Page 5 - Receivers Table of Contents; Supplementary Information
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 of Contents Supplementary Information 44 Channel Selection 44 Listen SQ™ 45 RF Reception Maximizatio...
Page 9 - LR-500 Table of Contents
5 LR-500 LR-500 Table of Contents Package Contents 6 Architectural Specifi cations 7 Specifi cations 7 Quick Reference 7 Setup Instructions 9 Operation Instructions 11 Programming Instructions 13 Squelch Information 14 Squelch Programming 14 Charging Batteries 15 Wall Transformer Operation 16
Page 10 - LR-500 Package Contents; Listen Part Number
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
Page 11 - LR-500 Specifi cations; Architectural Specifi cations
7 LR-500 LR-500 Specifi 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. The receiver shall be capable of seeking chan...
Page 12 - LR-500 Quick Reference
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....
Page 13 - LR-500 Setup Instructions; Remove the product; Select Battery Type; Open the front access door; Set SQ switch
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. WARNING : Do not place the BATTERY switch in the NiMH positio...
Page 14 - Connect an Earphone or Headset; Set Squelch; Program Channels
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. Turn the Unit On Receivers...
Page 15 - LR-500 Operation Instructions; Make Sure the Unit is On
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. Listen receivers use the cable of the earphone or headset as a receiving antenna.Be careful when turning the unit on - if you turn the...
Page 16 - To Lock into Only One Channel; Is the Channel Locked on My Receiver?
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. Is th...
Page 17 - LR-500 Programming Instructions; Enter the PROGRAM mode; Locking Out Unwanted Channels
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. Press the SEEK button to toggle channels between locked out and non-locked out modes Exiting PROGRAM mode To exit the PROGRA...
Page 18 - Squelch; Squelch Programming Instructions; Squelch Programming
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. Without squelch you would hear radio noise in your earphone. The squelch on your receiver can be adjusted so that it ...
Page 19 - LR-500 Charging Batteries
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. The unit can be operated while the batteries are charging. 1 To charge the batteries using a drop-in charger, simply place the u...
Page 20 - LR-500 Wall Transformer Operation
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...
Page 25 - LR-400 Table of Contents
21 LR-400 LR-400 Table of Contents Package Contents 22 Architectural Specifi cations 23 Specifi cations 23 Quick Reference 24 Setup Instructions 25 Operation Instructions 27 Squelch Information 29 Squelch Programming 29 Charging Batteries 30 Wall Transformer Operation 31
Page 26 - LR-400 Package Contents
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)
Page 27 - LR-400 Specifi cations
23 LR-400 LR-400 Specifi 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. The device shall have an audi...
Page 28 - LR-400 Quick Reference
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...
Page 29 - LR-400 Setup Instructions
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. WARNING : Do not place the BATTERY switch in the NiMH positi...
Page 31 - LR-400 Operation Instructions
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. Listen receivers use the cable of the earphone or headset as a receiving antenna.Be careful when turning the unit on - if you turn the...
Page 34 - LR-400 Charging Batteries
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. The unit can be operated while the batteries are charging. 1 To charge the batteries using a drop-in charger, simply place the u...
Page 35 - LR-400 Wall Transformer Operation
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...
Page 39 - LR-300 Table of Contents
35 LR-300 LR-300 Table of Contents Package Contents 36 Architectural Specifi cations 37 Specifi cations 37 Quick Reference 38 Setup Instructions 39 Operation Instructions 41 Charging Batteries 42 Wall Transformer Operation 43
Page 40 - LR-300 Package Contents
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)
Page 41 - LR-300 Specifi cations; Specifi cations
37 LR-300 LR-300 Specifi 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. The device shall have an audio frequency respons...
Page 42 - LR-300 Quick Reference
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 o...
Page 43 - LR-300 Setup Instructions
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. WARNING : Do not place the BATTERY switch in the NiMH positi...
Page 45 - LR-300 Operation Instructions; Test the audio
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. Listen receivers use the cable of the earphone or headset as a receiving antenna.Be careful when turning the unit on - if you turn the k...
Page 46 - LR-300 Charging Batteries
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. The unit can be operated while the batteries are charging. 1 To charge the batteries using a drop-in charger, simply place the u...
Page 47 - LR-300 Wall Transformer Operation
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...
Page 48 - Channel Selection
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. It is important to choose channel...
Page 49 - Listen SQTM
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 techn...
Page 50 - RF Reception Maximization Strategies
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. When designing and installing your system, kee...
Page 51 - 2 MHz Compatibility Chart
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 75.3750 40 J0 40 40 (45, 53) 75.4000 R R R R R...
Page 52 - 16 MHz Compatibility Chart
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 216.1250 2C 43 43 A 3 6 216.1375 3C ...
Page 53 - Troubleshooting
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. If this does not work, try ...
Page 55 - Compliance Notice and FCC Statement; Compliance Notice
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 interfe...
Page 56 - Warranty & Contacting Listen; Warranty
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, LR-500, LR-600) to be free from defects in workmanship and material under normal use and conditions ...
Page 57 - Optional Accessories; Earphone Options; Connector Options
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 164 4 LA-166 LA-170 LA-161 Single Ear Bud v Connector Options LA-265 Consumer Camcorder Cable LA-275 Sacrificial Cabl...
Page 58 - Notes
