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****** Page 1 ****** Engineered Sound ESW-T211 UHF UniPae Transmitter Installation and Operation audio•technica

****** Page 2 ****** Notice to individuals with implanted cardiac pacemakers orAlCD devices: Any source of RF (radio frequency) energy may interfere with normal functioning of the implanted device. All wireless microphones have low-power transmitters (less than 0.05 watts output) which are unlikely to cause difficulty, especially if they are at least a inches s i a ‘body-pack” mic transmitter typically is placed against the body, we suggest attaching it at the belt, rather than in a shirt pocket where it may be immediately adjacent to the medical device. Note also that any medical- device disruption will cease when the RF transmitting source IS turned off. Please contact your physician or medical-device provider if you have any questions, or experience any problems with the use of this or any other RF equipment. CAUTION! The circuits inside the receiver and transmitter have been precisely adjusted for optimum performance and compliance with federal regulations. Do not attempt to open the receiver or transmitter. To do so will void the warranty, and may cause improper operation. 2 Introduction Audio-Technica Engineered Sound@ wireless systems are offered as separate receiver and transmitter units, rather than in predetermined combinations, for greatest system flexibility. Operating details for Engineered Sound receivers and overall system operation are included each receiver. Engineered Sound receivers feature a sophisticated Tone Lock TM tone squelch system that opens only when an Engineered Sound transmitter is detected, reducing the possibility of interference. As a result, Engineered Sound transmitters and receivers must be used together and should not be used with components from other Audio-Technica wireless systems, or with those of other manufacturers. Please note that in multiple-system applications there must be a transmitter-receiver pair set to a separate frequency for each input desired (only one transmitter at a tir•ne for each receiver). Because the frequencies are on UHF TV frequencies, only certain wireless frequencies may be useable in a particular geographic area. Also, only certain of the available operating frequencies may be used together. (Suggestions for multiple-system frequency grouping will be found on pages 10-11.) Transmitter Setup Battery Selection and Installation The transmitter uses two 1 .5V AA batteries, not included. Alkaline type is recommended. Always replace both batteries. Make certain the transmitter power switch is turned Off before replacing batteries. Battery Installation 1 . Slide down the battery latching cover and pull out the battery drawer as shown in Figure A. (A screwdriv- er for adjusting operating frequency is stored on the back of the drawer.) Fig. A 3

****** Page 3 ****** 2. Observe correct polarity as marked inside the bat- tery compartment and carefully insert two fresh 1.5V alkaline batteries. Because there is sorne variation in actual battery dimensions, make certain the batteries are fully seated in the battery compartment. 3. Carefully insert the battery drawer fully, but do not force the drawer in. Then slide the cover up to latch the drawer. Battery Condition Indicator After the batteries are installed, turn the power on. The red battery condition indicator LED on the user control panel should flash momentarily and the green indicator should come on. If this does not happen, the batteries are installed incorrectly or they are dead. If the yellow or red indicator stays on, the battery voltage is low and the batteries should be replaced. If this happens during use, replace the batteries immediately to ensure continued operation. Transmitter Input Connection Connect an audio input device (microphone or guitar cable) to the audio input connector beside the user control panel (Fig. B). A number of Audio-Technica professional microphones and cables are available separately, pre-terminated with a UniPae input connector (see “Transmitter Accessories” on page 9). Fig. B User Control Panel Fig. C Setup Control Panel Input Level Guitar Power/ Battery- Save Switch Mic o} xl High-pass Switch Power Switch Audio Input Connector (‘D CD pwR OFF ON Battery Condition Indicator Transmitter Controls (Refer to Fig. B, User Control Panel) POWER SWITCH: The Power switch controls the entire transmitter. Its handle is designed to be felt and activated easily even through clothing or other garments. There is about a half-second delay after transmitter turn-on before the receiver’s Tone Lock squelch un-mutes. HIGH-PASS SWITCH: The ESW-T211 offers an audio high-pass switch which reduces low frequencies, when desired. It affects only the microphone input and is recessed to avoid accidental activation. Use this switch to reduce pickup of low-frequency noise caused by clothing and/or user movement. 4 Channel Switches (Refer to Fig. C, Setup Control Panel) INPUT TRIMMERS: These controls permit adjustment of Mic Level (MT) and Guitar Level (GT) to match a wide range of input devices, as described in a following section. The trimmer not in use should be set to minimum. CHANNEL SWITCHES: The left channel selector switch corresponds to the receiver’s left-column channel display number (tens); the right switch corresponds to the receiver’s right-column channel display number (units). Always turn the transmitter off when changing frequencies. RF POWER / BATTERY-SAVE SWITCH: As supplied, the switch is set in the “Hi” position for maximum range. Switching to the “Lo” position increases battery life somewhat by reducing power. (Note: Effective range may decrease when the switch is set at the Lo position.) 5

