Listen-technologies LR-300 User Manual

User’s ManualLR-500 Programmable Display ReceiverLR-400 Display ReceiverLR-300 ReceiverDon’t miss a single sound. Listen.Listen Technologies Corpora

8LR-500 Quick ReferenceQuick ReferenceLR-500 Front3.5mm Input JackA Listen earpiece or headsetconnects here.LED - when lit, indicatesunit has power.ON

9LR-500 Quick ReferenceQuick ReferenceLR-500 Inside Access DoorBattery Select Switch - place in NiMH position ONLY if youare using Nickel Metal Hydrid

10LR-500 Quick ReferenceQuick ReferenceLR-500 Look & Listen™ DisplayDots indicate the relative RFsignal strength. Indicates the currentlytuned ch

11LR-500 Setup InstructionsLR-500 Setup InstructionsRemove the productRemove outer packaging and plastic cover. Inspect for physical damage. If dama

12LR-500 Setup InstructionsLR-500 Setup Instructions continuedSet SQ switchThe SQ switch is inside the battery compartment next to the Battery Select

13LR-500 Setup InstructionsLR-500 Setup Instructions continuedConnect an Earphone or HeadsetYour headset or earphone will connect to the jack on the t

14LR-500 OperationLR-500 Operation InstructionsMake Sure the Unit is OnRotate the volume knob counterclockwise with an earphone or headset connected t

15LR-500 OperationLR-500 Operation Instructions continuedFind an audio transmission using SEEKAnother way to find a channel on the LR-500 is to use t

16LR-500 ProgrammingLR-500 Programming InstructionsThe LR-500 Display Receiver has some special features not available in the other receivers:you may

17LR-500 SquelchLR-500 SquelchSquelchThe purpose of squelch is to mute the audio output of your receiver when the signal from the trans-mitter is turn

Welcome to Listen!iDear Valued Customer,Thank you for choosing Listen! All of us at Listen are dedicated to providing youthe highest quality products

18LR-500 SquelchSquelch ProgrammingTo enter Squelch programming mode· Turn the unit off· Press and hold the seek button; while still holding seek turn

LR-500 Charging Batteries19LR-500 Charging BatteriesThe LR-500 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. W

LR-500 Charging Batteries20LR-500 Charging Batteries continuedDuring the charge cycle, the red LED on top of the Listen product will flash slowly. Wh

21LR-500 Wall TransformerLR-500 Wall Transformer OperationThe LR-500 will operate normally when connected to a wall transformer. Use Listen part numb

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23User’s ManualLR-400 Display ReceiverDon’t miss a single sound. Listen.Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-

24LR-400 Welcome to Listen!· LR-400 (72MHz or 216MHz)· Warranty Card· Receiver User ManualLR-400 Package Contents72 MHz: LR-400-072216 MHz: LR-400-2

25LR-400 Table of ContentsArchitectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26LR-400 SpecificationsLR-400 SpecificationsArchitectural SpecificationsThe FM receiver shall be capable of receiving on 57 wide and narrow band chann

27LR-400 SpecificationsSet Up ControlsUser ControlsProgrammingLCD DisplayLED Battery TypeBattery Life (Listen batteries)Battery Charging (NiMH only)Po

Table of Contents1LR-500 User’s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3LR-500 Table of Co

28LR-400 Quick ReferenceQuick ReferenceLR-400 FrontLED - when lit, indicatesunit has power.3.5mm Input JackA Listen earpiece or headsetconnects here.O

29LR-400 Quick ReferenceQuick ReferenceLR-400 Inside Access DoorBattery Select Switch - place in NiMH position ONLY if youare using Nickel Metal Hydri

30LR-400 Quick ReferenceQuick ReferenceLR-400 Look & Listen™ DisplayIndicates the currentlytuned channelWhen the padlock is visible, the channel i

31LR-400 Setup InstructionsLR-400 Setup InstructionsRemove the productRemove outer packaging and plastic cover. Inspect for physical damage. If dama

32LR-400 Setup InstructionsLR-400 Setup Instructions continuedSet SQ switchThe SQ switch is inside the battery compartment next to the Battery Select

33LR-400 Setup InstructionsLR-400 Setup Instructions continuedTurn the Unit OnReceivers are turned on by rotating the volume dial counterclockwise. T

34LR-400 OperationLR-400 Operation InstructionsMake Sure the Unit is OnRotate the volume knob counterclockwise with an earphone or headset connected t

34LR-400 OperationLR-400 Operation Instructions continuedFind an audio transmission using SEEKAnother way to find a channel on the LR-400 is to use t

36SquelchThe purpose of squelch is to mute the audio output of your receiver when the signal from thetransmitter is turned off or is too weak to be re

37LR-400 SquelchSquelch ProgrammingTo enter Squelch programming mode· Turn the unit off· Press and hold the seek button; while still holding seek turn

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38LR-400 Charging BatteriesLR-400 Charging BatteriesThe LR-400 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. W

39LR-400 Charging BatteriesLR-400 Charging Batteries continuedDuring the charge cycle, the red LED on top of the Listen product will flash slowly. Wh

40LR-400 Wall TransformerLR-400 Wall Transformer OperationThe LR-400 will operate normally when connected to a wall transformer. Use Listen part numb

41User’s ManualLR-300 ReceiverDon’t miss a single sound. Listen.Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-2515 USA

