Home

Shure EC Series Wireless User Guide (English)

1.
2. RELATIVE RESPONSE IN dB FREQUENCY IN Hz MODEL EG2 BETA 58 RIGE i AELATIVE RESPONSE IN dB Hr 10 000 26 000 20 50 190 1000 FREQUENCY IN Hz MODEL EC2 87 oo RELATIVE RESPONSE IN dB I 4 i TT 20 56 100 Easy s 1 090 2000 sow n000 20 000 FREQUENCY IN Hz MODEL EC2 BETA 87 TYPICAL FREQUENCY RESPONSE CURVES FIGURE 11 Overall Dimensions excluding antenna EC2 58 EC2 Beta 58 237 mm x 50 8 mm 9 5 46in_ x 2 in EC2 87 EC2 Beta 87 213 mm x 50 8 mm 8 3 g in x 2 in Weight Model Without Battery With Battery EC2 58 453 6 g 16 0 oz 496 1 g 17 5 oz EC2 Beta 58 411 1 9 14 5 oz 453 6 g 16 0 oz EC2 87 337 2 g 11 9 oz 382 7 g 13 4 oz EC2 Beta 87 337 2 g 11 9 oz 382 7 g 13 4 oz Certification Complies with FCC Parts 74 and 90 FCC ID DD4L2 Conforms to European Union Directives eligible to bear CE marking meets European EMC Immunity Requirements EN 50 082 1 1992 ESD IEC 801 2 RF radiated IEC 801 3 EFT IEC 801 4 REPLACEMENT PARTS SM58 Cartridge 0 0 cece eee R158 Beta 58 Cartridge cece eee eee eee eee R160 SM87 Cartridge 0 0 cece eee R128 SM58 Grille is harie ien n
3. 1996 Shure Brothers Inc 278435 PA C Printed in U S A EC2 MICROPHONE TRANSMITTER EC11 BODY PACK TRANSMITTER FEATURES AND CONTROLS FIGURE 1 FEATURES AND CONTROLS FIGURE 2 a aan pe x TO 5 i 7 i J TB a i a 2 OY A E EC11 BODY PACK TRANSMITTER FEATURES AND CONTROLS FIGURE 2 EC2 MICROPHONE TRANSMITTER FEATURES AND CONTROLS 1 INPUT Jack The microphone cable or the WA300 instrument FIGURE 1 adapter cable plugs into this connector 1 Grille Protects the microphone element of the EC2 and helps 2 Battery Test Light Illuminates when the POWER switch is minimize breath and wind noise The various models have dif turned on and a good battery is installed If this light does not ferent grille styling turn on the transmitter will not work 2 Set Screw Loosen only to change microphone heads 3 MICROPHONE ON OFF Switch Mutes the microphone 3 Antenna The EC2 uses a replaceable external helical anten SERTAS without turning the transmitter off so no pop sounds occur na with a female SMA connector The transmitter SMA connec tor and the antenna are color coded with white red blue yel low green or brow
4. MICS ADAPTER CABLE e O BLACK WA302 INSTRUMENT ADAPTER CABLE TIP S SLEEVE EC1 TRANSMITTER CABLE CONNECTIONS FIGURE 5 Any Shure wireless lavalier microphone or accessory cable with a Switchcraft TA4F type 4 pin female connector plugs di rectly into the transmitter input connector Many other condenser microphones will operate using the transmitter s regulated 5 V DC power on pin 2 Low impedance dynamic or ribbon micro phones with pin 2 output can be used with the optional WA310 adapter cable See Figure 5 NOTE Phantom powered condenser microphones will not nor mally operate with the EC1 WA310 transmitter configuration EC1 Audio Gain Adjustment The EC1 transmitter audio gain has been factory set to pro vide a typical level However for SPL applications such as loud singing or loud musical instruments the preset audio gain level on the EC1 transmitter may be too high as indicated by the steady glow of the red AUDIO PEAK light on the EC4 receiver when an RF signal is present For low SPL applications such as soft spoken presenters the audio gain setting may need to be increased as indicated by the failure of the AUDIO PEAK light to turn on when an audio sig nal is present If necessary adjust the audio gain on the EC1 as follows 1 For High SPL Applications Using the supplied screwdriver turn the MIC LEVEL control on the transmitter counterclock wise while