****** Page 4 ****** Mounting Clips The ESW-T211 is supplied with two mounting clips for attachment to different types/shapes of objects. Attach the clips by springing their ends into the two holes on the sides of the transmitter case (Fig. D). The clips may be installed with the case positioned either “up” or “down,” depending upon which is preferred for the application. Fig. D Transmitter Antenna The ESW-T211 features a field-replaceable antenna, in the unlikely event that it becomes damaged. Use only an original Audio-Technica replacement part, available from the Audio-Technica service department. 1. Referring to Figure E, fully unscrew only screw “A” and remove it. Do not remove the other case screw. 2. Pull the broken antenna straight out of the transmit- ter case, without twisting it. 3. Carefully insert the replacement antenna, without twisting it, and without damaging the PC board trace. Look in the open hole “A” to assure that the antenna is fully seated. 4. Reinstall screw “A,” tightening only until it is snug. Fig. E Do Not Remove 6 Screw System Operation Turn down the mixer/amp/ifier level before starting up the wireless system. Switch on the receiver. Do not switch on the transmitter yet. Receiver On… The Channel Designator Display will light. If any of the RF LEDs light up at this point, there may be RF interference in the area. If this occurs, select another frequency using the front-panel channel selectors. While holding in the “Set” button, press the “Up” or ‘Down” button to access the desired frequency; then release the Set button to select the channel. Transmitter On… Before turning on the transmitter, use the provided screwdriver to set the transmitter channel selector switches (Fig. C) to the same numbers as those dis- played on the receiver. Always turn the transmitter off when changing frequencies. When the transmitter is switched on and in normal operation, the receiver’s RF signal level indicators will light up from left to right. For optimum performance at least four, and preferably five, of the signal strength indicators should light up when the transmitter is switched on. One of the Tuner LEDs (A or B) also will light up when the transmitter is on, indicating that its signal has been received and the receiver’s Tone Lock squelch circuit has opened. Setting Levels Although Engineered Sound receivers require no level adjustment, correct adjustment of transmitter audio input and mixer/amplifier input and output levels is important for optimum system performance. Transmitter Input Levels Input trimmer controls in the UniPak transmitter (Fig. C) will enable you to use microphones or instruments with different output levels. 1. Set both the transmitter Mic Level (MT) and Guitar Level (G T) controls to their full counter-clockwise position (minimum). (The level control not being used should always be set to minimum.) 2. Plug the mic or instrument into the transmitter and power up the system. 3. For MIC: Make an initial adjustment of the mixer’s level controls that will allow audio through the system as you increase the transmitter’s Mic Level. For INSTRUMENT: Make an initial adjustment of the instrument amplifier input level control that will allow audio through the system as you increase the transmitter’s Guitar Level. 4. For MIC: While speaking/singing into the micro- phone at typically-loud levels, turn up the transmitter’s Mic Level (MT) control until the maximum audio output of the mic lights about three or four green LED seg- ments on the receiver’s AF Level indicator. For INSTRUMENT: While playing the instrument at typically-loud levels, turn up the transmitter’s Guitar Level (G T) control until the maximum audio output of the instrument lights about three or four green LED segments on the receiver’s AF Level indicator. 7

