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PDF Content Summary: 1100 Series Professional VHF Wireless Systems ATW-1127 UniPakTM Transmitter System ATW-1128 Handheld Dynamic Microphone System Installation and Operation Professional VHF Wireless Systems Installation and Operation This device complies with part 15 of the FCC Rules. Receiver Installation Operation is subject to the condition that this device does not cause harmful interference. This device complies with INDUSTRY CANADA R.S.S. 210, en conformité avec IC: RSS-210/CNR210. Operation is subject to the following conditions: 1) This device may not cause harmful interference and 2) this device must accept any interference received, including interference which may cause undesired operation. Introduction Location For best operation the receiver should be at least 3 ft. above the ground and at least 3 ft. away from a wall or metal sur- face to minimize reflections. The transmitter should also be at least 3 ft. away from the CAUTION! Electrical shock can result from removal of the receiver, as shown in Figure A. receiver cover. Refer servicing to qualified service personnel. No user-serviceable parts inside. Do not expose to rain or moisture. Keep antennas away from noise Fig. A Receiver Location sources such as motors, automobiles, and neon lights, as well as large metal objects. The circuits inside the receiver and transmitter have been precisely adjusted for optimum performance and compli- Output Connections ance with federal regulations. Do not attempt to open the There are two audio outputs on the back of the receiver: receiver or transmitter. To do so will void the warranty, balanced (220 mV) and unbalanced (350 mV). Use shielded and may cause improper operation. audio cable for the connection between the receiver and the mixer. If the input of the mixer is a 1/4" jack, connect a cable Individuals with implanted cardiac pacemakers or AICD devices: Please see notice on back cover. from the 1/4" unbalanced audio output on the back of the receiver to the mixer. If the input of the mixer is an XLR-type input, connect a cable from the balanced XLR-type audio output on the back of the receiver to the mixer. The two isolated audio outputs permit simultaneous feeds to Thank you for choosing an Audio-Technica professional wireless system. You have joined thousands of other satisfied customers both unbalanced and balanced inputs. For example, both a guitar amp and a mixer can be driven by the receiver. who have chosen our products because of their quality, perfor- mance and reliability. This Audio-Technica wireless microphone system is the successful result of years of design and manufacturing experience. Antennas Assemble the two whip antennas to the special connectors provided. Screw the whips into the threaded This professional wireless system includes a receiver and side holes at the rear of the connector either a body-pack or a handheld transmitter on a specific (Fig. B). crystal-controlled frequency. Attach the antennas to the antenna The receiver features true diversity reception. Two antennas input jacks. The antennas are normally feed two completely independent RF sections on the same positioned in the shape of a “V” frequency; automatic logic circuitry continuously compares and (45° from vertical) for best reception. selects the superior received signal, providing better sound quality and reducing the possibility of interference and dropouts. The receiver is made to be mounted in a standard 19" rack (1U). Do not try to move the antenna rod after the connector shell has been tightened down. Always loosen the The versatile UniPakTM body-pack transmitter has both low- and connector shell completely before high-impedance inputs plus a bias connection, for use with repositioning the rod. dynamic and electret condenser microphones, as well as Hi-Z instrument pickups. Both the handheld and UniPak transmitters use internal 9-volt batteries and have Off/Standby/On switches, battery condition indicators, and battery-save switches. If there is not sufficient space above the receiver and/or if the receiver is installed in a metal cabinet, the antennas can be mounted in the threaded holes in the back of the connectors so the antennas will stick straight out from the back of the Please note that in multiple-system applications there must be receiver. Use one set of threaded holes or the other; do not a transmitter-receiver combination on a separate frequency for attempt to bend the antenna rods. (The optional accessory each input desired (only one transmitter for each receiver). ATW-RA1 rack-mount antenna kit brings antenna inputs to the Because the wireless frequencies are in or near VHF TV front of the receiver.) frequencies, only certain wireless frequencies are useable in a particular geographical area. Also, only certain of the available Power Connections operating frequencies may be used together. (Frequency selection Connect the included AD1205A AC adapter to the DC power information will be found on page 7.) input on the back of the receiver. Then plug the adapter into a standard 120 volt 60 Hz AC power outlet. ANT. A Fig. B Antenna Assembly 2 Receiver Controls and Functions Fig. C Receiver Front Panel 7 1 2 3 4 3 5 6 7 AF LEVEL VHF DIVERSITY RECEIVER ON OFF POWER TUNER A AF PEAK TUNER B SQ. ADJ. MIN MAX Fig. D Receiver Rear Panel 8 9 11 ANT. B BALANCED AF OUT ANT. A 10 12 Front Panel Controls and Functions (Fig. C) 1. POWER SWITCH: Press switch on, and the “power” indicator will light. 