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Technical Data

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26

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tx700ins2master.doc

BASS CUT …………………………………………………………………………….. Fixed Bass Cut: -5dB at 50 Hz

(nom.)

Additional 6dB cut at 60Hz

LEVEL CONTROL …………………………………………………………………….. Manual pre-set, 40dB in 8 steps

VOLUME LED INDICATORS ………………………………………………………… ‘0’ light at ALC threshold

‘-10’ light at 10dB below ALC
threshold (ALC system allows
short transients to pass up to
+6dB)

FREQUENCY CONTROL …………………………………………………………….. Screwdriver pre-set

BATTERY CONDITION INDICATOR (-10dB LED) ………………………………… LED at <6.5V

TX LOW BATTERY INDICATOR …………………………………………………….. Signal transmitted at <6.5V

BATTERY TYPE ……………………………………………………………………….. IEC 6LR61 (MN1604) PP3 size

9V (alkaline or lithium)

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Summary of Contents for 700 Series

Page 1: ...TX700 148 TX700 132 TX700 64 TX700 32 700 SERIES MULTI FREQUENCY POCKET TRANSMITTER ...

Page 2: ...Page 2 file tx700ins2master doc ...

Page 3: ...file tx700ins2master doc Page 3 INSTRUCTION MANUAL Covers the following models 700 SERIES TX700 148 TX700 132 TX700 64 TX700 32 Part No IMTX700 1 1 ...

Page 4: ...Page 4 file tx700ins2master doc ...

Page 5: ... Switch panel 13 Transmitter Powering 16 Battery Test and Transmitted Warning 17 Automatic Level Control System 18 Operating Instructions 19 How to get the best from the MICRON 21 Interference 23 Technical Data 25 Antenna Data 28 Transmitter Input Connectors 29 Transmitter Cables 30 Cable Ended Microphones 36 Distributors Appendix ...

Page 6: ...Page 6 file tx700ins2master doc ...

Page 7: ...ly automatic to no limiting action The advanced design enables the limiter to be used as an automatic level control without the pumping effect usually associated with audio AGC and it can also be used as a distortionless emergency limiter to prevent over modulation Additional front end protection is provided by a bass cut switch which may be used to reduce wind noise and counteract close microphon...

Page 8: ...resses the dynamic range of the signal in the transmitter and then expands it again in the receiver Automatic Gain Control Option The design of the limiter in the MICRON transmitter enables it to be used as an automatic gain control system without the pumping effect associated with audio A G C systems It can also be used as a distortionless limiter to prevent distortion due to over modulation Over...

Page 9: ...ed with a simple L E D volume indicator 0 and 10 to allow the modulation level to be set quickly and accurately without having to monitor the receiver output Multiple Input microphone socket The 6 way Lemo connector provides 1 A high sensitivity input for dynamic and condenser microphones 2 Direct powering connection for electret microphones ve and ve bias 3 Powering for 12V T powered condenser mi...

Page 10: ...d by the front and back panel and electronic circuitry is separated by the battery compartment Electronic Reliability Exhaustive test procedures account for roughly half the manufacturing cost of a MICRON The transmitters and receivers are constructed from pre aligned electronic modules The highest risk of component failure is usually early in its working life The object of the lengthy test routin...

Page 11: ...of sophistication provides the user with greatly improved operational performance and sound quality Because the signal to noise performance is so improved the operating distance between transmitter and receiver antenna can be much greater what were previously unusable weak signal areas are now usable In outside broadcasts sound and camera can now operate in synchronization over longer distances an...

Page 12: ...le connection data Set Level Control A screwdriver operated audio gain control used to set the modulation level Modulation Level and Battery Status Indicators The 2 light emitting diodes LED s act as a simple volume indicator The 10 light also doubles up as a battery status indicator Bass Cut Switch The Bass Cut switch provides added front end protection where it may be used to reduce wind noise a...

Page 13: ...pon the model There are 4 models available Model Switch Combination Number of Channels Switch Bandwidth TX700 148 10 x 10 100 48 MHz TX700 132 10 x 10 100 32 MHz TX700 64 8 x 8 64 24 MHz TX700 32 8 x 4 32 14 MHz The frequencies are shown on the serial no label Serial No Label Gives information on 1 Model type 2 Serial No 3 Switchable frequencies in MHz NB The arrow on the switch is used as indicat...

Page 14: ...Switch Panel Page 14 file tx700ins2master doc ...

Page 15: ...Switch Panel file tx700ins2master doc Page 15 ...