5. TA4F Microphone Cable Connector Plugs into 4 pin input compartment this label lists the transmitter s original operat jack on the body pack transmitter ing frequency 9 Audio HI LO GAIN Switch Controls audio level of the micro 10 Battery Compartment Hinged cover on bottom surface phone exposes the battery compartment EC4 RECEIVER CONTROLS AND INDICATORS R arat EC4 RECEIVER FEATURES AND CONTROLS FIGURE 3 1 POWER ON Indicator This green light glows when the POWER button is turned on 2 DIVERSITY Signal Indicators Yellow lighs glow to show us able RF signals from antenna A antenna B or both Normal operation is indicated when either or both lights glow Note that these lights are not indicators of signal strength but barely flickering lights may indicate marginally acceptable signals 3 AUDIO NORMAL Indicator This green light flashes regular ly to show normal audio operation 4 AUDIO PEAK Indicator This light glows red to show ap proaching audio overload condition Normal operation will cause occasional flashing of this light on loud signals constant glowing indicates excessive audio level and need to lower transmitter Audio Gain switch or rotary control 5 VOLUME Rotary Control Determines signal level at both re ceiver OUTPUT connectors 6 POWER On Off Button Applies power from the DC power in put jack to the receiver circuitry The green POWER light glows and
6. With the transmitter POWER ON OFF switch in the OFF posi tion slide the battery compartment access cover toward the OPEN arrow until the cover pivots open See Figure 4 below 2 Insert a new 9V alkaline battery into the battery compartment Observe proper battery polarity and PRESS HERE AND SLIDE COVER BACK TO OPEN 9V ALKALINE BATTERY J EC1 BATTERY INSTALLATION FIGURE 4 Checking the EC1 Transmitter Battery To check the battery in the EC1 transmitter turn the transmit ter POWER switch on and observe the Battery Test light It should be bright and clearly visible indicating adequate voltage If the light is dim the battery voltage has dropped below 6 5 volts and the battery should be replaced 9V alkaline or recharged Ni Cad only If the light does not turn on the transmitter will not op erate and the battery should be replaced Microphone Connections 1 Plug the lavalier microphone cable or the WA302 instrument adapter cable into the 4 pin connector on the EC1 2 If you are using a lavalier microphone press the microphone into the necktie mounting block and clip it to your tie or lapel If you are using an electric instrument plug the WA302 instru ment adapter cable into you guitar or instrument EC1 TRANSMITTER INPUT CONNECTOR 1 GROUND 2 5 VDC 3 AUDIO FOR DYNAMIC MICS OR INSTRUMENTS 4 20K TO GROUND MATING PLUG SHORTS TO PIN 3 WA310 MICROPHONE FOR CONDENSER
7. a ea eae Meaty EEA RK143G Beta 58 Grille 0 eee eee eee RK265G SM87 Grille cece cee A a ae eee RK277G Beta 87 Cartridge eee eee cece eee eee N Ax Beta 87 Grille 0 eee eee eee 90B3955 EC4 AC Adapter PS20 120V PS20E 220 240V EC4 4 Wave Antenna Assembly 9008342 Replacement cartridges for the Beta 87 are available only through factory exchange or through Shure Distribution Centers FURNISHED ACCESSORIES Rack Panel Bracket EC4 0005 48A8012 Swivel Adapter EC2 00 cece ee eee WA370A Storage Bag EC1 cee 26A13 Storage Bag EC2 eee eee 26A14 OPTIONAL ACCESSORIES Miniature 4 Socket Connector EC1 Body Pack WA330 In Line Audio Switch EC1 000 WA360 1 2 Wave Antenna EC4 specify frequency WA380A B C D Antenna Distribution System eee eee WA400 Antenna Power Distribution System WA404 Antenna Cable Kit EC4 eee eee ee WA420 Antenna Rack Mount Kit EC4 Includes cable UHF adapter and wall_mount bracket INFORMATION TO THE USER The EC4 Receiver complies with Part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference The EC4 Receiver has been tested and found to comply with the lim its of Part 15 of the FCC Rules These limits are designed to provide rea sonable protection against ha