2. POWER INDICATOR. 3. TUNER OPERATION INDICATORS: Indicate which tuner has the better reception and is in operation. 4. AF PEAK INDICATOR: Indicates when maximum transmitter modulation without distortion has been reached. 5. SQUELCH CONTROL: Adjusts level of noise-muting circuit (preset at factory but can be adjusted as circumstances warrant). 6. AF LEVEL CONTROL: Adjusts the level at both audio output jacks. Does not affect AF Peak indicator. 7. MOUNTING ADAPTERS: For mounting the receiver in any standard 19" rack. Attach to receiver with screws supplied. 13 GROUND DC 12V~18V 350 mA LIFT GROUND UNBALANCEDAF OUT Rear Panel Controls and Functions (Fig. D) 8. TUNER “B” ANTENNA JACK: Antenna connector for tuner “B.” Attach the antenna directly, or extend it with an antenna cable. 9. BALANCED AUDIO OUTPUT JACK: XLRM-type connector. A standard 2-conductor shielded cable can be used to connect the receiver output to a balanced aux-level input on a mixer. 10. GROUND LIFT SWITCH: Disconnects the ground pin of the balanced output (9) from ground. Normally, the switch should be to the left (ground connected). If hum caused by a ground loop occurs, slide switch to the right. 11. UNBALANCED AUDIO OUTPUT JACK: 1/4" phone jack. Can be connected to an unbalanced aux-level input of a mixer or tape recorder. 12. DC POWER INPUT: For the provided AD1205A AC adapter, or other 12-18V DC source. (Receiver requires 350 mA.) 13. TUNER “A” ANTENNA JACK: Antenna connector for tuner “A.” Attach the antenna directly, or extend it with an antenna cable. 3 Transmitter Setup Battery Selection Battery Condition Indicator An alkaline 9-volt battery is recommended. The red battery condition indicator (Fig. I/J) should light strongly UniPakTM Transmitter Battery Installation 1. Slide off the battery cover as shown in Figure E. Fig. I Fig. J Fig. G Fig. H with a fresh battery. As the battery weakens, the indicator will grow dimmer. When the indicator becomes very dim or goes out, there is little life left in the battery. Replace it at once for 2. Carefully insert a fresh 9-volt alkaline battery, observing correct polarity as marked inside the battery compartment. The transmitter housing is designed to prevent incorrect installation of the battery. Do not force the battery in. 3. Replace the battery cover (Fig. F). continued operation of the transmitter. Battery-Save Switch All transmitters feature battery-save switches (Fig. E/G). As supplied, the switch is set in the “H” (high) position for maxi- mum range. Switching to the “L” (low) position increases battery life by reducing power. (Note: Effective range decreases when Fig. E Microphone Guitar Trimmer the switch is set at the “L” position.) Trimmer (MT) (GT) Battery Condition Indicator Power Switch Fig. F On/Standby/Off UniPak Transmitter Input Connection Connect an audio input device (microphone or guitar cable) to the audio input connector on the bottom of the transmitter. A number of Audio-Technica professional microphones and cables are available separately, pre-terminated with a UniPak input connector (see “Optional System Accessories”on page 6). Gain Trimmer (VR1)Power Switch Battery Condition Off/Standby/On Indicator Input Antenna Connector BATT. OFF ONST ON OFF 4 UniPakTM TRANSMITTER INPUT POWER BATT. ANT ST.BY Battery-Save Switch Battery Polarity (under screwdriver clip) Diagram Handheld Transmitter Battery Installation 1. While holding the upper part of the transmitter body just below the ball-screen, unscrew the lower body cover and slide it downward to expose the battery compartment. 2. Lift the white “battery keeper” arm, and insert a 9V battery. Be certain to observe correct polarity as marked inside the battery compartment (Fig. G). The transmitter housing is designed to prevent incorrect installation of the battery. Do not force the battery in. 3. Replace the lower body cover. Do not overtighten. Battery Polarity DiagramBattery-Save Switch Screwdriver System Operation Check the frequency of the system against the chart on page 7 Adjusting Input Levels – UniPak Transmitter to ensure you have the proper frequency for your area. The frequency is marked on the back panel of the receiver. Slide the battery cover off the top part of transmitter and remove the screwdriver from its clip (Fig. E). Gently turn the Turn down the AF Level control of the receiver as well as the mixer. Switch on the receiver only. Do not switch on the 1. Use only fresh alkaline batteries. Do not use “general purpose” (carbon-zinc) batteries. 