Page 16: ...n the supply voltage has fallen to 6 5 volts approx Opening the battery compartment 2 External Powering It is recommended that external power be only applied via a MICRON TLP lead as this lead includes a 9V voltage regulator and dc filtering NOTE Using a transmitter supply greater than 9 volts will not increase the output power and may cause damage to the transmitter The battery compartment is ope...

Page 17: ...rs continuous Figures are based on a 30mW transmitter 20oC Battery data is approximate since battery capacity varies with age and ambient temperature and transmitter consumption varies with antenna position Battery test With an input plug connected the 10dB LED indicator also operates as a battery voltage indicator 10 LED 6 5V No Audio LED not ON With Audio LED ON GREEN 10 LED 6 5V No Audio LED ON...

Page 18: ...ange of 40dB The Automatic Level Control ALC system can be set so that it operates only in an emergency Normal mode or so that it adjusts the gain to suit the user s voice level Automatic mode or so that it never operates at all except in an extreme emergency Low modulation mode When used in the Automatic mode the control system sets the audio gain so that the average speech level is about 9dB bel...

Page 19: ...o audio to the microphone replace TX battery with a new one Check RX RSSI indicator all lights should lit Adjust SET LEVEL gain control while performer speaks at correct level 10 lamp flashes regularly and 0 lamp flashes occasionally For any electret microphones the setting will be Level 4 or 5 Interference Check Switch off TX by disconnecting microphone cable Observe signal strength indicator and...

Page 20: ...reset the audio gain slightly too high and allow the limiter to control the level Speak in an average to quiet voice with the microphone in a realistic position while adjusting the SET LEVEL control so the 0 lamp flashes regularly TX is now ready for use LOW MODULATION LEVEL This procedure is for those situations where the dynamic balance of the dialogue must not be altered at all such as Theatre ...

Page 21: ...ill give a slightly higher output than the short helical antenna the increase being a few dB A properly designed multi element directional antenna will give greater improvement because of its gain It is also a useful means of rejecting a known source of interference if it can be placed with its back to the interfering source Walk test Whenever possible during rehearsal move the transmitter through...

Page 22: ...vents use high gain receiving antennas mounted on tall poles or masts Where appropriate use a remote transmitter antenna as high as possible Use thin low loss 50 Ohm coaxial cable to connect between the transmitter and its antenna Public address fold back and sound reinforcement applications When using a Micron together with a loudspeaker system it is important to make the setting up adjustments i...

Page 23: ...nas and then connect one antenna at a time and make sure each one is free from local interference To improve the situation as far as possible take the following precautions MAKE THE INTERFERING SIGNAL AS WEAK AS POSSIBLE at the receiving antenna Switch off the transmitter Try to identify the source of interference and move the receiving antenna away from it If the interference is continuous use th...

Page 24: ...hole or in part whenever possible When any two mobile radio transmitters operate close together unwanted intermodulation signals will be produced due to interaction between the transmitters The closer the transmitters are together and the closer they are in frequency the stronger the intermodulation signals will be If the intermodulation signals fall within the band of a third channel interference...

Page 25: ...ountries RF TRANSMISSION SYSTEM Carrier frequency to order 470 865MHz Number of frequencies up to 100 Switching range up to 48 MHz Modulation system F3 EGN Maximum Deviation 75kHz Reference Deviation 40kHz RF Output erp 50mW AUDIO System S N Ratio 100dB Frequency Response 80Hz to 20kHz 1dB nom Distortion ref Deviation level 1kHz tone 0 3 THD 1kHz tone 10dB 0 1 THD typ ...

Page 26: ...B in 8 steps VOLUME LED INDICATORS 0 light at ALC threshold 10 light at 10dB below ALC threshold ALC system allows short transients to pass up to 6dB FREQUENCY CONTROL Screwdriver pre set BATTERY CONDITION INDICATOR 10dB LED LED at 6 5V TX LOW BATTERY INDICATOR Signal transmitted at 6 5V BATTERY TYPE IEC 6LR61 MN1604 PP3 size 9V alkaline or lithium ...

Page 27: ...er doc Page 27 Current consumption 65mA 10 Battery Life Approx 6 hours External Power 7 5 to 16V dc with TP cables DIMENSIONS Width 63mm Depth 22mm Height 97mm Weight 146 grams ACCESSORIES SUPPLIED Antenna Instruction manual Belt clip ...