****** Page 5 ****** NOTE: Do not set the transmitter level too high (as indicated by lighting of the red LED) — doing so will cause the system to overload and distort. 5. For MIC: Next, while again speaking/singing into the microphone at typically-loud levels, adjust the mixer’s input trim control so the highest sound pressure level going into the microphone causes no input overload in the mixer, and yet permits the mixer’s channel and output level controls to operate in their “normal” range (not set too high or too low). For INSTRUMENT: Next, while again playing the instrument at typically-loud levels, adjust the amplifier’s input control so the highest signal level causes no overload in the instrument amplifier. CAUTION! The small trimmer controls are delicate; use only a small screwdriver or alignment tool with a maximum 3/32″-wide blade. Do not force the trimmers beyond their normal 2600 range of rotation. RF Interference Please note that wireless frequencies are shared with other radio services. According to Federal Communications Commission regulations, “Wireless microphone operations are unprotected from interfer- ence from other licensed operations in the band. If any interference is received by any Government or non- Government operation, the wireless microphone must cease operation… ” If you need assistance with operation or frequency selection, please contact your dealer or the Audio-Technica professional division. Extensive wireless information also is available on the Audio-Technica Web site at Tips To Obtain The Best Results • Use only fresh alkaline batteries. Do not use general purpose” (carbon-zinc) batteries. • The transmitter and the receiver should be as close together as conveniently possible, but no closer together than three feet. Maintain possible. • Each transmitter/receiver pair must be set to the same channel number. • A single receiver cannot receive signals from two transmitters at the same time. • You need to change channels 1) when a strong interference signal is received, 2) when the channel breaks down, or 3) during multiple-system operation in order to select an interference-free channel. • The “MT” or “G T” input control not in use should be set to minimum. • Turn the transmitter off when not in use. Remove the batteries if the transmitter is not to be used for a period of time. 8 Specificationst OVERALL SYSTEM Operating Frequency Number of Channels Frequency Stability Modulation Mode Normal Deviation Tone Squelch Frequency Operating Range UHF band, 728.125 to 740.500 MHz 100 total Phase Lock Loop frequency control FM ±5 kHz 32.768 kHz 300′ typical Operating Temperature Range 410 F (50 C) to 1130 F (450 C) Frequency Response 100 Hz to 15 kHz ESW-T211 UNIPAR TRANSMITTER RF Power Output Spurious Emissions Input Connections Bias Voltage High-pass (low-freq. roll-off) Batteries Current Consumption Battery Life Dimensions 50 mw Max (Hi: 10 mW; Lo: 5 mW, typical) Under federal regulations High impedance, low impedance, bias 5V, 5 mA Max 150 Hz, 6 dB per octave (mic input only) Two 1.5V AA type alkaline, not included Hi: 130 mA; Lo: 120 mA, typical Hi: 12 hours; Lo: 14 hours, typical (depending on battery type and use pattern) 2.56″ (65.0 mm) W x 6.57″ (167.0 mm) H x 1.02″ (26.0 mm) D Net Weight (without batteries) 2.7 oz (75 grams) Accessory Included Alternate mounting clip t In the interest of standards development, A.T.IJ.S. offers full details on its test methods to other industry professionals on request. Transmitter Accessories (All are terminated for use with the ESW-T211 UniPak transmitter.) AT829cW MT830cW MT830cW-TH AT831cW AT851cW AT857AMLcW AT889cW ATM35cW ATM73cW ATM75cW PRO 81-1EcW PRO 35xcw AT-GCW XLRW AT829 miniature cardioid condenser microphone only. Includes clothing clip and windscreen. MT830R subminiature omnidirectional condenser microphone only. Includes clothing clip and windscreem “Theater” model, same as MT830cW except beige color mic and cable for concealment. AT831b miniature cardioid condenser microphone only. Includes clothing clip and windscreen. AT851a surface-mount wide-range hemi-cardioid condenser microphone only, AT857AMLa 1 9″ gooseneck cardioid microphone only. Mounts to 5/g•-27 thread. Includes windscreen. Headworn noise-canceling condenser microphone only. Includes windscreen and cable clip. ATM35 highäntensity miniature cardioid condenser microphone only. Includes AT8418 clip-on instrument mount. ATM73a headworn cardioid condenser microphone only, ATM75 headworn cardioid condenser microphone only. Includes windscreens and cable clip. PRO 8HEx headworn hypercardioid dynamic microphone. Includes windscreen and cable clip. PRO 35x cardioid condenser microphone only. Includes AT8418 clip-on instrument mount. Hi-Z instrument/guitar cable with 1/4″ phone plug, Connecting cable for UniPak transmitter with an XLRF-type input connector, for Lo-Z microphones with XLRM-type output terminations. 9

