result in electric shock hazards or fire e Keep attention on all the labels with warnings or hazards on the apparatus WARNING The apparatus is intended for professional use anyway the manufacturer alerts the user that the headphone output power of the apparatus could exceed the level of 85 dB A of sound pressure level and this could be dangerous for the hearings Do not use the headphone with high power level or for long time Reduce the power or suspend the hearing in case of any kind of hearing problem QUICK START INSTRUCTION 10 11 Connec
6. 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 nonch 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 apparecchiatura giunta a fine vita e organizzata e gestita dal produttore L utente che vorr disfarsi della presente apparecchiatura dovr quindi contattare il produttore 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 successivo 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 reimpiego e o riciclo dei materiali di cui composta l apparecchiatura Lo smaltimento abusivo del prodotto da parte del detentore comporta l applicazione delle sanzioni am ministrative previste dalla normativa vigente MTK952 User Manual rev 01 a IICT I NM Or Om C vr U y ala ale MO WI VVIO f U
7. MTK952 User Manual Dual Transmitter Mono Stereo Intercom Modulation SN rev 01 rif FW 1 2 Author Support Date 02 April 2013 BRIEF DESCRIPTION MTK952 is a versatile dual transmitter capable of working in a huge UHF bandwidth and of generating any kind of narrow band modulations with very high quality and low spurious emissions Main features e 330 MHz Bandwidth 470 MHz 800 MHz e 2400 user defined frequencies 40 group by 60 freq e Stereo mono intercom audio modulation e Output power up to 2 Watt W option e Analogue amp digital input AES3 e Redundant power supply 230 110 Vac amp 12 VDC e DSP audio processing 40bit floating point 2Gflops with multi companding e Direct Digital Synthesis DDS of signal for the highest flexibility and quality gt 70 dB stereo separation s SWR Stationary Wave Ratio sensing on antenna outputs Above a schematic with the functional diagram of one transmitter of MTK952 LINE R LINE L AES EBU L R Digital Sound Processor MTK952 use extreme technologies like v Direct Digital Synthesizer DDS DDS is a type of frequency synthesizer used for creating arbitrary waveforms from a single fixed frequency reference clock A DDS has many advantages over its analog counterpart the phase locked loop PLL including much better frequency agility improved phase noise and precise control of the output phase across frequency sw
8. and calibration data Code 0x05 0x84 0x84 0x04 0x02 0x03 0x80 0x81 0x8D Type TX TX TX general general general general general general general general led Message on display A ATTENTION antenna mismatch High SWR on Tx out ATTENTION antenna mismatch High SWR on Tx out Rf pwr reduced ATTENTION RF PLL lock lost EEPROM access error only on TX1 ATTENTION OL PLL lock lost only on TX1 ATTENTION internal temperature high only on TX1 ATTENTION fan 1 does t work properly only on TX1 ATTENTION fan 2 does t work properly only on TX1 no no no When an alarm occurs the MTK952 can do one or more of the following acts B turnonthe yellow or red alarm re ed nn ws A show a message on the display Alarm list C no Tx power reduced Rf PLL lock lost Error on I2C bus OL PLL lock lost High internal temperature Fan 1 doesn t work Fan 2 doesn t work Mem copy1 recovered Mem copy2 recovered Mem init Service req MTK952 User Manual Troubleshooting Alarms TX Power Mismatch reduced TX Power Timeout 5 sec on PLL bus I2C Error Timeout 5 sec on PLL OL 969 High internal temperature Fan 1 doesn t work Fan 2 doesn t work Recovered configuration and calibration data from copy1 on the memory Recovered configuration and calibration data from copy2 on the memory Load de
9. ars on the left top of the display If the node MODE to edit is the current mode load on the DSP on j the Main gt Mode menu the dsp abbreviation Mame cli Mono stereo mono i indication is shown Shown below the parameters list Parameter Range setting Description Changeable PRESET MODE w I Oe Tel HP filter Flat 20 40 60 80 High Pass filter 120 170 250 300 Hz LP filter 3 4 12 15 20 Kz Low Pass filter Bypass 10 750 us Pre emphasis yes FM peak 2 100 KHz Max peak deviation ati related deviation audio tone squelch to the TSQ frequency 30 260Hz and Frequency of Tone Squelch signal mode 28 34KHz TSQ deviation OFF 100Hz 5kHz Deviation of Tone Squelch signal Alarm List ATTENTION antenna mismatch gt gt IT eval a Nn l Tamil IL U setr IV I anual or il 1 High SR on Tx aut AF pwr reduced Tu Se Power 100 C insert the alarm on the alarm list in the MAIN gt Options gt Info gt Alarms menu The alarm can be related to a specific transmitter TX1 or TX2 or general Shown below the complete alarms list Alarms TX Power Mismatch TX Power reduced Timeout 5 sec on PLL Errore bus I2C Timeout 5 sec on PLL OL969 High internal temperature Fan 1 doesn t work Fan 2 doesn t work Recovered configuration and calibration data from copy1 on the memory Recovered configuration and calibration data from copy2 on the memory Load default configuration