2. Position the receiver so that it has the fewest possible obstructions between it and the normal location of the transmitter. Line-of-sight is best. 3. The transmitter and the receiver should be as close together as conveniently possible, but no closer together than three feet. 4. The receiver antenna should be in the open and away from any metal. If in a rack, have the unit on top or angle antennas outward away from the metal rack. 5. A receiver cannot receive signals from two transmitters at the same time. 6. The power switch on the transmitter has three positions: “Off,” “Standby” and “On.” In the middle “Standby” position, the transmitter sends only RF to the receiver; the audio source is turned off. “MT” (mic trimmer) and “GT” (guitar trimmer) controls to their full counter-clockwise positions. transmitter yet. • Microphone: Adjusting input level Receiver On . . . While speaking/singing into the microphone at typically-loud The power indicator will light up and one of the diversity indicator LEDs (A or B) will light, even though the transmitter is not on. Transmitter On . . . levels, carefully turn the MT control clockwise while watching the receiver’s AF Peak indicator. Increase the MT control setting until the AF Peak indicator lights. This indicates that maximum transmitter modulation without significant distortion has been reached. (When using a guitar, return the MT The transmitters have a 3-position power switch. When the control setting to minimum.) switch is set to “Standby,” the transmitter produces RF with no audio signal. When the switch is “On,” the transmitter produces both RF and audio. With the switch “Off,” there is minimum noise output due to a special A-T muting system. Receiver Squelch • Guitar/Instrument: Adjusting input level While playing at typically-loud levels, carefully turn the GT con- trol clockwise while watching the receiver’s AF Peak indicator. Increase the GT control setting until the AF Peak indicator lights. This indicates that maximum transmitter modulation The squelch control on the front panel of the receiver is preset at the factory, but can be adjusted if you must use the system without significant distortion has been reached. (When using a microphone, return the GT control setting to minimum.) in an area with considerable RF interference. If there is audio output from the receiver when your transmitter is off, adjust the squelch control so the system will receive the signal from your transmitter but “squelch” or eliminate the unwanted background RF noise. This adjustment can cause a reduction in After adjusting input levels, return the screwdriver to its clip and reinstall the battery cover. No further transmitter gain adjustments should be needed, as long as the input device and the acoustic input level are not changed. useable range of the wireless transmitter, so set the control to Adjusting Input Level – Handheld Transmitter the lowest position that reliably mutes the unwanted RF signals. Unscrew the lower body cover and slide it downward, exposing Input Level Adjustment Input trimmer controls in the transmitters enable you to use microphones or guitars with different sensitivities, or to adjust the screwdriver and gain trimmer (Fig. H). Remove the screw- driver and gently turn this gain trimmer control to its full counter-clockwise position. for different acoustic levels. While speaking/singing into the microphone at typically-loud levels, carefully turn the trimmer control clockwise while watching the receiver’s AF Peak indicator. Increase the control CAUTION! The small trimmer controls are delicate; use setting until the AF Peak indicator lights. This indicates that only the supplied screwdriver. Do not force the trimmers maximum transmitter modulation without significant distortion beyond their normal 260 o range of rotation. has been reached. Return the screwdriver to its storage clip when not in use. Return the screwdriver to its clip and close and secure the lower body. (Make certain that the white “battery keeper”arm is inside the body.) No further transmitter gain adjustments should be needed, as long as the acoustic input does not change significantly. Ten Tips To Obtain The Best Results 7. For best operation, adjust the guitar or mic trimmer only until the maximum output lights the AF Peak indicator (don’t overmodulate). 8. If the AF Level control of the receiver is set too high, it may over-drive the input of the mixer or clip the output of the receiver, causing distortion. Conversely, if the receiver output is set too low, the overall signal-to-noise ratio of the system may be reduced. Adjust the output level of the receiver so the highest sound pressure level going into the microphone causes no input overload in the mixer, and yet permits the mixer level controls to operate in their “normal” range (not set too high or too low). This provides the optimum signal-to-noise for the entire system. 9. Turn the transmitter off when not in use. Remove the battery if the transmitter is not to be used for a period of time. 10. In multiple-system applications, set the battery-save switches on Low if possible, to reduce the chance of intermodulation problems. 5 Specifications†
