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Listen Technologies LR-300 - page 1
User’s Manual LR-500 Programmable Display Receiver LR-400 Display Receiver LR-300 Receiver Don’t miss a single sound. Listen. Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy, Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll Free (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.com Listen ® ...
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Listen Technologies LR-300 - page 2
W elcome to Listen! i Dear V alued Customer , Thank you for choosing Listen! All of us at Listen are dedicated to providing you the highest quality products and prompt, efficient customer care. Our products are manufactured in an ISO-9000 factory that has been independently certified to the highest quality standards. W e stand ready to answer any q ...
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Listen Technologies LR-300 - page 3
T able of Contents 1 LR-500 User’ s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 LR-500 T able of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 LR-400 User’ s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Listen Technologies LR-300 - page 4
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Listen Technologies LR-300 - page 5
3 User’s Manual LR-500 Programmable Display Receiver Don’t miss a single sound. Listen. Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy, Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll Free (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.com ...
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Listen Technologies LR-300 - page 6
4 LR-500 Introduction · LR-500 (72MHz or 216MHz) · W arranty Card · Receiver User Manual LR-500 Package Contents 72 MHz: LR-500-072 216 MHz: LR-500-216 Listen Part Number See pages 70-71. Optional Accessories ...
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Listen Technologies LR-300 - page 7
5 LR-500 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Quick Reference . . . . . . . . . . . . . . . . . . ...
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Listen Technologies LR-300 - page 8
6 LR-500 Specifications LR-500 Specifications Architectural Specifications 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 programmable to electronically lock out unneeded channels. The receiver shall be capable of seek- ing channels. The device shall have an ad ...
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Listen Technologies LR-300 - page 9
7 Set Up Controls User Control s Pr ogr amming LCD Displa y LE D Batter y Ty pe Batter y L i fe ( Lis ten ba tter ies) Batte ry C harging (NiMH only) Pow er S uppl y Conne ctor C omplia nce Dime nsio ns Un it W eigh t Unit Weight with batter i es Shipping We ight Door Tem perat ure - O perati on Tem perat ure - St orage Humidity Volu me, c hanne l ...
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Listen Technologies LR-300 - page 10
8 LR-500 Quick Reference Quick Reference LR-500 Front 3.5mm Input Jack A Listen earpiece or headset connects here. LED - when lit, indicates unit has power . ON/OFF & VOLUME control dial Press and hold both buttons for 5 seconds to enter PROGRAM mode. The PGM icon will appear in the display . T o exit PROGRAM, let unit sit idle for 5 seconds. L ...
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Listen Technologies LR-300 - page 11
9 LR-500 Quick Reference Quick Reference LR-500 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed. Y ou should turn SQ off if any ...
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Listen Technologies LR-300 - page 12
10 LR-500 Quick Reference Quick Reference LR-500 Look & Listen™ Display Dots indicate the relative RF signal strength. Indicates the currently tuned channel Indicates the unit is in PROGRAM mode. T o enter PROGRAM mode, press and hold the UP and DOWN keys until the PGM icon appears in the display . T o exit PROGRAM mode let unit sit idle for ...
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Listen Technologies LR-300 - page 13
11 LR-500 Setup Instructions LR-500 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical sup- port for assistance. See page 69 for contact information. Open the front access door If locked, use a pocketknife or sm ...
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Listen Technologies LR-300 - page 14
12 LR-500 Setup Instructions LR-500 Setup Instructions continued Set SQ switch The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is shipped with SQ in the ON position. T o turn it off, use a small screwdriver or pen to slide the switch to the OFF position (to the right). See page 58 for more information on ...
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Listen Technologies LR-300 - page 15
13 LR-500 Setup Instructions LR-500 Setup Instructions continued Connect an Earphone or Headset Y our 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. T urn the Unit On Receivers are turned on by rotati ...
