Listen Microphones User`s Manual
Contents
1. e Q lt N Q E 9 E b i Q lt a Q 2 2 22 Microphone Troubleshooting My microphone doesn t work e Check to make sure your LT 700 transmitter is turned on and that the batteries are charged e Make sure your microphone cable is plugged firmly into the microphone jack on the LT 700 e Make sure the LT 700 MUTE switch is in the correct position e LA 274 make sure the microphone s ON OFF switch is in the correct position My microphone audio sounds distorted or fuzzy e Make sure the Mic Sensitivity Switch inside cover of LT 700 is set to the cor rect position for your microphone e Make sure you are speaking in a normal voice If you speak too loudly your audio will be distorted Microphone Troubleshooting continued My microphone works but the audio level is very low e Make sure the microphone is connected firmly in the LT 700 Transmitter e Make sure the microphone is positioned so the mic element points directly at your mouth Refer to individual microphone page to confirm correct orienta tion Q e G T po o d a S o on T 6 o Q e Make sure the Mic Sensitivity Switch inside front cover of the LT 700 is in the correct position for your microphone See page 2 to verify correct setting for your microphone Transmission seems to stop or audio cuts out e Make sure the microphone is firmly plugged into to the LT 700 23 N CC Q O 2 O2. User s Manual Listen Microphones Includes LA 261 Lapel Microphone LA 262 Over the Head Microphone LA 268 Over the Ear Microphone LA 270 Noise Canceling Microphone LA 272 Over the Head Microphone with Earphone LA 273 Over the Ear Microphone with Earphone LA 274 Hand Held Microphone LA 276 Collar Microphone LA 277 Conference Microphone LA 278 Behind the Head Microphone Listen www ListenTech com Listen Technologies Corporation 8535 South 700 West Suite A Don t miss a single sound Listen Sandy Utah 84070 2515 USA Telephone 1 801 233 8992 Toll Free North America 1 800 330 0891 Fax 1 801 233 8995 E mail info ListenTech com 9 N 2 o o o 2 Dear Valued Customer Thank you for choosing Listen All of us at Listen are dedicated to providing you the highest quality products and prompt efficient customer care Our products are manufactured in an ISO 9000 factory that has been independently certified to the highest quality standards We stand ready to answer any questions you might have during installation or in the operation of our products Should there be any problems with your Listen products we are ready to help you in any way we can Should you have any comments on how we might improve our products or our service we re here to listen Here s how to reach us Telephone 1 801 233 8992 Fax 1 801 233 8995 Toll Free North America 1 800 330 0891 E Mail support List
3. Product specifications for all microphones o ooooooocccconaracrcc rerne 24 Warranty a aE KER no ERAS eM odie mate HR VTS Poh CAPO ALES EY ORES 27 c S G E E 3 6 Q E Important Information About Microphone Sensitivity Settings When you connect your Listen Microphone to your LT 700 Portable Transmitter you must make sure that the microphone sensitivity switch located inside the front cover of the LT 700 is set to the sensitivity specified for your microphone If this switch is not in the correct position your audio may sound low or distorted Please note the sensitivity setting for your microphone and check the switch setting in the LT 700 prior to using your Listen equipment The microphone sensitivity switch is located inside the front cover of the LT 700 Mic sensitivity Microphone Type Switch Position MIC SENSITIVITY HI MED LO y Lapel Microphone omni directional MID Over the head Microphone uni directiona MID WARNING Can Do it place the Over the ear Microphone omni directional MID Noise Canceling Microphone uni directiona MID Over the head Mic with Earphone uni directiona MID Over the ear Mic with Earphone uni directiona MID Hand held Microphone omni directional HI Collar Microphone uni directiona HI Conference Microphone omni directional Behind the head Microphone uni directiona Introduction Your Listen microphone is design