8. and Close the bat tery compartment after the battery has been installed Checking the EC2 Transmitter Battery To check the battery in the EC2 transmitter turn the transmitter POWER switch on and observe the Battery Test light The light should be bright and clearly visible indicating adequate voltage If it is dim the battery voltage has dropped below 6 5 volts and the battery should be replaced alkaline or recharged NiCad only If the light does not glow at all the transmitter will not operate and the battery should be discarded or recharged EC2 Audio Gain Adjustment The EC2 audio gain has been factory set in the LO position for high sound pressure level SPL applications For low SPL ap plications the preset audio gain may be too low If necessary ad just the audio gain on the EC2 as follows 1 Unscrew the handle and locate the audio GAIN switch adja cent to the battery holder See Figure 8 rp p i E DR GAIN HI LO SWITCH EC2 AUDIO GAIN ADJUSTMENT FIGURE 8 2 With the system ON and the transmitter in use select either the LO gain or HI gain position so that the receiver s AUDIO PEAK light flickers only occasionally NOTE Some very loud vocalists may experience audible over load even when the audio GAIN switch is in the LO position The EC2 can be easily modified for h
9. performance time as possible EC4 Receiver Squelch Control Adjustment The SQUELCH control is preset for most operating conditions and does not normally require readjustment However if this set ting needs to be changed to compensate for the effects of other equipment in the system or for the RF conditions at the installa tion site proceed as follows 1 Place the wireless system in the location where it will be used during a performance 2 Turn off the transmitter POWER switch 3 Turn the receiver VOLUME control full counterclockwise and turn the POWER switch on 4 Observe the lights on the receiver front panel If the DIVERSI TY A or B AUDIO NORM or PEAK lights are glowing the SQUELCH control needs to be readjusted Slowly turn the SQUELCH control clockwise until all the lights turn off Con tinue turning the SQUELCH control slightly past this point NOTE Turning the SQUELCH control clockwise will prevent unwanted signals and noise from overriding the squelch circuit when the microphone signal is not present but will effectively decrease the system s operating range 5 To return the SQUELCH control to the factory setting rotate it back to the midrange straight up position EC4 Receiver Volume Conirol The VOLUME control on the EC4 receiver affects both out puts on the rear panel This control can be adjusted to make the system output identical to that of a conventional wired micro phone avoiding extreme differences
10. remains on when power is applied to the receiver 7 ANTENNA Connectors UHF type connectors provide con nection to 4 wave vertical antennas supplied with the EC4 to the coaxial cable in the optional WA420 Antenna Cable Kit or to the optional gt wave high gain antennas WA380 8 12 VDC Negative Ground Coaxial POWER Jack Accepts power from the supplied ac adapter or from any well filtered 12 5 to 18 Vdc 200 mA power supply 9 SQUELCH Screwdriver Control Automatically quiets or mutes the receiver when no transmitter signal is received This control is factory set for optimum operation in most applications but can be adjusted for unusual conditions See the EC4 Receiver Squelch Control Adjustment paragraph 10 OUTPUT Connectors XLR connector provides balanced low impedance microphone level output 1 4 inch phone jack pro vides unbalanced auxiliary level output to audio mixer or amplifier PRE INSTALLATION REQUIREMENTS Before attempting to install the EC wireless microphone sys tem make sure you have the following items A 9V alkaline battery for the transmitter Duracell MN1604 or equivalent A rechargeable heavy duty 8 4V nickel cadmium NiCad battery may also be used A microphone for the EC1 transmitter either one designed specifically for the transmitter such as a Shure WL84 or WL93 or a low impedance dynamic microphone with a micro phone adapter cable WA310 If the system is to be con