OVERALL SYSTEM Operating Frequency VHF high band, 169 MHz to 216 MHz Frequency Stability ±0.005%, single-frequency crystal-controlled Modulation Mode FM Maximum Deviation Range ±30 kHz, traveling frequencies ±15 kHz Operating Range 200' minimum Operating Temperature Range 40° F (4° C) to 110° F (43° C) Frequency Response 100 Hz to 15 kHz RECEIVER Receiving System Dual independent receivers, automatic- switching diversity reception Image Rejection ≥60 dB Signal-to-noise Ratio >80 dB at 10 kHz deviation (IEC-weighted) Total Harmonic Distortion ≤1% (10 kHz deviation @ 1 kHz) Sensitivity 10 μV for 60 dB S/N (IEC-weighted) Audio Output Unbalanced 350 mV (at 1 kHz, ±10 kHz deviation, 10k ohm load) Balanced 220 mV (at 1 kHz, ±10 kHz deviation, 10k ohm load) Output Connectors Unbalanced 1/4" phone jack Balanced XLRM-type Power Supply 12-18V DC, 350 mA, with provided AC adapter Dimensions 16.93" (430.0 mm) W x 1.92" (48.8 mm) H x 7.28" (185.0 mm) D Weight 5.5 lbs (2.5 kgs) Accessories Included Two whip antennas, rack mount adapters, AD1205A AC adapter UNIPAKTM TRANSMITTER RF Power Output 50 mW Max Spurious Emissions Under federal regulations Dynamic Range ≥90 dB Input Connections High impedance, low impedance, bias Battery 9V (NEDA type 1604) alkaline, not included Current Consumption 30 mA typical Battery Life Approximately 15 hours in High position Approximately 20 hours in Low position Dimensions 2.56" (65.0 mm) W x 4.33" (110.0 mm) H x 1.00" (25.4 mm) D Net Weight (without battery) 2.8 oz (78 grams) HANDHELD TRANSMITTER Polar Pattern Unidirectional RF Power Output 50 mW Max Spurious Emissions Under federal regulations Dynamic Range ≥90 dB Microphone Element Audio-Technica Hi-ENERGY® dynamic Battery 9V (NEDA type 1604) alkaline, not included Current Consumption 30 mA typical Battery Life Approximately 15 hours in “H” (high) position Approximately 20 hours in “L” (low) position Dimensions 9.50" (241.3 mm) long, 2.10" (53.3 mm) dia. Net Weight (without battery) 12.7 oz (360 grams) Accessory Included Stand clamp † In the interest of standards development, A.T.U.S. offers full details on its test methods to other industry professionals on request.
Optional System Accessories
MICROPHONES AND CABLES AT829cW AT829 miniature cardioid condenser microphone only, terminated for use with UniPak transmitter. Includes clothing clip and windscreen. MT830cW MT830R subminiature omnidirectional condenser microphone only, terminated for use with UniPak transmitter. Includes clothing clip and windscreen. MT830cW-TH “Theater” model, same as MT830cW except beige color mic and cable for concealment. AT831cW AT831b miniature cardioid condenser microphone only, terminated for use with UniPak transmitter. Includes clothing clip and windscreen. AT851cW AT851a surface-mount wide-range hemi-cardioid condenser microphone only, terminated for use with UniPak transmitter. AT857AMLcW AT857AMLa 19" gooseneck cardioid microphone only, terminated for use with UniPak transmitter. Mounts to 5/8"-27 thread. Includes windscreen. ATM35cW ATM35 high-intensity cardioid condenser microphone only, terminated for use with UniPak transmitter. Includes AT8418 clip-on instrument mount. ATM73cW ATM73a headworn cardioid condenser microphone only, terminated for use with UniPak transmitter. ATM75cW ATM75 headworn cardioid condenser microphone only, terminated for use with UniPak transmitter. Includes windscreens and cable clip. PRO 8HEcW PRO 8HEx headworn hypercardioid dynamic microphone, terminated for use with UniPak transmitter. Includes windscreen and cable clip. PRO 35xcW PRO 35x cardioid condenser microphone only, terminated for use with UniPak transmitter. Includes AT8418 clip-on instrument mount. AT-GCW Hi-Z instrument/guitar cable with 1/4" phone plug, terminated for use with UniPak transmitter. XLRW Connecting cable for UniPak transmitter with an XLRF-type input connector, for Lo-Z microphones with XLRM-type output terminations. TRANSMITTER ACCESSORIES ATW-VP10 Vinyl pouch with belt clip to hold UniPak transmitter. AT8114 Foam windscreen for handheld transmitter. AT8141 Water-resistant pouch for UniPak transmitter. AT8431 Stand clamp for handheld transmitter, 5/8"-27 threads. RECEIVER ACCESSORIES ATW-A10 Pair of ground-plane antennas with 5/8"-27 thread for mounting to mic stands, etc. Takes RF cables with PL259 connectors, not included. ATW-D12a Active, unity-gain antenna distribution system provides two “1-in, 4-out” amplifier/splitters; connects a pair of antennas to as many as four diversity receivers. Includes two antennas, two input cable adapters and eight output cables. ATW-RA1 Rack-mount antenna kit brings antenna inputs to the front of receiver for ease of setup, or when receiver is enclosed in a metal rack. Includes a pair of extendible antennas. 6
