Listen Technologies LR-300 manual

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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. That’s why we independently certify them to the highest quality standards and back them with[...]

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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 of Contents Supplementary Information 44 Channel Selection 44 Listen SQ™ 45 RF Reception Maximization Strategies 46 72 MHz Frequency Compatibility T[...]

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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 Squelch Information 14 Squelch Programming 14 Charging Batteries 15 Wall Transformer Operation 16[...]

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. The receiver shall be capable of seeking channels. The device shall have an adjustable sque[...]

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. Channel Display: Displays the channel the LR-500[...]

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 position if you are not using Nickel Metal Hydride Batter[...]

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 are turned on by rotating the volume dial counter[...]

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 knob too far you might get too much volume in yo[...]

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 the Channel Locked on My Receiver? On the LR-500, wh[...]

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 PROGRAM mode, let the receiver sit idle (don’t press a[...]

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 will mute the audio on different RF signal strengt[...]

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 unit into a slot in the charger and connect the[...]

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. You do not need to have b[...]

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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 Squelch Programming 29 Charging Batteries 30 Wall Transformer Operation 31[...]

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. The device shall have an audio frequency response of 63 Hz to 15 KHz, ± 3d[...]

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. Channel Display: Displays the channel the LR-50[...]

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 position if you are not using Nickel Metal Hydride Batte[...]

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. Turn the Unit On Receivers are turned on by rotating the volume dial counter[...]

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 knob too far you might get too much volume in yo[...]

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. Is the Channel Locked on My Receiver? On the LR-400, wh[...]

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. Without squelch you would hear radio noise in your earphone. The squelch on your receiver can be adjusted so that it will mute the audio on different RF signal strengt[...]

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 unit into a slot in the charger and connect the[...]

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. You do not need to have b[...]

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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 Wall Transformer Operation 43[...]

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. The device shall have an audio frequency response of 63 Hz to 15 KHz, ± 3dB at 72 MHz. The de[...]

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. Battery Compartment: Place[...]

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 position if you are not using Nickel Metal Hydride Batte[...]

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. Turn the Unit On Receivers are turned on by rotating the volume dial countercl[...]

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 knob too far you might get too much volume in your[...]

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 unit into a slot in the charger and connect the[...]

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. You do not need to have b[...]

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 channels that are free from interference to achieve prope[...]

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™. Both the transmitter [...]

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, keep in mind that the location of both the transmitte[...]

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, (54) 26 Q 75.4250 21 R1 21 21 (46, 55) 75.4500[...]

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 22 6 216.1625 1D 23 7 216.1750 2D 44 44 B 4 14 216[...]

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. If this does not work, try a different set of batteries. Make sure the batter[...]

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). You can change these channel lock-out selectio[...]

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. This equipmen[...]

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 for the useful lifetime of the product from date o[...]

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 - 170 LA-161 Single Ear Bud v Connector Options LA-265 Consumer Camcorder Cable LA-275 Sacrificial Cable LA-266 Professional Camcorder Cable[...]

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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.listentech.com © 2008 Listen Technologies Corporation ® All Rights Reserved 081208[...]