4. 1 3m 1 5 oz 42 5 None Warranty Listen Microphones and other accessories carry a limited 90 day warranty This warranty is only available to the original end purchaser of the product and cannot be transferred Warranty is only valid if warranty card has been returned within 90 days of purchase This warranty is void if damage occurred because of misuse or if the product has been repaired or modified by anyone other than a Listen factory authorized service technician Warranty does not cover normal wear and tear on the product or any other physical damage unless the damage was the result of a manufacturing defect Listen is not liable for consequential damages due to any failure of equipment to perform as intended Listen shall bear no responsibility or obligation with respect to the manner of use of any equipment sold by it Listen specifically disclaims and negates any warranty of merchantability or fit ness of use of such equipment including without limitation any warranty that the use of such equip ment for any purpose will comply with applicable laws and regulations The terms of the warranty are governed by the laws of the State of Utah AJUDIIOM 27 Warranty 28 Warranty continued Listen will only accept returned products with prepaid shipping and with a return authorization number To receive a return authorization number call 1 800 330 0891 or 1 801 233 8992 Listen will refund the purchase price of the product to t
5. Microphone Specifications continued LA 274 Hand Held Microphone Description High performance hand held omni directional electronic con denser microphone Black Wind screen and wire stand included Frequency Response 20Hz 15KHz Impedance less than 2 2K Ohms Phantom Power 3VDC required Connector 3 5mm mono Cable Length 36 in 92 cm Weight 4 0 oz 113g Accessories None LA 276 Collar Microphone Description Shoulder neck worn uni direction al microphone Black Flexible body Wind screen included Frequency Response 300Hz 18KHz Impedance 1K Ohms Phantom Power 1 5VDC required Mic Length 22 inch 55 9cm Connector 3 5 mm mono Cable Length 48 inch 1 2m Weight 4 0 oz 113g Accessories None LA 277 Conference Microphone Description Frequency Response Impedance Phantom Power Mic Height Mic Diameter Connector Cable Length Weight Accessories High performance omni direction al microphone electronic con denser Black 20Hz 12KHz K Ohms VDC required 2 3 inch 58mm 4 inch 35mm 3 5 mm mono 48 inch 1 2m 2 7 oz 77g None LA 278 Behind the Head Microphone Description Frequency Response Impedance Phantom Power Mic Length Connector Cable Length Weight Accessories Worn behind the head attaches to ears uni directional microphone Black Windscreen included 150 10KHz 2K Ohms 3VDC required 4 5 in 11 5cm 3 5 mm mono 52 in
6. face or clothing e Connect the plug firmly to the microphone jack on the LT 700 a e N N e lt 0 T ey o I D Q a 0 LA 268 Over the Ear Microphone The LA 268 Over the Ear Microphone high provides quality audio pick up with its directional boom microphone 2 6 Lu oO z oO gt O o D lt element The LA 268 has an omni directional pick up pattem This means that audio from a broader area can be picked up by the microphone element The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup Using the LA 268 Over the Ear Microphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit over your ear and position the microphone as close as possible to your mouth For best results the mic element should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise id N ro le lt T gt bs m Q O e Connect the plug firmly to the microphone jack on the LT 700 2 2 D o O 5 9 2 z i N D lt ml LA 270 Noise Canceling Microphone The LA 270 Noise Canceling Microphone provides high quality audio pick up with its directional boom microphone Its noise canceling technology makes it ideal for noi
7. front cover of the LT 700 Portable Transmitter to the MID position e Clip the microphone as close as possible to your mouth For best results the mic element should be no more than 6 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise e Make sure the microphone is not rubbing on your face or clothing e Connect the plug firmly to the microphone connector on the LT 700 2 2 v 6 d d D gt O N so D lt LA 262 Over the Head Microphone The LA 262 Over the Head Microphone provides high quality audio pick up with its directional boom microphone element The LA 262 has a uni directional pick up pattem This means that the microphone s element must be oriented towards your mouth It will not pick up audio very well from the side of the microphone The main advantage of this type of microphone is that it helps minimize feedback and picks up less environmental noise Using the LA 262 Over the Head Microphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit over your head and position the microphone as close as possible to your mouth For best results the mic element should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise e Make sure the microphone is not rubbing on your