Wireless Operating Frequencies Frequency Selection RF Interference Each transmitter/receiver system operates on a single If you encounter receiving interference (from other than an factory-aligned, crystal-controlled frequency. Available frequencies operating TV station), often it can be eliminated by adjusting are shown in the chart below. the receiver’s squelch control, as described on page 5. Operating frequency is specified by a two- or three-character Please note that wireless frequencies are shared with other radio code, such as “T2” or “11G,” in addition to the actual frequency services. According to Federal Communications Commission in MHz. The frequency of each transmitter appears on a label regulations, “Wireless microphone operations are unprotected on the outside of the unit. The frequency of each receiver from interference from other licensed operations within the appears on a label on the back of the unit and the frequency of band. If any interference is received by any Government or each system appears on the outer carton. For future reference, non-Government operation, the wireless microphone must please record them in the space provided. cease operation...” Because most of these authorized frequencies are shared If you need assistance with operation or frequency selection, with TV broadcasting, frequency selection is largely dependent please contact your dealer or the A-T professional division. upon which TV broadcast channels are in operation where the Extensive wireless information also is available on the A-T wireless system is to be used. Web site at audio-technica.com. Audio-Technica Wireless Operating Frequencies Application Freq. Code Freq. (MHz) • Traveling frequencies: T2 169.505 (Normally work anywhere in the U.S.A. and Canada, T3 170.245 but as a result tend to be crowded.) T8 171.905 • For use only where there is no TV Channel 7: 7G 175.800 7I 176.200 • For use only where there is no TV Channel 8: 8D 181.200 8M 183.200 8S 184.200 • For use only where there is no TV Channel 9: 9F 187.600 9Q 189.800 • For use only where there is no TV Channel 10: 10C 193.000 10J 194.400 10W 196.800 • For use only where there is no TV Channel 11: 11G 199.800 11S 202.200 • For use only where there is no TV Channel 12: 12L 207.000 12S 208.200 12V 208.600 • For use only where there is no TV Channel 13: 13B 210.800 13Q 213.800 Multi-channel Systems Following are groupings of frequencies suggested for multi-channel wireless systems. • For use where TV channels 7, 9, 11 and/or 13 are operating: 8D-8M-8S-10C-10J-10W-12L-12S-12V Traveling frequencies T2, T3 and/or T8 may be used with any of the above frequencies except for: 8D, 8M and 10C. Interference may result from the use of these frequency combinations. • For use where TV channels 8, 10 and/or 12 are operating: 7G-7I-9F-9Q-11G-11S-13Q or 7G-7I-9F-11G-11S-13B-13Q Traveling frequencies T2, T3 and/or T8 may be used with any of the above frequencies with no interference problems. For future reference, please record your system information here (the serial numbers appear inside the battery compartment of each transmitter, and on the bottom of each receiver): Operating Frequency Freq. Code ____ ____ ____ Frequency ____ ____ ____ • ____ ____ ____ MHz Receiver Model __________________ Serial Number ____ ____ ____ ____ ____ ____ ____ Transmitter Model __________________ Serial Number ____ ____ ____ ____ ____ ____ ____ 7
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., Inc. (A.T.U.S.) 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 A.T.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 damage, 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. Notice to individuals with implanted cardiac pacemakers or AICD devices: Any source of RF (radio frequency) energy may interfere with normal functioning of the implanted device. All wire- less microphones have low-power transmitters (less than 0.05 watts output) which are unlikely to cause difficulty, especially if they are at least a few inches away. However, since 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. Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224 330/686-2600 audio-technica.com P50901-01-B/W ©1998 Audio-Technica U.S., Inc. Printed in Japan
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