Instruction/ maintenance manual of the product LR-500 Listen Technologies
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Dear Valued Customer, Thank you for choosing Listen! All of us at Listen are dedicated to providing you with the highest quality products available. We take great pride in their outstanding performance because we care that you are completely satis fi ed.
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LR-400 Table of Contents LR-500 LR-300 Information LR-500 Manual 3 LR-500 Table of Contents 5 LR-400 Manual 19 LR-400 Table of Contents 21 LR-300 Manual 33 LR-300 Table of Contents 35 Receivers Table .
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5 LR-500 LR-500 Table of Contents Package Contents 6 Architectural Speci fi cations 7 Speci fi cations 7 Quick Reference 7 Setup Instructions 9 Operation Instructions 11 Programming Instructions 13 .
6 LR-500 LR-500 Package Contents 3 LR-500 Contents • LR-500 Portable Programmable Display FM Receiver (72 MHz, 216 MHz) Listen Part Number •LR-500-072 (72 MHz) •LR-500-216 (216 MHz) 3.
7 LR-500 LR-500 Speci fi cations Architectural Specifi cations The FM reciever shall be capable of receiving on 57 wide and narrow band channels with a SNR of 80dB or greater. The receiver shall be programmable to electronically lock out unneeded channels.
8 LR-500 LR-500 Quick Reference 3.5 mm Output Jack: Connect a Listen earphone(s) here. On/Off and Volume Control Dial Power/Charging Port Front Door Lock LED: When lit, indicates unit has power. When batteries are low or charging the LED fl ashes RF Receive Indicator: Indicates the RF receive level.
9 LR-500 LR-500 Setup Instructions 1 2 3 4 5 Remove the product Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance.
10 LR-500 LR-500 Setup Instructions 6 7 8 Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit. Either mono or stereo connectors may be used with a Listen receiver. Make certain you push the plug all the way into the jack.
11 LR-500 LR-500 Operation Instructions 1 2 3 4 5 Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
12 LR-500 LR-500 Operation Instructions 6 To Lock into Only One Channel Press and hold the SEEK button for 5 seconds to lock a receiver onto the currently tuned channel. Press and hold the button again to unlock. When locked the LED on top of the unit will flash when you press the SEEK button.
13 LR-500 LR-500 Programming Instructions 1 2 3 Enter the PROGRAM mode Press the UP and DOWN buttons simultaneously for 5 seconds, until the PGM symbol appears in the display.
14 LR-500 LR-500 Squelch Squelch The purpose of squelch is to mute the audio output of your receiver when the signal from the transmitter is turned off or is too weak to be received.
15 LR-500 LR-500 Charging Batteries To charge the batteries using the LA-202 wall transformer, plug the transformer into the jack marked “PWR/CHG” on the side of the unit.
16 LR-500 LR-500 Wall Transformer Operation The LR-500 will operate normally when connected to a wall transformer. Use Listen part number LA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side of the LR-500 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
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21 LR-400 LR-400 Table of Contents Package Contents 22 Architectural Speci fi cations 23 Speci fi cations 23 Quick Reference 24 Setup Instructions 25 Operation Instructions 27 Squelch Information 29.
22 LR-400 LR-400 Package Contents LR-400 Contents • LR-400 Portable Display FM Receiver (72 MHz, 216 MHz) Listen Part Number •LR-400-072 (72 MHz) •LR-400-216 (216 MHz).
23 LR-400 LR-400 Speci fi cations Architectural Specifi cations The FM receiver shall be capable of receiving on 57 wide and narrow band channels with a SNR of 80dB or greater. The receiver shall be capable of seeking channels. The device shall have an adjustable squelch.
24 LR-400 LR-400 Quick Reference 3.5 mm Output Jack: Connect a Listen earphone(s) here. On/Off and Volume Control Dial Power/Charging Port Front Door Lock LED: When lit, indicates unit has power. When batteries are low or charging the LED fl ashes RF Receive Indicator: Indicates the RF receive level.
25 LR-400 LR-400 Setup Instructions 1 2 3 4 5 Remove the product Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance.
26 LR-400 LR-400 Setup Instructions 6 7 8 Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit. Either mono or stereo connectors may be used with a Listen receiver. Make certain you push the plug all the way into the jack.
27 LR-400 LR-400 Operation Instructions 1 2 3 4 5 Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
28 LR-400 LR-400 Operation Instructions 6 To Lock into Only One Channel Press and hold the SEEK button for 5 seconds to lock a receiver onto the currently tuned channel. Press and hold the button again to unlock. When locked the LED on top of the unit will flash when you press the SEEK button.
29 LR-400 LR-400 Squelch Squelch The purpose of squelch is to mute the audio output of your receiver when the signal from the transmitter is turned off or is too weak to be received.
30 LR-400 LR-400 Charging Batteries To charge the batteries using the LA-202 wall transformer, plug the transformer into the jack marked “PWR/CHG” on the side of the unit.