11. the vocalist is speaking or an instrument is being played See Figure 6 2 For Low SPL Applications Using the supplied screwdriver turn the MIC LEVEL control on the transmitter clockwise until the red AUDIO PEAK indicator on the receiver flickers occa sionally while the microphone is in use Refer to Figure 6 SCREWDRIVER SUPPLIED gt EC1 BODY PACK LOW TRANSMITTER a N lt A AUDIO LEVEL CONTROL lt HIGH EC1 AUDIO GAIN ADJUSTMENT FIGURE 6 NOTE When the EC4 receiver is ON and the EC1 or EC2 trans mitter is OFF the audio mixer gain should be turned down since the receiver can receive signals from other sources If the mixer controls are not accessible turn the receiver volume down when the transmitter is not in use to prevent unwanted signal pickup The transmitter may also be left on muted to guard against out side interference See the Squelch Control adjustment paragraph EC2 TRANSMITTER SETUP EC2 Transmitter Battery Installation 1 Make sure the transmitter POWER ON OFF switch is in the OFF position 2 While holding the upper part of the transmitter unscrew the lower handle and slide it downward as shown in Figure 7 GRASP N MICROPHONE HERE UNSCREW X AND LOWER HANDLE TO 9V ALKALINE OPEN BATTERY INSERT SIDE FIRST EC2 BATTERY INSTALLATION FIGURE 7 3 Insert a new 9V alkaline battery into the battery compartment Observe proper battery polarity
12. 2 87 which includes Shure s SM87 supercardioid condenser microphone e EC2 Beta 58 which features Shure s premium supercardioid dy namic Beta 58 vocal microphone e EC2 Beta 87 which features Shure s premium supercardioid condenser Beta 87 vocal microphone EC1 Body Pack Transmitter The EC1 features PLL frequency control extended dynamic range a universal input a battery test light noiseless muting and a rugged case WL93A Micro Lavalier Microphone The WL93A is an omnidirectional micro lavalier electret condenser microphone that plugs into the microphone input on the EC1 Body Pack Transmitter It features smooth frequency response low distortion and low RF susceptibility The WL93 can also be used as a pickup for acoustic instruments such as guitar woodwinds and strings The WL84 supercardioid lavalier is also available WA302 Instrument Adapter Cable The WA302 instrument adapter cable plugs into the EC1 Body Pack Transmitter It is de signed for use with electric guitar and other electric instruments EC4 Diversity Receiver The EC4 features Shure s exclusive MARCAD MAximum Ratio Combining Audio Diversity circuitry With MARCAD the EC4 constantly monitors signals on each of two receivers and combines them when both signals are usable The result is increased RF gain improved reception and excep tional freedom from dropouts The EC4 also uses PLL frequency control to lock onto a precise carrier frequency re
13. SHU l Shure Brothers Incorporated 222 Hartrey Avenue Evanston IL 60202 3696 U S A EC Series Wireless Systems User Guide pese a a l a EC SERIES WIRELESS MICROPHONE SYSTEMS GENERAL The Shure EC Series wireless microphone systems are confi gurable single channel systems operating in the VHF band be tween 169 445 MHz and 216 100 MHZ All EC systems feature state of the art phase locked loop PLL digital frequency control to generate an exceptionally clean low noise signal This built in frequency control makes EC systems ideal for installations where multiple wireless systems are to be used The PLL frequency con trol circuit is also programmable so any factory authorized techni cian can change the carrier frequency of any EC transmitter and re ceiver SYSTEM COMPONENTS Each EC wireless system consists of a handheld EC2 Microphone Transmitter or an EC1 Body Pack Transmitter with a lavalier microphone or a WA302 intrument adapter cable and an EC4 Receiver EC2 Hand Held Microphone Transmitter The EC2 is a hand held microphone with a built in transmitter It features PLL frequency control an external antenna for increased range and freedom from dropouts superb frequency response extended dynamic range an LED status indicator rugged metal handle and heavy duty grille with built in pop filter The EC2 is supplied in four models e EC2 58 which includes the world famous Shure SM58 cardioid dynamic microphone e EC