10. ble to edit any character of the group name rotating the knob Push the knob to edit the next character Confirm or exit with the buttons Mode The MODE menu allows to assign a Mode setting at the transmitter Rotating the knob it is possible to change current mode among the modes available for more detail see MODE menu TX on air at startup This menu allows to decide if turn ON or turn OFF the RF power of the transmitter while the MTK952 is powering on If set to NO while the MTK952 is powering on the RF output remains mute The Status Screen on the display shows TX OFF and the set Group Channel and frequency NOTE When the RF power of the transmitter is OFF all the led and the bars remain turned off Pushing the rotatory knob at the right of the display it is possible to activate the led and bars keeping the RF power OFF and enter on the menu In order to activate the RF output press the 3 button at the bottom see indication ON on the display If set to YES during the MTK952 power on the progress bar appears for 10 seconds During this were interval 10 sec it is possible to switch off the RF TX powering 529 000 MHz output If no button is pushed at the end of the timer the RF output is enabled automatically TX power This menu allows to set the power of the transmitter Rotating the knob it is possible to change current TX power setting among 10 20 50 100 200 mW 2W only for MTK952 with 2W option
11. ency O current TX power setting current SWR Stationary Wave Ratio power supply type EEE for AC power mar for DC power menu Thru the main menu on the LCD display and the LED bars for the AF level and modulation the user has the complete monitoring in real time of the wireless channel in use MENU TREE To access the configuration menu of the transmitter is necessary to press the rotary knob at the right of the display To activate one of the items in the menu press the corresponding button to the right of the display see picture hereafter van gt Chr Audio source Group name Input Mode Max audio level TX on air at startup Audio gain left TX Power Audio gain right AF level meter Mono config Name Infos DISPLAY brightness Serial DISPLAY timeout Range Temp RF ampl Temp RF gen Temp micro Temp pwr supply FW ver Boot ver App FW ver DSP FW ver Alarms mone gt Name Mono stereo Compander HP filter LP filter Pre emphasis FM peak deviation TSQ frequency TSQ deviation Main menu The first item on the menu tree is MAIN Ch Gr The CHANNEL GROUP item enables the user to edit channel channel group and frequency of the selected item Change rotating the knob the channel or the group of channels and confirm or exit with the buttons To edit the frequency of selected channel press the middle button and change it with the knob Press the knob to
12. er MTK952 SERVICE v 0 4 0 1 Ee ended well the Connected icon is Connected Channel memory showed on the top of Channels memory the pa nel and Write from WDF file Connected on Read and save to WDF file Ethernet is displayed on the information panel Application Log Connected on Ethernet Device MTK952 How to load save channels memory Select Channel memory panel Write Push the button Write from WDF file and select the wdf file to load a wdf file on the MTK952 Read and save Push the button Read and save to WDF file insert the wdf file name and the path where to save the wdf file During the process of writing reading amp saving a green bar below the panel shows the progress of the process and on the information panel it is possible to verify what the application is doing Application Log Connected on Ethernet Reading channels memory GR 09 CH 36 Device MTK952 To Modify the wdf file it is possible to use the spreadsheet FREQUENCY 2010 v15 beta xIs presents at the following link open the file and enable changes and macro load the wdf file clicking on READ WDF button execute the desiderate changes save the wdf file clicking on SAVE WDF button The WDF thus modified can be used to write on the MTK952 s channels memory ITALY ONLY Obblighi di informazione agli utilizzatori Modello di informazioni agli utenti dei prodotti di tipo professionale