Page 28: ... 00 186 0 206 0 376 GREEN 204 00 191 0 217 0 362 BLACK 500 00 470 0 530 0 134 129 BROWN 550 00 520 0 580 0 115 110 RED 570 00 554 0 615 0 112 107 ORANGE 660 00 630 0 692 0 103 93 YELLOW 730 00 698 0 757 0 95 85 GREEN 767 00 726 0 792 0 88 78 BLUE 788 00 764 0 850 0 86 76 WHITE 846 00 780 0 890 0 81 71 FREQUENCIES IN MHz NOTE RX AND TX ANTENNA LENGTHS ARE SAME IN THESE FREQUENCY RANGES ...

Page 29: ... Lemo or ODU Connector Top View CONNECTIONS FUNCTION NOTES 1 Mic input 2 M 5V out for negative biased microphones 3 BATT EXTPWR BATT Volts to power P48 or to externally power TX with TLP cable 4 Battery Link Battery and 5 0V 0V to turn TX ON 6 M 9V out for positive biased microphones ...

Page 30: ...mbering scheme for Lemo or ODU cable connector View from soldering side of connector Lemo FGG OB 306 CLAD31Z Or ODU S20BOC TO6MCCO 30GP 6 Pin Microphone Input Cable Connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 31: ...c Microphone Cable file tx700ins2master doc Page 31 TRANSMITTER CABLE CODING EXAMPLE YELLOW DYNAMIC WHITE CONDENSER A B POWERED GREEN CONDENSER 12V PHANTOM BLACK LINE BLACK SPLIT CABLE LINE EXTERNAL POWERING ...

Page 32: ...oc TDN15CF6 Dynamic Microphone Cable Code Yellow TCAB15CF6 Condenser AB Powering Cable Code White View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 33: ...33 TCP15CF6 Low Voltage 12V Phantom Powering Cable Code Green TL20CF6 Line Input Cable Code Black View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 34: ...TLPO7CF6 Line Input With External Powering Cable Y Cable Code Black P48 MICRON Phantom Powering 48V View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 35: ...er doc Page 35 2TLPO7CF6 Double Line Input with External Powering Cable Code Red Blue View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 36: ...Cable Ended Microphones Page 36 file tx700ins2master doc View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 37: ...Cable Ended Microphones file tx700ins2master doc Page 37 View of LEMO from soldering side of connector The pin numbers indicate the wiring standard set by MICRON and all cables in this manual ...

Page 38: ...Page 38 file tx700ins2master doc ...

Page 39: ...Appendix ...

Page 40: ...Page 40 file tx700ins2master doc ...

Page 41: ...5160 Technologielaan 3 Heverlee 3001 Belgium BRAZIL STERLING DO BRAZIL 55 21 622 1536 55 21 622 1825 Rua Miguel De Frias 77 Sala 1101 Icarai Seventy Seven Niteroi RJ CEP24220 000 Brasil CANADA AUDIO SERVICES CORP CANADA LTD 1 416 251 5409 1 416 251 7438 1545 The Queensway Toronto Ontario M8Z 1T8 Canada DENMARK DANMON DENMARK 45 4 596 8800 45 4 593 4150 Nybrovej 99 2820 Gentofte Denmark ...

Page 42: ...5019 Paris France GERMANY AMBIENT RECORDING GMBH 49 89 651 8535 49 89 651 8558 Konradinstr 3 D 81543 Munchen 90 Germany NETHERLANDS MATTIJSEN AUDIO ELECTRONICS 31 20 699 0480 31 20 699 3641 Rijksstraatweg 125A An Duivendrecht 115 Netherlands NORWAY DANMON NORGE A S 47 66 99 5400 47 66 99 5499 Postboks 733 N 1411 Kolbotn Norway SWEDEN JOSON AB 46 8 667 5920 46 8 667 1812 Strindbergsgatan 58 11528 S...

Page 43: ...MS LTD 852 2330 5683 852 2363 7930 AND CHINA Unit K 9th Floor Kaiser Estate Phase 2 51 Man Yue Street Hung Horn Kowloon Hong Kong TURKEY NEFAN Ltd STi 90 212 288 4139 90 212 266 9558 Vefa Bey Sokak No 26 Yesil Apt A Blok D 5 Yildiz Posta Caddesi Esentepe Istanbul Turkey UK AUDIO ENGINEERING LTD 44 020 8341 3500 44 020 8341 5100 Micron House 3 New Road London N8 8TA Dealer Please contact Audio Engi...

Page 44: ...AUDIO ENGINEERING LIMITED MICRON HOUSE 3 NEW ROAD LONDON N8 8TA Telephone 44 0 20 8341 3500 Fax 44 0 20 8341 5100 ...

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