31 LR-400 LR-400 Wall Transformer Operation The LR-400 will operate normally when connected to a wall transformer. Use Listen part number LA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side of the LR-400 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
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35 LR-300 LR-300 Table of Contents Package Contents 36 Architectural Speci fi cations 37 Speci fi cations 37 Quick Reference 38 Setup Instructions 39 Operation Instructions 41 Charging Batteries 42 .
36 LR-300 LR-300 Package Contents LR-400 Contents • LR-300 Portable Digital FM Receiver(72 MHz or 216 MHz) Listen Part Number •LR-300-072 (72 MHz).
37 LR-300 LR-300 Speci fi cations Architectural Specifi cations The FM receiver shall be capable of receiving on 17 wide band channels and have a SNR of 80dB or greater. The receiver shall be capable of seeking channels. The device shall have a squelch.
38 LR-300 LR-300 Quick Reference 3.5 mm Output Jack: Connect a Listen earphone(s) here. On/Off and Volume Control Dial Power/Charging Port Front Door Lock LED: When lit, indicates unit has power. When batteries are low or charging the LED fl ashes SEEK Button: Allows the user to search for or lock onto an active channel.
39 LR-300 LR-300 Setup Instructions 1 2 3 4 5 Remove the product Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance.
40 LR-300 LR-300 Setup Instructions 6 7 Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit. Either mono or stereo connectors may be used with a Listen receiver. Make certain you push the plug all the way into the jack.
41 LR-300 LR-300 Operation Instructions 1 2 3 4 Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
42 LR-300 LR-300 Charging Batteries To charge the batteries using the LA-202 wall transformer, plug the transformer into the jack marked “PWR/CHG” on the side of the unit.
43 LR-300 LR-300 Wall Transformer Operation The LR-300 will operate normally when connected to a wall transformer. Use Listen part number LA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side of the LR-300 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
44 Information Channel Selection It is highly recommended that after channel selection has been achieved, you lock the channel so that it cannot be changed by the user. To accomplish lock on receivers, press and hold seek for 5 seconds. Repeat the process to unlock.
45 Information Listen SQ™ We are accustomed to listening to low noise, high fidelity audio (delivered via CD, DVD, etc.). FM radio systems, such as those made by Listen, have more inherent noise compared to most sound systems. To reduce noise of our systems, Listen now offers a noise reduction technology called Listen SQ™.
46 Information RF Reception Maximization Strategies For proper and dependable operation, Listen receivers should receive a strong and consistent signal from the originating transmitter. The following strategies should be used to maximize this signal: a.
47 Information Frequency MHz Listen Phonak Microfield Phonic Ear Comtek Williams* Gentner Telex Drake 75.2250 37 I7 37 37 (41, 47) 75.2500 (48) 23 75.2750 38 I8 38 38 (42, 49) 75.3000 J J J J J , (43, 50 ) 24 P 75.3250 39 J9 39 39 (55, 51) 75.3500 (52) 25 75.
48 Information 216 MHz Compatibility Chart Frequency MHz Listen Phonak Microfield Comtek Williams Gentner CSI AVR Light Speed 216.0125 1A 1 1 C01 N01 216.0250 2A 41 41 1 1 216.0375 3A 2 2 216.0625 1B 21 3 216.0750 2B 42 42 2 10 216.0875 3B 4 4 216.1125 1C 5 5 C05 216.
49 Information Troubleshooting LR-300, LR-400, LR-500 Receivers Troubleshooting The receiver has no power. Make sure the unit has either fully charged batteries or a Listen approved wall transformer connected. Make sure the VOLUME knob has been rotated to the ON position.
50 Information I cannot change channels when pressing the UP and DOWN buttons or the SEEK button. The unit is locked. Press the SEEK button for 5 seconds to unlock. When I change channels, only certain channels are accessible. The unit has been programmed to tune to only certain channels (LR-500 only).
51 Information Compliance Notice and FCC Statement Compliance Notice FCC Statement This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
52 Information Warranty & Contacting Listen Warranty Listen Technologies Corporation (Listen) warrants its transmitters and receivers (LT-82, LT-700, LT-800, LR-100, LR-42, LR-44, LR-300, LR-400, .
53 Information Optional Accessories v Earphone Options LA-164 Ear Speaker LA-162 Stereo Ear Buds LA-165 Stereo Headphones LA-166 Neck Loop LA-170 Behind-the-Head Stereo Headphones LA 1 64 4 LA-1 66 LA.
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Listen Technologies Corporation 14912 Heritagecrest Way Bluffdale, Utah 84065-4818, U.S.A. +1.801.233.8992 +1.800.330.0891 North America +1.801.233.8995 fax www.
An important point after buying a device Listen Technologies LR-500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Listen Technologies LR-500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Listen Technologies LR-500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Listen Technologies LR-500 you will learn all the available features of the product, as well as information on its operation. The information that you get Listen Technologies LR-500 will certainly help you make a decision on the purchase.
If you already are a holder of Listen Technologies LR-500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Listen Technologies LR-500.
However, one of the most important roles played by the user manual is to help in solving problems with Listen Technologies LR-500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Listen Technologies LR-500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