42LR-300 Introduction· LR-300-072 (72MHz)· Warranty Card· Receiver User ManualLR-300 Package Contents72 MHz: LR-300-072Listen Part NumberSee pages 70

43LR-300 Table of ContentsArchitectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44LR-300 SpecificationsLR-300 SpecificationsArchitectural SpecificationsThe FM receiver shall be capable of receiving on 17 wide band channels and hav

45LR-300 SpecificationsSpecification LR-300-072LR-300 Specifications continuedIndicatorsLED Red, illuminates when unit is on. Flashes when batteries

46LR-300 Quick ReferenceQuick ReferenceLR-300 FrontLED - when lit, indicatesunit has power.ON/OFF & VOLUME CONTROL dial3.5mm Input JackA Listen ea

47LR-300 Quick ReferenceQuick ReferenceLR-300 Inside Access DoorBattery Select Switch - place in NiMH position ONLY if youare using Nickel Metal Hydri

3User’s ManualLR-500 Programmable Display ReceiverDon’t miss a single sound. Listen.Listen Technologies Corporation8535 South 700 West, Suite ASandy,

48LR-300 SetupLR-300 Setup InstructionsRemove the productRemove outer packaging and plastic cover. Inspect for physical damage. If damage is aparent

49LR-300 SetupPlace Batteries in UnitPlace two AA batteries in the compartment, making note of the battery polarity shown in thebattery compartment, a

50LR-300 OperationLR-300 Operation InstructionsMake Sure the Unit is OnRotate the volume knob counterclockwise with an earphone or headset connected

51LR-300 Operation & SquelchLR-300 Operation Instructions continuedTo Lock into Only One ChannelPress and hold the SEEK button for 5 seconds to lo

52LR-300 Charging BatteriesLR-300 Charging BatteriesThe LR-300 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. W

53LR-300 Charging BatteriesDuring the charge cycle, the red LED on top of the Listen product will flash slowly. When charg-ing is completed, the LED

LR-300 Wall Transformer54LR-300 Wall Transformer OperationThe LR-300 will operate normally when connected to a wall transformer. Use Listen part numb

Supplementary Info55Supplementary InformationChannel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Channel Selection56Channel SelectionIt is highly recommended that after channel selection has been achieved, you lock the channel sothat it cannot be

57Channel SelectionChannel Selection continuedNotes in regard to using 72MHz and 216MHz systemsi. 72MHz in a secondary frequency band. This means tha

4LR-500 Introduction· LR-500 (72MHz or 216MHz)· Warranty Card· Receiver User ManualLR-500 Package Contents72 MHz: LR-500-072216 MHz: LR-500-216Liste

58Listen SQ™We are accustomed to listening to low noise, high fidelity audio (delivered viaCD, DVD, etc.). FM radio systems, such as those made by Li

59RF Reception StrategiesFor proper and dependable operation, Listen receivers should receive a strong and consistent signalfrom the originating trans

6072MHz Compatibility Chart72MHz Compatibility ChartFrequency MHzListenPhonic EarComtek Phonak Williams* Gentner Telex Drake72.0250 1 1 1 A1 (11, 1)72

6172MHz Compatibility Chart75.5000 FFFFF, (48, 58)28J75.575.5250 23 23 23 F3 (49, 59)75.5500 (60) 2975.5750 24 24 24 F4 (50, 61)75.6000 SSSSS, (62)30K

Frequency MHzListenPhonic EarComtek Phonak Williams Gentner CSI AVRLight Speed216.0125 1A 1 1 C01 N01216.0250 2A 41 41 41 1 1216.0375 3A 2 2216.0625 1

63216MHz Compatibility Chart216MHz Compatibility Chart continued216.5125 1K 21 61216.5250 2K 51 51 29 H 10 3216.5375 3K 22 62216.5625 1L 23 28216.5750

64Receiver Troubleshooting - LR-300, LR-400, LR-500The receiver has no power.Make sure the unit has either fully charged batteries or a Listen approve

65Receiver TroubleshootingReceiver Troubleshooting continuedI cannot pick up the signal on the receiver.Check to make sure the receiver and the transm

66Receiver Troubleshooting continuedI cannot change channels when pressing the UP and DOWN buttons orthe SEEK button.The unit is locked. Press the SE

67Compliance NoticeCompliance NoticeThis device complies with part 15 of the FCC Rules. Operation is subject to the following twoconditions: (1) The

5LR-500 Table of ContentsArchitectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

68FCC StatementThis 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.

69WarrantyWarrantyListen Technologies Corporation (Listen) warrants its receivers (LR-300, LR-400, LR-500) to befree from defects in workmanship and m

70Optional AccessoriesEar SpeakerLA-164Optional AccessoriesEar SpeakerLA-161Dual Ear SpeakerLA-162Stereo HeadsetLA-165NeckloopLA-166Earphone Opti

71Optional AccessoriesOptional AccessoriesConsumerCamcorder CableLA-265Connector OptionsSacrificial CableLA-275ProfessionalCamcorder CableLA-266

72Notes

73Notes

Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-2515 USATelephone: +1.801.233.8992Toll Free (North America): 1.800.330.08

6LR-500 SpecificationsLR-500 SpecificationsArchitectural SpecificationsThe FM receiver shall be capable of receiving on 57 wide and narrow band channe

7Set Up ControlsUser ControlsProgrammingLCD DisplayLED Battery TypeBattery Life (Listen batteries)Battery Charging (NiMH only)Power Supply ConnectorCo