8. is 2 to 3 feet The closer you are to the microphone the better it will sound 19 2 2 v 5 d S d L T LG i d GD mn y lt 20 LA 278 Behind the Head Microphone The LA 278 Behind the Head Microphone provides excellent audio quality with its directional capabilities This microphone fits securely behind the head below the hairline and over the ears This design allows the user to adjust the size to fit on the speakers head comfortably for extended periods of time element NY The LA 278 has an omni directional pick up pattem This means that audio from a broader area can be picked up by the microphone element a The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup Using the LA 278 Behind the Head Microphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit behind your head below the hairline stretching the wire to fit comfortable over your ears Position the microphone as close as possible to your mouth For best results the mic element should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise gt N N 00 ow 0 2 D gt x D Q a 0 e Connect the microphone plug firmly to the microphone jack on the LT 700 21 D
9. o n o a lt o 2 2 24 Microphone Specifications LA 261 Lapel Microphone Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories High performance Lapel micro phone omni directional elec tronic condenser Black Clip and wind screen included 20Hz 15KHz less than 2 2K Ohms 3VDC required 3 5 mm mono 36 in 92 cm 4 oz 113g None LA 262 Over the Head Microphone Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories Head worn uni directional elec tronic condenser microphone Black Clip and wind screen included 30Hz 5KHz 680 Ohms 3VDC required 3 5mm mono 36 in 92cm 8 oz 227g LA 264 Replacement Mic Screens and Ear Cushions LA 268 Over the Ear Microphone Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories Head worn microphone omni directional electronic condenser microphone Black Clip and wind screen included 30Hz 15KHz Less than 2 2K Ohms 3VDC required 3 5 mm mono 36 in 92cm 8 oz 227g None LA 270 Noise Canceling Microphone Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories Head worn noise canceling con denser microphone uni direc tional Black Wind screen included 300Hz 10KHz 1
10. t your other cables increasing the life of your microphone or ear phone It provides 3 5mm mono male and female connectors with a 6 in 15 2 cm cable S9O1J0Ss9DIY 29 30 www ListenTech com Listen Technologies Corporation 8535 South 700 West Suite A Sandy Utah 84070 2515 U S A Telephone 1 801 233 8992 Toll Free North America 1 800 330 0891 Fax 1 801 233 8995 E mail info ListenTech com
11. 0 Portable Transmitter to the HI position A N N A I Q a I o o 0 e Connect the microphone plug firmly to the microphone jack on the LT 700 e To use slide the switch on the side of the microphone to the ON position toward the mic element For best results the mic element should be no more than 6 inches from your mouth To mute your audio slide the switch to the OFF position toward the cord e A stand is provided see illustration on page 14 for optional hands free use When using the stand try to place the mic as close to your mouth as possible 2 2 3 N D lt LA 276 Collar Microphone The LA 276 Collar Microphone provides high quality audio pick up with its directional boom microphone It is ideal for users who don t want to wear something on their heads or ears element C The LA 276 has a uni directional pick up pattern This means that the microphone s element must be oriented towards your mouth It will not pick up audio very well from the side of the microphone The main advantage of this type of microphone is that it helps minimize feedback and picks up less environmental noise Using the LA 276 Collar Microphone if N N o O o q O e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the HI position e Connect the microphone plug firmly to the microphone jack on the LT 700
12. K Ohms 3VDC required 3 5 mm mono 55 inch 1 4m 2 oz 59g None Microphone Specifications continued LA 272 Over the Head Microphone Earphone Microphone Specifications Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories Head worn uni directional electronic condenser microphone Black Clip and wind screen included 30Hz 5KHz 680 Ohms 3VDC required 3 5mm mono 36 in 92cm 8 oz 227g LA 264 Replacement Mic Screens LA 273 Over the Ear Microphone amp Earphone Microphone Specifications Description Frequency Response Impedance Phantom Power Connector Cable Length Weight Accessories Head worn microphone uni directional electronic condenser microphone Black Clip and wind screen included 30Hz 15KHz Less than 2 2K Ohms 3VDC required 3 5mm mono 36 in 92cm 8 oz 227g None Earphone Specifications Description Frequency Response Impedance Max Input Connector Accessories Single ear receiver Black 20 15KHz 32 Ohms 130mW maximum 3 5mm mono Ear Cushions 9 L T o wn 0 0 Q 2 z po n Earphone Specifications Description Frequency Response Impedance Max Input Connector Accessories Single ear receiver Black 20Hz 15KHz 32 Ohms 100 mW 3 5mm mono None 25 N CC Q O 2 O o N Cc lt o 2 E 2 26