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Listen Technologies LR-300 - page 16
14 LR-500 Operation LR-500 Operation Instructions 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 vol- ume in ...
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Listen Technologies LR-300 - page 17
15 LR-500 Operation LR-500 Operation Instructions continued Find an audio transmission using SEEK Another way to find a channel on the LR-500 is to use the SEEK button. When you do this, the Listen receiver looks for the next active channel. Sometimes the unit will mistake interference for a real broadcast signal. If you get interference, press the ...
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Listen Technologies LR-300 - page 18
16 LR-500 Programming LR-500 Programming Instructions The LR-500 Display Receiver has some special features not available in the other receivers: you may lock out unwanted channels, and you can adjust the squelch in the unit. Locking Out Unwanted Channels For applications where users are required to select a channel (such as language interpretation ...
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Listen Technologies LR-300 - page 19
17 LR-500 Squelch LR-500 Squelch Squelch The purpose of squelch is to mute the audio output of your receiver when the signal from the trans- mitter is turned off or is too weak to be received. W ithout 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 dif- ferent RF s ...
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Listen Technologies LR-300 - page 20
18 LR-500 Squelch Squelch Programming T o enter Squelch programming mode · T urn the unit off · Press and hold the seek button; while still holding seek turn the ON/OFF dial to turn the unit on. · Release the seek button when the Listen name disappears and a two digit display is seen. T o adjust the Squelch level · Use the Channel UP and DO WN ...
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Listen Technologies LR-300 - page 21
LR-500 Charging Batteries 19 LR-500 Charging Batteries The LR-500 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged. T o charge the batteries using the LA-202 wall transform ...
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Listen Technologies LR-300 - page 22
LR-500 Charging Batteries 20 LR-500 Charging Batteries continued During the charge cycle, the red LED on top of the Listen product will flash slowly . When charging is completed, the LED will turn off. It is not necessary to unplug the charger; howev- er , if you unplug the unit from the charger and then plug it back in, it will begin the 13-hour c ...
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Listen Technologies LR-300 - page 23
21 LR-500 W all Transformer LR-500 W all T ransfor mer 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. Y ...
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Listen Technologies LR-300 - page 24
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Listen Technologies LR-300 - page 25
23 User’s Manual LR-400 Display Receiver Don’t miss a single sound. Listen. Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy, Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll Free (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.com ...
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Listen Technologies LR-300 - page 26
24 LR-400 W elcome to Listen! · LR-400 (72MHz or 216MHz) · W arranty Card · Receiver User Manual LR-400 Package Contents 72 MHz: LR-400-072 216 MHz: LR-400-216 Listen Part Number See pages 70-71. Optional Accessories ...
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Listen Technologies LR-300 - page 27
25 LR-400 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Quick Reference . . . . . . . . . . . . . . . . . . . ...
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Listen Technologies LR-300 - page 28
26 LR-400 Specifications LR-400 Specifications Architectural Specifications 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 63Hz to 15K ...
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Listen Technologies LR-300 - page 29
27 LR-400 Specifications Set Up Controls User Control s Pr ogr amming LCD Displa y LE D Batter y Ty pe Batter y L i fe ( Lis ten ba tter ies) Batte ry C harging (NiMH only) Pow er S uppl y Conne ctor C omplia nce Dime nsio ns Un it W eigh t Unit Weight with batter i es Shipping We ight Door Tem perat ure - O perati on Tem perat ure - St orage Humid ...
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Listen Technologies LR-300 - page 30
28 LR-400 Quick Reference Quick Reference LR-400 Front LED - when lit, indicates unit has power . 3.5mm Input Jack A Listen earpiece or headset connects here. ON/OFF & VOLUME control dial Look & Listen™ Display shows receive level, channel, battery status, and whether a channel is locked. See close-up on page 30. LR-400 T op of Unit 3.5mm ...
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Listen Technologies LR-300 - page 31
29 LR-400 Quick Reference Quick Reference LR-400 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed. Y ou should turn SQ off if any ...