14. ct your dealer or the Shure Service Department PROBLEM No receiver sound neither DIVERSITY light on receiver is glowing No receiver sound one or both DIVER SITY lights are glow ing Noise from receiver with transmitter off DI VERSITY lights on re ceiver glow or flicker Received signal is noisy or contains ex traneous sounds with transmitter on SPECIFICATIONS OVERALL SYSTEM RF Carrier Frequency Range 169 445 MHz to 216 100 MHz Frequency Stability 32 5 ppm 5 5 kHz Complies with FCC regulations Working Range average conditions 600 feet 182 8 m at 50 mW Modulation 15 kHz deviation compressor expander system with pre and de emphasis Total Harmonic Distortion ref 15 kHz deviation 1 kHz modu lation 0 4 typical 0 7 maximum Dynamic Range gt 102 dB A weighted Audio Frequency Response 80 to 15 000 Hz 2 dB NOTE Overall system response de pends on microphone element refer to microphone frequency response curves on page 8 Operating Temperature Range 4 to 122 F 20 to 50 C Make sure POWER switch on transmitter and receiver is ON Both green LEDs are illuminated Check transmitter battery and receiver power source Check receiver squelch setting Check receiver antenna connections Make sure transmitter and receiver are on same operating frequency Make sure transmitter and receiver antennas follow line of sight If necessary reduce the distance betw
15. ducing the possi bility of interference from local sources PERFORMANCE CHARACTERISTICS Operating Frequencies Shure EC wireless systems are con figured to operate interference free on one of 28 standard frequen cies Frequency changes can be made by factory authorized ser vice personnel Multiple System Installations Up to 15 EC Series systems can be operated simultaneously in a single installation without in termodulation problems However each system must operate at a different frequency Directional Sensitivity The EC Series transmitters are omnidi rectional in the horizontal plane that is they radiate equal amounts of RF energy in all directions Similarly the receiver antenna is equally sensitive in all directions in the horizontal plane when mounted vertically Operating Range The recommended maximum operating range for any EC system is 600 feet 182 8 meters although suc cessful operation at up to 1000 feet 300 meters is often accom plished Conditions at the installation site reflective surfaces ob stacles radio interference etc will ultimately dictate the system s operating range Power Requirements The EC4 receiver can be operated from any filtered 12 5 to 18 Vdc 200 mA power source A separate 120 Vac adapter is included with each system The EC2 and EC1 trans mitters operate on most 9 volt alkaline batteries Battery life de pends on the type and brand of battery Duracell MN1604 recom mended
16. een the transmitter and the receiver Higher gain antennas WA380 may be required With the microphone POWER switch ON turn up the receiver volume control Make sure transmitter MIC switch is ON Check transmitter microphone MUTE switch Make sure microphone cable plug is locked into transmitter connector Check connection between receiver and microphone mixer Talk into the microphone and observe the receiver AUDIO light If the light is glowing the problem is elsewhere in sound system Look for strong local interference sources such as other radio signals Nearby motors or lighting equipment could also be the problem Reposition antennas SQUELCH control may be set too low Readjust as necessary Look for strong local interference sources such as other radio signals nearby motors or lighting equipment Remove the source of interference reposition the receiver or reposition the antennas Two transmitters may be operating on the same frequency Locate and turn one off Signal may be too weak Reposition antennas If possible move them closer to the transmitter Optional 1 2 wave high gain antennas WA380 and antenna cable kit WA420 are available SQUELCH control may be set too low Readjust as necessary Squelch Threshold 2 0 uV preset adjustable from 2 0 to 50 uV Output 2 dBV 1 kQ output impedance unbalanced 18 dBV 150Q output impedance balanced volume full clockwise full devi ation unloaded Antenna Inp