13. e Place the collar ring around your neck and position the microphone so that it is in front of your mouth and as close to your mouth as possible without rubbing on your face or clothing For best results the mic element should be 1 to 2 inch es from your mouth e For best results bend the microphone wire to fit snuggly around the speakers neck 17 LA 277 Conference Microphone The LA 277 Conference Microphone provides high quality audio pickup in all directions It is designed to be used on a table or other flat surface This is an ideal microphone for multiple users of one transmitter 2 oO O c a 2 C O O N N N lt 1 element 1 1 The LA 277 has an omni directional pick up pattern This means that audio from a broader area can be picked up by the microphone element The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup 18 Using the LA 277 Conference Microphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position 2 rs N N N O fe El Y 1 O O e Connect the microphone plug firmly to the microphone jack on the LI 700 e Place the unit on the table clear of any obstructions that might interfere with its pick up of voices For best quality users should be as close to the microphone as possible the ideal range
14. ed to provide high quality audio when used with a Listen LT 700 Portable Transmitter Listen microphones will work with LT 700 units on either 72 MHz or 216 MHz Your Listen microphone will also work with any product that supplies 3VDC phantom power and conforms to the diagram below 3 5mm jack Microphone Ground T T Tip Ring Sleeve Line Input To achieve the desired audio quality from your Listen microphone it is important to use it as instructed The instructions for your microphone provide guidelines on placement and use If you experience trouble with your microphone check the troubleshooting section of this manual first to try to resolve the problem If you are still having difficulties contact Listen support support information available on inside cover of this manual 3 E a Q 5 Using the LA 261 Lapel Microphone 2 2 o a D o S lt The LA 261 Lapel Microphone is a high performance non directional microphone that clips on your collar or lapel element The LA 261 has an omni directional pick up pattem This means that audio from a broader area can be picked up by the microphone element The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup Using the LA 261 Lapel Microphone 9 N o C e Lo Y 2 e Set the microphone sensitivity switch located inside
15. enTech com Web www ListenTech com Thank you and enjoy your listening experience Best regards The Listen Team Listen PORTABLE TRANSMITTER All Listen microphones are designed for use with the LF700 portable transmitter Only microphones sold by Listen should be used with your LF700 Your Listen microphone will also work with other manufacturers products that supply 3VDC phantom power Listen and the Listen logo are registered trademarks of Listen Technologies Corporation Microphones_2004_06_16 2004 Listen Technologies Corporation All Rights Reserved Table of Contents o YT 2 O S 5 a Important Information About Microphone Sensitivity Settings 2 LO UCI A aioe eat A ak 3 LA 261 Lap el Microphon s 0000000 de sas iria bee ba ne pinoi oS 4 LA 262 Over the Head Microphone raro 6 LA 268 Over the Ear Microphone 0oooocccooococcccn rr 8 LA 270 Noise Canceling Microphone rr 10 LA 272 Over the Head Microphone with Earphone oo 12 LA 273 Over the Ear Microphone with Earphone 00 00 e eee 13 LA 274 Hand Held Microphone surco Rd nd aora fens saad retake Aine ot Te 14 LA 276 Coll r Microphone gcc mls Aah cesarean A he bias abe dtd Nice 16 LA 277 Conference Microphone 00 esse cece cece cece creer eens 18 LA 278 Behind the Head Microphone 0 0 0 nso 20 Troubleshooting cd ed SR ERE Maes Peed Cera eee esha BENS Gees 22