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Listen Technologies LR-300 - page 32
30 LR-400 Quick Reference Quick Reference LR-400 Look & Listen™ Display Indicates the currently tuned channel When the padlock is visible, the channel is locked. Press and hold SEEK for 5 seconds to unlock or lock. Dots indicate the relative RF signal strength. When there is a full signal the unit will display all 8 dots. Battery level indica ...
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Listen Technologies LR-300 - page 33
31 LR-400 Setup Instructions LR-400 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical support for assistance. See page 69 for contact information. Open the front access door If locked, use a pocketknife or smal ...
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Listen Technologies LR-300 - page 34
32 LR-400 Setup Instructions LR-400 Setup Instructions continued Set SQ switch The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is shipped with SQ in the ON position. T o turn it off, use a small screwdriver or pen to slide the switch to the OFF position (to the right). See page 58 for more information on ...
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Listen Technologies LR-300 - page 35
33 LR-400 Setup Instructions LR-400 Setup Instructions continued T urn the Unit On Receivers are turned on by rotating the volume dial counterclockwise. The red LED on top of the unit should activate and the LCD display should illuminate. If they do not, make sure you have installed the batteries correctly and that you are using fully charged batte ...
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Listen Technologies LR-300 - page 36
34 LR-400 Operation LR-400 Operation Instructions 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 vol- ume in ...
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Listen Technologies LR-300 - page 37
34 LR-400 Operation LR-400 Operation Instructions continued Find an audio transmission using SEEK Another way to find a channel on the LR-400 is to use the SEEK button. When you do this, the Listen receiver looks for the next active channel. Sometimes the unit will mistake interference for a real broadcast signal. If you get interference, press the ...
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Listen Technologies LR-300 - page 38
36 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. W ithout 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 strengths. This is useful as ...
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Listen Technologies LR-300 - page 39
37 LR-400 Squelch Squelch Programming T o enter Squelch programming mode · T urn the unit off · Press and hold the seek button; while still holding seek turn the ON/OFF dial to turn the unit on. · Release the seek button when the Listen name disappears and a two digit display is seen. T o adjust the Squelch level · Use the Channel UP and DO WN ...
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Listen Technologies LR-300 - page 40
38 LR-400 Charging Batteries LR-400 Charging Batteries The LR-400 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged. T o charge the batteries using the LA-202 wall transform ...
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Listen Technologies LR-300 - page 41
39 LR-400 Charging Batteries LR-400 Charging Batteries continued During the charge cycle, the red LED on top of the Listen product will flash slowly . When charg- ing is completed, the LED will turn off. It is not necessary to unplug the charger; however , if you unplug the unit from the charger and then plug it back in, it will begin the 13-hour c ...
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Listen Technologies LR-300 - page 42
40 LR-400 W all Transformer LR-400 W all T ransfor mer 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. Y ...
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Listen Technologies LR-300 - page 43
41 User’s Manual LR-300 Receiver Don’t miss a single sound. Listen. Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy, Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll Free (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.com ...
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Listen Technologies LR-300 - page 44
42 LR-300 Introduction · LR-300-072 (72MHz) · W arranty Card · Receiver User Manual LR-300 Package Contents 72 MHz: LR-300-072 Listen Part Number See pages 70-71. Optional Accessories ...
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Listen Technologies LR-300 - page 45
43 LR-300 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Quick Reference . . . . . . . . . . . . . . . . . . . ...
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Listen Technologies LR-300 - page 46
44 LR-300 Specifications LR-300 Specifications Architectural Specifications 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 frequen- cy response of 63Hz to 15KHz, ± 3dB at 72M ...
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Listen Technologies LR-300 - page 47
45 LR-300 Specifications Specif icati o n LR-300-072 LR-300 Specifications continued Indi cat or s LED Re d, illum inat es wh e n un it is on . Fla sh e s w he n b at te ries are low. F las he s whe n c har ging . Fla sh e s w he n loc ked and us e r attem pts to s eek to a no th er cha nn el . Batter y T y pe T wo A A ba tteri es, a lk a l in e o ...