17. igher SPL input For more in formation contact your dealer or the Shure Service Department OPERATING THE SYSTEM 1 Turn on the transmitter and receiver POWER switches 2 Make sure the transmitter MIC ON OFF switch is on 3 Talk into the microphone or play a musical instrument and observe the AUDIO PEAK and DIVERSITY lights on the EC4 receiver Normal operation is indicated by Steady glow of one or both DIVERSITY lights on the EC4 receiver indicates good RF signal Steady glow or flashing AUDIO NORM light indicates good AUDIO signal Occasional flashing of the red AUDIO PEAK light 4 Continue talking or playing into the microphone and move around the performing area At each location observe the re ceiver display and make sure the RF signal is adequate If the yellow DIVERSITY lights flicker reposition the EC4 receiver or the WA380 antennas The audio level should only change when the loudness of the audio source changes it should not change when the microphone is moved around the perform ing area Checking microphone operation in this manner will also uncover locations that are prone to audio feedback IMPORTANT Every wireless microphone installation is unique and can present a variety of problems Never attempt a live per formance without a walkthrough first If major changes equip ment scenery etc have been made since the walk through check the wireless microphone operation again as close to
18. in mixer input level set tings Turning the VOLUME control counterclockwise decreases the output level turning it clockwise increases output Changing Operating Frequency The carrier frequency of any EC Series transmitter and re ceiver may be changed by a factory authorized technician Please contact your local dealer sound system contractor or the Shure Service Department for details The modifications require factory training and cannot be made by the end user Controlling Multipath Transmission Multipath transmission or dropout occurs when the direct RF signal and a reflected signal arrive at the receiver at different times or out of phase or when the signal path is completely ob structed The result is excessive noise or temporary signal loss To avoid this phenomenon observe the following precautions e Maintain line of sight transmission Ideally the transmitter user should always be able to see at least one of the receiver antennas Keep the distance between the transmitter and the receiver an tennas as short as possible Avoid operating the wireless microphone around reflective sur faces especially metal surfaces Make sure both transmitter and receiver antennas are posi tioned vertically TROUBLESHOOTING If the installation and setup instructions have been followed and a problem still exists perform the troubleshooting procedures in SOLUTION the table below If the problem persists conta
19. mance 6 Attach the audio connecting cable with an XLR connector or a 1 4 inch phone plug on the receiver end between the desired EC4 OUTPUT connector and the mixer or amplifier input IMPORTANT Improved diversity receiver performance may be obtained by remotely locating one or both antennas so that they are separated by 1 5 meters 60 inches or more Optional Shure WA380 1 2 Wave High Gain Antennas are recommended for this application They may be remotely located using one or two Shure WA420 Antenna Cable Kits If the receiver is to be rack mounted both antennas must be remotely located or mounted on the front of the rack using the Shure WA440 accessory rack mount kit To operate up to four receivers with only two antennas use the Shure WA404 amplified Antenna DC Power Distribution System Transmitter Battery Selection Only two types of batteries are recommended for use with the EC1 and EC2 transmitters 9V alkaline batteries Duracell MN1604 or equivalent A fresh 9V alkaline battery should provide 7 hours of operation Rechargeable heavy duty 8 4V nickel cadmium NiCad batter ies NiCad batteries will only provide 1 5 to 2 hours of operation IMPORTANT Use only a 9V alkaline battery or a heavy duty re chargeable 8 4V NiCad battery Carbon zinc and zinc chloride batteries will not provide sufficient power for proper operation and are not recommended EC1 TRANSMITTER SETUP EC1 Transmitter Battery Installation 1