16. he original purchaser within the first ninety days after purchase if the product does not perform better than a similar competitive product subject to an annual amount to any one original purchaser not to exceed 1 000 and subject to the conditions of this limited warranty This is called our Whatever it takes Performance Guarantee Refunds will only be given to the original pur chaser of product once the product has been returned to the factory in good working order with an explanation for the refund To receive a refund call Listen for a return authorization number Return the product with a letter on the end user s letterhead stating the reason for the refund and a copy of the original invoice If the product was purchased through a dealer refunds must be processed through the original dealer This limited warranty prices and the specifications of products are subject to change without notice For complete warranty information visit the Listen website at www ListenTech com Accessories LA 263 Y Cable This cable makes it easy to use a line level source such as a CD player along with your microphone It provides one 3 5mm male jack and splits to one RCA phono connector line input to LT 700 and one 3 5mm female connector Mic input to LT 700 The cable length of 48 in 122cm serves as an antenna for the LT 700 as well LA 275 Sacrificial Cable is earphone microphone connection cable relieves strain on This earph ph t ble rel
17. s that it helps minimize feedback and picks up less environmental noise LA 273 Over the Ear Microphone with Earphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit over your ear and position the microphone as close as possible to your mouth For best results the mic element should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise gt N N w z le z 5 m Q Lo T LS po 0 e Connect the earphone plug firmly to the earphone jack on the Listen receiver e Connect the microphone plug firmly to the microphone jack on the LT 700 17 LA 274 Hand Held Microphone The LA 274 Hand Held Microphone provides high quality audio pick up with its directional pickup pattern Its small size makes it easy to use The unit can be held in the hand or placed in a stand on a table as shown at right 2 2 9 o x v LS I lt N D lt element The LA 274 has an omni directional pick up pattem This means that audio from a broader area can be picked up by the micro phone element The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup Using the LA 274 Hand Held Microphone e Set the microphone sensitivity switch located inside front cover of the LT 70
18. sy environments such as factory tours element YE ee The LA 270 has a uni directional pick up pattem This means that e S the microphone s element must be oriented towards your mouth It will not pick up audio very well from the side of the microphone The main advantage of this type of microphone is that it helps minimize feedback and picks up less environmental noise Using the LA 270 Noise Canceling Microphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit over your ears wrapping it behind your head Position the microphone as close as possible to your mouth For best results the mic ele ment should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise gt N N e z o Y 6 O o 0 o Q 5 e Connect the plug firmly to the microphone jack on the LT 700 11 oO G O Q e Lu lt gt 2 2 e Lw Si lt P LA 272 Over the Head Microphone with Earphone The LA 272 Over the Head Microphone provides high quality audio pick up with its directional boom microphone It allows you to simultaneously transmit on a LT 700 and receive audio on a Listen portable receiver semeni Add The LA 272 has a uni directional pick up pattem This means that 2 the microphone s element must be oriented towards your mou
19. th It will not pick up audio very well from the side of the microphone The main advantage of this type of microphone is that it helps minimize feedback and picks up less environmental noise LA 272 Over the Head Microphone with Earphone e Set the microphone sensitivity switch located inside front cover of the LT 700 Portable Transmitter to the MID position e Place the unit over your head and position the microphone as close as possible to your mouth For best results the mic element should be 1 to 2 inches from your mouth This will help to ensure that the microphone picks up your voice rather than room noise e Connect the earphone plug firmly to the earphone jack on the Listen receiver e Connect the microphone plug firmly to the microphone jack on the LT 700 gt N N N z le z 5 m Q Lo T LS po 0 13 oO G fe Q e Lu lt z 2 m mn D LA 273 Over the Ear Microphone with Earphone The LA 273 Over the Ear Microphone with Earphone provides high quality audio pick up with its directional boom microphone It allows you to simultaneously transmit on an LT 700 and receive audio on a Listen portable receiver The LA 273 has a uni directional pick up pattern This means that element j the microphone s element must be oriented towards your mouth oe It will not pick up audio very well from the side of the microphone SSS The main advantage of this type of microphone i
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