****** Page 6 ****** Engineered Sound@ UHF Wireless Operating Frequencies Frequency and Channel Designator List Designator 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 Frequency (MHz) 728 125 728.250 728.375 728.500 728.625 728.750 728.875 729.000 729.125 729.250 729.375 729.500 729.625 729.750 729.875 730.000 730.125 730.250 730.375 730.500 730.625 730.750 730.875 731.000 731.125 731.250 731.375 731.500 731.625 731.750 731.875 732.000 732.125 732.250 732.375 732.500 732.625 732.750 732.875 733.000 733.125 733.250 733.375 733.500 733.625 733.750 733.875 734.000 734.125 734.250 TV Channel 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 58 58 58 Designator 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 88 89 90 91 92 93 94 95 96 97 98 99 Frequency (MHz) 734.375 734.500 734.625 734.750 734.875 735.000 735.125 735.250 735.375 735.500 735.625 735.750 735.875 736.000 736.125 736.250 736.375 736.500 736.625 736.750 736.875 737.000 737.125 737.250 737.375 737.500 737.625 737.750 737.875 738.000 738.125 738.250 738.375 738.500 738.625 738.750 738.875 739.000 739.125 739.250 739.375 739.500 739.625 739.750 739.875 740.000 740.125 740.250 740.375 740.500 TV Channel 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 59 59 59 59 59 Multi-channel Systems Following are groupings of frequencies suggested for multi-channel wireless systems. Group A: Channels 00, 02, 08, 15, 46, 50, 60 (or 62), 71, 76, 80, 93, 99 -or- Group B: Channels 01, 03, 07, 25, 30, 41, 44, 56, 69, 76, 77, 86 For use where TV Channel 57 is operating: Channels 50, 60 (or 62), 71, 76, 80, 93, 99 (from Group A) -or- Channels 56, 69, 76, 77, 86 (from Group B) 10 For use where TV Channel 58 is operating: Channels 00, 02, 08, 15, 46, 99 (from Group A) -or- Channels 01, 03, 07, 25, 30, 41, 44 (from Group B) For use where TV Channel 59 is operating: Channels 00, 02, 08, 15, 46, 50, 60 (or 62), 71, 76, 80, 93 (from Group A) -or- Channels 01, 03, 07, 25, 30, 41, 44, 56, 69, 76, 77, 86 (All of Group B) 11

****** Page 7 ****** For future reference, please record your system information here (the serial number appears inside the battery compartment): Transmitter ESW-T211 Serial Number One-Year Limited Warranty Audio-Technica professional wireless systems purchased in the U.S.A. are warranted for one year from date of purchase by Audio-Technica U.S.r Inc. (AT-US.) to be free of defects in materials and workmanship. In event of such defect, product will be repaired promptly without charge or, at our option, replaced with a new product of equal or superior value if delivered to AT-U.S. or an Authorized Service Center, prepaid, together with the sales slip or other proof of purchase date. Prior approval from A.T.U.S. is required for return. This warranty excludes defects due to normal wear, abuse, shipping damager or failure to use product in accordance with the instructions. This warranty is void in the event of unauthorized repair or modification, or removal or defacing of the product labeling. For return approval and shipping information, contact the Service Dept., Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224. Except to the extent precluded by applicable state law, A.T.U.S. will have no liability for any consequential, incidental, or special damages; any warranty of merchantability or fitness for particular purpose expires when this warranty expires. This warranty gives you specific legal rights, and you may have other rights which vary from state to state. Outside the U.S.A., please contact your local dealer for warranty details. audio-technica Audio-Technica U.S., Inc., 1221 Commerce Drive, stow, Ohio 44224 330/686-2600 P#2323-02490 P51249-B/W 02000 Audio-Technica U.s., Inc. Printed in Japan








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