13. fault configuration and calibration data Alarm description The SWR on Tx out is too high The SWR on Tx out is too high the RF power is reduced Error during frequency tuning Error on I2C bus Error during frequency tuning One of the 4 temperature sensors measures a temperature gt 60 C The fan on the left 1 doesn t turn The fan on the right 2 doesn t turn During the MTK952 initialization phase the CRC 16 check of data copy1 detects error During the MTK952 initialization phase the CRC 16 check of data copy2 detects error During the MTK952 initialization phase the CRC 16 check of data copy1 and copy2 detects error rev 01 Throubleshooting check if the antenna is correctly connected check if the antenna cable is correctly connected check if the antenna frequency is according to the one set on the transmitter check if the antenna is correctly connected check if the antenna cable is correctly connected check if the antenna frequency is according to the one set on the transmitter send to repair at Wisycom Repair Centre send to repair at Wisycom Repair Centre send to repair at Wisycom Repair Centre check if the two fans work properly check alarms code 0x02 or 0x03 on the alarm list switch off the MTK952 for cooling and check the location temperature clean the ventilation grids switch off and switch on the MTK952 switch off and switch on the MTK952
14. gain left and right parameters NOTE adjust the audio level thru the mixer and or Max audio level and or the audio gain left and right parameters so that for the maximum input signal level the AF level bars show the MAXIMUM the MOD modulation bar shows the NUMBERS OF GREEN LED INDICATORS AND NO MAXIMUM NUMBERS OF GREEN LED YELLOW RED CLIP LED INDICATORS INDICATORS AND NO YELLOW RED PEAK LED INDICATOR NO YES NO Enter in the MAIN gt Gh Gr menu and set the group channel frequency Enter in the MAIN gt Mode menu and set the Mode from the list modes Enter in the MAIN gt TX Power menu and set the TX power 10 200mW Exit from the menu and switch on the RF power output pushing the lower button on the right of the display FRONT PANEL CONTROL AND FUNCTIONS MTK952 allows an easy and quick configuration using buttons push knobs and displays The front panel is functionally divided in the following section A SCAN SQUELCH and INFRARED automatic scan squelch settings and remote controlling and MPR30 IEM setup through infrared interface B and C TRANSMITTER1 and TRANSMITTER2 TRANSMITTER 1 Transmitter 1 and 2 configuration and monitor of radio audio levels TRANSMITTER DIGITAL SYNTHESIS MONO STEREO INTERCOM 2 e 9 ve Audio and Modulation indicators e two LED bars for the AF levels L left amp R right levels they can show AF input levels or modulation levels after the pre emphasys and com
15. itching transitions The Direct Digital Synthesis DDS technology can generate virtually any kind of modulation while keeping an absolute phase accuracy Double conversion stage Using a double conversion and saw filter at IFs intermediate frequencies we can achieve a very low spurious emission and a great bandwidth agility 330 MHz Intermodulation cancelling power amplifiers PA module power amplifiers is designed with an exclusive circuitry that reduce the intermodulation generated by external carriers using a wideband phase cancelling design v Digital audio with Shark DSP 40bit floating point amp 2 Gflops power from Analog Device A very powerful Analog Design Shark DSP processor manages the audio with very low delay lt 1 ms and emulates by software all companding and pre emphasis effects SAFETY INSTRUCTION e Read this safety instruction and the manual first e Follow all instructions and information e Do not lose this manual e Donotuse this apparatus under the rain or near the water e Do not install the apparatus near heaters or in hot environments do not use outside the operating temperature range e Mount the apparatus as indicated in the instruction do not block side grids for air ventilation e ATTENTION supply the apparatus with a correct mains voltage and with the ground connection Check the power cord integrity e The power cord must be protected from damage e Do not install the apparatus near heaters
16. or digital audio input TX1 and TX2 O Antenna output TX1 RF output BNC socket Audio input left TX1 balanced AF input 6 3mm jack XLR 3 combo socket and jack O Audio input right TX1 balanced AF input 6 3mm jack XLR 3 combo socket and jack 11 Audio input left TX2 balanced AF input 6 3mm jack XLR 3 combo socket and jack 12 Audio input right TX2 balanced AF input 6 3mm jack XLR 3 combo socket and jack Antenna output TX2 RF output BNC socket LCD DISPLAY TRANSMITTER MENU MTK952 info screen Switch on the MTK952 and by pushing one of rotatory knobs at the right of the display all the basic information are displayed Display of TRANSMITTER 1 Display of TRANSMITTER 2 Wifey Conan MTK352 Range 470 200 MHz Serial number SERIAL NUM HW rey 00 01 i i 0 36 d BL 0 2 9 product and bandwidth OPTIONS 2 serial number DC DC power input 10 16Vdc Max 6A class and hardware version 2W 2Watt MAX power TX Firmware version it includes application firmware version and DSP firmware version Status screen After switch on the transmitters display the Status screen gt menu MAIN uz GROUP_Ge MODE Ng DEBS ENR Wisy CFF The main view has the following info transmitter name amp current channel number and current tuning frequency current group number and group name current mode TV channel used for the current frequ
