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Listen Technologies Corporation
8535 South 700 West, Suite A
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
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
D o n ' t m i s s a s i n g l e s o u n d . L i s t e n .
User's Manual
Listen Microphones
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Summary of Contents for Listen Technologies LA-261
- Page 1 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 Technologies Corporation D o n ’...
- Page 2 Your Listen microphone will also work with other manufacturers’ products The Listen Team 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.
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Page 3: Table Of Contents
LA-261 Lapel Microphone ........ -
Page 4: Important Information About Microphone Sensitivity Settings
T T y y p p e e S S w w i i t t c c h h P P o o s s i i t t i i i i o o n n LA-261 Lapel Microphone... - Page 5 Introduction Your Listen microphone is designed 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.
- Page 6 The LA-261 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...
- Page 7 Using the LA-261 Lapel Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 8: La-262 Over-The-Head Microphone
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 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. - Page 9 Using the LA-262 Over-the-Head Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 10: La-268 Over-The-Ear Microphone
LA-268 Over-the-Ear Microphone The LA-268 Over-the-Ear Microphone high provides quality audio pick-up with its directional boom microphone. element The LA-268 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. - Page 11 Using the LA-268 Over-the-Ear Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • Place the unit over your ear and position the microphone as close as possible to your mouth.
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Page 12: La-270 Noise Canceling Microphone
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 noisy environments such as factory tours. element The LA-270 has a uni-directional pick-up pattern. This means that the microphone’s element must be oriented towards your mouth. - Page 13 Using the LA-270 Noise Canceling Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 14: La-272 Over-The-Head Microphone With Earphone
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. element The LA-272 has a uni-directional pick-up pattern. This means that the microphone’s element must be oriented towards your mouth. - Page 15 LA-272 Over-the-Head Microphone with Earphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 16: La-273 Over-The-Ear Microphone With Earphone
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 the microphone’s element must be oriented towards your mouth. - Page 17 LA-273 Over-the-Ear Microphone with Earphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 18: La-274 Hand Held Microphone
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. element The LA-274 has an omni-directional pick-up pattern. - Page 19 Using the LA-274 Hand Held Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the HI position. • Connect the microphone plug firmly to the microphone jack on the LT-700. • To use, slide the switch on the side of the microphone to the ON position (toward the mic element).
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Page 20: La-276 Collar Microphone
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 The LA-276 has a uni-directional pick-up pattern. This means that the microphone’s element must be oriented towards your mouth. - Page 21 Using the LA-276 Collar Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the HI position. • Connect the microphone plug firmly to the microphone jack on the LT-700. • 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.
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Page 22: La-277 Conference Microphone
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. element The LA-277 has an omni-directional pick-up pattern. - Page 23 Using the LA-277 Conference Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • Connect the microphone plug firmly to the microphone jack on the LT-700. • Place the unit on the table, clear of any obstructions that might interfere with its pick up of voices.
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Page 24: La-278 Behind-The-Head Microphone
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. - Page 25 Using the LA-278 Behind-the-Head Microphone • Set the microphone sensitivity switch (located inside front cover of the LT-700 Portable Transmitter) to the MID position. • 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.
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Page 26: Troubleshooting
Microphone Troubleshooting My microphone doesn’t work. • Check to make sure your LT-700 transmitter is turned on and that the batteries are charged. • Make sure your microphone cable is plugged firmly into the microphone jack on the LT-700. • Make sure the LT-700’s MUTE switch is in the correct position. •... - Page 27 Microphone Troubleshooting continued My microphone works, but the audio level is very low. • Make sure the microphone is connected firmly in the LT-700 Transmitter. • 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.
- Page 28 Microphone Specifications LA-261 Lapel Microphone LA-268 Over-the-Ear Microphone Description: High performance Lapel micro- Description: Head-worn microphone, omni- phone, omni-directional, elec- directional electronic condenser tronic-condenser. Black. Clip microphone. Black. Clip and and wind screen included. wind screen included. Frequency Response: 20Hz-15KHz...
- Page 29 Microphone Specifications continued LA-272 Over-the-Head Microphone & Earphone Microphone Specifications Earphone Specifications Description: Single ear receiver. Description: Head-worn, uni-directional, electronic condenser microphone. Black. Clip and Black. Frequency Response: 20-15KHz wind screen included. Frequency Response: 30Hz-5KHz Impedance: 32 Ohms Max Input: 130mW maximum Impedance: 680 Ohms...
- Page 30 Microphone Specifications continued LA-274 Hand Held Microphone LA-277 Conference Microphone Description: High performance hand held, Description: High performance omni-direction- omni-directional, electronic-con- al microphone, electronic-con- denser microphone. Black. Wind denser. Black. screen and wire stand included. Frequency Response: 20Hz-12KHz Frequency Response: 20Hz-15KHz Impedance: 1K Ohms Impedance:...
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Page 31: Warranty
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. - Page 32 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 the 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.
- Page 33 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).
- Page 36 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...
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