20. ments Battery Type 9 volt alkaline Duracell 1604 or equivalent 8 4 volt nicad optional Battery Life 7 hours minimum alkaline 1 5 to 2 hours typical nicad per charge Current Drain 55 mA typical Antenna Attached 15 2 in 386 mm flexible wire Modulation Limiter Internal compressor Audio Polarity EC1 Transmitter with Shure Wireless Microphones Positive pressure on microphone diaphragm produces positive voltage on pin 2 with respect to pin 3 of low impedance output and on tip with respect to ground of aux output EC1 Transmitter with WA302 or WA310 Cable Positive voltage applied to tip of WA302 phone plug or to pin 3 of WA310 XLR connector results in positive voltage at pin 2 with respect to pin 3 of low impedance output or on trip with respect to ground of aux output Dimensions excluding antenna and belt clip 82 6 mm High x 63 5 mm Wide x 26 2 mm Deep 31 4 in x 2 o in x 11 39 in Weight Without Battery 96 4 g 3 4 oz With Battery 142 g 5 oz Certification Complies with FCC Parts 74 and 90 FCC ID DD4L11 Conforms to European Union Directives eligible to bear CE marking meets European EMC Immunity Requirements EN 50 082 1 1992 ESD IEC 801 2 RF radiated IEC 801 3 EFT IEC 801 4 EC2 TRANSMITTER RF Power Output 50 mW maximum Modulation FM 60KOF3E 15 kHz deviation 62 us pre emphasis Modulation Limiter Internal compressor Audio Polarity Positive pressure on microphone diaph
21. n stripes that correspond to the system s operating frequency range Make sure the connector and the antenna share the same color code 4 MIC ON OFF Slide Switch Permits user to mute the micro phone without turning the transmitter off This avoids the pop that may occur when the microphone is turned on or off and pre vents the receiver from picking up unwanted signals 4 POWER ON OFF Switch Turns transmitter on and off 5 Antenna A flexible antenna wire is permanently attached to the bottom of the body pack transmitter For proper operation the antenna must hang in the vertical position not coiled or bundled 6 Audio Level Control Allows audio level adjustments for vari 5 POWER ON OFF Switch Turns transmitter power on and ous sound sources A small screwdriver is supplied to make ad off justments see page 5 6 Battery Test Light Illuminates when the POWER switch is turned on and a good battery is installed When this light does 7 Frequency Identification Label This label identifies the not illuminate the transmitter will not work transmitter s original operating frequency 7 Battery Compartment Unscrewing the handle and sliding it 8 Belt Clip Allows the transmitter to be worn on a belt waist downward exposes the battery compartment and the audio i i GAIN Switch 9 band or guitar strap It can be removed if desired 8 Frequency Identification Label Located inside the battery 9
22. nected to the electrical output of a musical instrument an instrument cable such as the Shure WA302 must be used IMPORTANT Other manufacturer s microphones specified for wireless use are generally not compatible as supplied with Shure wireless systems A receiver to mixer cable with a 3 pin XLR connector for bal anced microphone level EC4 receiver output or 1 4 inch 2 cir cuit phone plug on one end for unbalanced auxiliary level EC4 receiver output and a mixer input connector on the other EC4 RECEIVER SETUP AND CONNECTIONS 1 Place the receiver in its operating position Avoid placing the re ceiver near RF noise sources such as light dimmers computers and other digital devices e g CD players and digital delays 2 If the receiver is placed on a horizontal surface attach the four adhesive bumpers to the bottom corners of the receiver If the receiver is to be rack mounted remove the screws on each side of the receiver case position the mounting brackets over the holes and secure the brackets with the two removed screws and the two supplied screws 3 Plug the AC adapter into the POWER jack on the rear panel of the receiver 4 Plug the AC adapter into a 120V 60 Hz power source 5 Attach the supplied 1 4 wave antennas to the ANTENNA con nectors on the receiver Make sure they are pointing up and are within the line of sight of the transmitter Obstructions or re flecting objects will degrade system perfor