17. pander phases before the modulation phase according to the AF level meter parameter on Audio source menu e FM modulation of the transmitter channel modulation in dB referred to the nominal deviation LCD display 64 x 254 yellow lighted display 3 push buttons membrane The function of each button upper middle and lower will be readable from the context menu on the display O Push rotary knob Rotate and push to select 6 Warning YELLOW and Alarm RED light indicator D MONITOR Monitor 1 and 2 it actives monitor audio on headphone jack output 6 3mm for transmitter 1 and 2 respectively a green LED is lighted when audio is enable Audio level can be adjusted with the rotary knob The red led CLIP indicates a clipping in the audio monitor output E POWER amp LOCK LOCK it locks the editing of both the displays POWER ON OFF square powering button turns on off the transmitter When in OFF position both phases are disconnected from power REAR PANEL O AC Power Plug AC mains power input IEC Connector 90 264 Vac O Product label with Serial Number Options and Bandwidth Ground point To connect the rack to ground O DC Power Plug optional DC power input 10 16Vdc Max 6A 6 label with IP address of ethernet interface configured on the MTK952 it can be modified using the Manager application Ethernet socket RJ45 for connection to a network or computer Q AES EBU XLR 3 pin connector f
18. step 10 sec e decrease the brightness of the display and e return to Status screen Serial ex R1825694 to show the serial number of the product OE ei e App FW ver ex 0 36 d to show the application firmware version DSP FW ver ex 0 61 d to show the DSP firmware version Alarms ex 0 To show the number n of active alarms Info n 0 gt 0 active alarms n gt 0 gt n active alarms When n gt 0 it is possible to enter in the alarm submenu which allows to show the alarms list a brief description and an alarm code for each alarm 05 alarms DEG Power Loon Sik 15 3 A For the complete list of alarms see Alarm List section Note the complete software and hardware status is displayed on the MTK952 info screen MODE menu The second item on the menu tree is MODE It allows to manage several modes Each mode is a setup saved in an external memory that allows to customized the transmission changing some parameters of the DSP There are 2 types of modes e PRESET mode it allows to change only some parameters the other are fixed e USER mode it allows to change all the parameters Currently 8 USER modes are available The menu Select to edit allows to select the MODE to edit Push the knob to select the mode and push the button LOAD to load the previously saved parameters It is possible to change the parameter value only where the EDIT indication appears During this phases the name of the MODE to edit appe
19. t to the power outlet using the supplied power cable see rear panel connector 1 Attach the antennas to the antenna out BNC connections see rear panel connectors 8 and 13 Connect the audio sources to the relative audio input connectors see rear rear panel connectors 7 for digital audio sources connectors 9 12 for analog audio sources NOTE the cascade configuration allows to use the same analog audio input for more transmitter Power on the MTK952 Switch off the RF output a While the MTK952 is powering on and the progress bar appears push the 3 button at the bottom see indication OFF on the display b AttheendofMTK952 power on push the lower button on the right of the displays Push the rotatory knob and check the more appropriate mode in MODE according to the type configuration of the receiver synchronized with the transmitter Enter in the MAIN gt Audio source menu and a configure the input parameter between digital and analog according to the audio source connected at point 3 b configure the AF level meter parameter as input c if digital audio source e leave audio gain left and right parameters to OdB and adjust the audio level with the mixer e if need change the audio gain left and right parameters d if analog audio source e leave audio gain left and right parameters to OdB and adjust Max audio level parameter NOTE this parameters is unique for both the channels right and left e if need change the audio
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