23. ragm produces positive voltage on tip with respect to ground of unbalanced output and on pin 2 with respect to pin 3 of balanced output Audio Gain Adjustment Range 15 dB 2 position switch additional 6 dB internal pad Antenna Removable external 4 wave helical antenna antenna is col or keyed to transmitter frequency range Power Requirements Battery Type 9 volt alkaline Duracell MN1604 or equivalent 8 4 volt nicad optional Battery Life 7 hours minimum alkaline 1 5 to 2 hours typical nicad per charge Current Drain 55 mA typical EC2 Transducer Type EC2 58 EC2 Beta 58 Dynamic EC2 87 EC2 Beta 87 Electret bias condenser EC2 Polar Patterns See Figure 10 Uniform with frequency symmetrical about axis Cardioid EC2 58 Supercardioid EC2 Beta 58 EC2 87 EC2 Beta 87 aasre 12S Hz 2000 HZ ween SOOHZ a 4000 HZ 1000 HE sr B000 HZ MODEL EC2 58 250 Hz mee 7500 Hz ese 509 Hz s 6300 Hz m 1000 Hr 19000 Hz MODEL EC2 BETA 58 JOH BOO HZ cee m sgu 10 000HZ MODEL EC2 87 r MODEL EC2 BETA 87 TYPICAL POLAR PATTERNS FIGURE 10 EC2 Frequency Response See Figure 11 Frequency response curves below were measured in a free field at a distance of 0 6 meters 2 feet from the sound source RELATIVE RESPONSE IN dB i e FREQUENCY IN Hz MODEL EC2 58
24. rmful interference in a residential installa tion This equipment generates uses and can radiate radio frequenc energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular instal lation If this equipment does cause harmful interference to radio or tele vision reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one o more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and radio or TV re ceiver 3 Connect the equipment into an outlet on a circuit different from that to which the radio or TV receiver is connected 4 Consult the dealer or an experienced radio TV technician for help CAUTION Changes or modifications not expressly approved by Shure Brothers Inc could void your authority to operate the equipment FCC LICENSING INFORMATION Shure Model EC1 and EC2 Transmitters are Type Accepted under FCC Parts 74 and 90 IMPORTANT Licensing of Shure wireless microphone equip ment is the user s responsibility and licensability depends on the user s classification and application and on the selected frequen cy Shure strongly urges the user to contact the appropriate telecommu nications authority concerning proper licensing
25. ut Impedance 50Q nominal Antenna Plastic sheathed stainless steel 1 4 wavelength 428 mm PL 259 UHF connectors Power Requirements 12 5 to 18 VDC negative ground 200 mA 120 Vac 60 Hz Model PS20 external AC adapter supplied Model PS20E 220 240 Vac 50 60 Hz available optional Overall Dimensions 1 75 in H x 17 125 in W x 7 87 in D 44 5 mm x 435 mm x 200 mm Includes front panel controls and rear panel UHF connectors does not include antennas or rack ears Weight 4 32 lbs 1 962 kilograms Certification Complies with FCC Part 15 FCC ID DD4L4 EC4 RECEIVER RF Sensitivity 0 45 uV for 12 dB SINAD typical Image Rejection 90 dB typical Spurious Rejection 80 dB typical Ultimate Quieting reference 15 kHz deviation gt 94 dB A weighted Squelch Quieting reference 15 kHz deviation gt 94 dB A weighted Power supply UL listed CSA listed as Certified Conforms to European Union Directives eligible to bear CE marking meets European EMC Immunity Requirements EN 50 082 1 1992 ESD IEC 801 2 RF radiated IEC 801 3 EFT IEC 801 4 EC1 BODY PACK TRANSMITTER RF Power Output 50 mW maximum Modulation FM 40KOF3E FCC Part 90 FCC Part 74 15 kHz deviation 62 usec pre emphasis Audio Gain Adjustment Range 0 dB Input Impedance Actual 17 kQ pin 4 wired to pin 3 for WL93 or other wireless condenser microphone 100 kQ pin 4 open for dynamic micro phone or instrument pickup Power Require

Shure EC Series Wireless User Guide (English)

Contents

Download Pdf Manuals

Related Search

Related Contents