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Listen Technologies LR-300 - page 48
46 LR-300 Quick Reference Quick Reference LR-300 Front LED - when lit, indicates unit has power . ON/OFF & VOLUME CONTROL dial 3.5mm Input Jack A Listen earpiece or headset connects here. ...
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Listen Technologies LR-300 - page 49
47 LR-300 Quick Reference Quick Reference LR-300 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed. Y ou should turn SQ off if any ...
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Listen Technologies LR-300 - page 50
48 LR-300 Setup LR-300 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical sup- port for assistance. See page 69 for contact information. Open the front access door If locked, use a pocketknife or small screwdriv ...
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Listen Technologies LR-300 - page 51
49 LR-300 Setup Place Batteries in Unit Place two AA batteries in the compartment, making note of the battery polarity shown in the battery compartment, and again verifying that the BA TTERY SELECT switch is in the correct position for the batteries you are using. (ALK should be selected for all battery types other than NiMH). NOTE: Listen uses 180 ...
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Listen Technologies LR-300 - page 52
50 LR-300 Operation LR-300 Operation Instructions 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 ...
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Listen Technologies LR-300 - page 53
51 LR-300 Operation & Squelch LR-300 Operation Instructions continued T o 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 ...
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Listen Technologies LR-300 - page 54
52 LR-300 Charging Batteries LR-300 Charging Batteries The LR-300 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged. T o charge the batteries using the LA-202 wall transform ...
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Listen Technologies LR-300 - page 55
53 LR-300 Charging Batteries During the charge cycle, the red LED on top of the Listen product will flash slowly . When charg- ing is completed, the LED will turn off. It is not necessary to unplug the charger; however , if you unplug the unit from the charger and then plug it back in, it will begin the 13-hour charge cycle over again. When not usi ...
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Listen Technologies LR-300 - page 56
LR-300 W all Transformer 54 LR-300 W all T ransfor mer 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. Y ...
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Listen Technologies LR-300 - page 57
Supplementary Info 55 Supplementary Information Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Listen SQ™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 RF Reception Maximization Str ...
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Listen Technologies LR-300 - page 58
Channel Selection 56 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 . T o 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 inter- ference to ach ...
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Listen Technologies LR-300 - page 59
57 Channel Selection Channel Selection continued Notes in regard to using 72MHz and 216MHz systems i. 72MHz in a secondary frequency band. This means that other transmitters are licensed to use these frequencies. Thus, you may experience interference from paging transmitters and other type transmissions. Y ou will need to find a clear channel by li ...
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Listen Technologies LR-300 - page 60
58 Listen SQ™ W e 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. T o reduce noise of our sys- tems, Listen now offers a noise reduction technology called ListenSQ™. Both the transmitter and recei ...
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Listen Technologies LR-300 - page 61
59 RF Reception 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 maximize this signal: a. When designing and installing your system, keep in mind that the location of both the transmitter and receivers is critical ...
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Listen Technologies LR-300 - page 62
60 72MHz Compatibility Chart 72MHz Compatibility Chart Fr eque ncy MHz Listen Phonic Ear Comtek Phonak Williams* Gentner Telex Drak e 72.0250 1 1 1 A1 ( 11, 1) 72.0500 ( 2) 1 72.0750 2 2 2 A2 ( 12, 3) 72.1000 AAAA A , ( 1 3 , 4 ) 2 A 7 2 . 1 72.1250 3 3 3 A3 ( 14, 5) 72.1500 ( 6) 3 72.1750 4 4 4 A4 ( 15, 7) 72.2000 KKKK K , ( 8 ) 4B 7 2 . 2 72.2250 ...
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Listen Technologies LR-300 - page 63
61 72MHz Compatibility Chart 75.5000 FFFF F , ( 4 8 , 5 8 ) 2 8 J 7 5 . 5 75.5250 23 23 23 F3 ( 49, 59) 75.5500 ( 60) 29 75.5750 24 24 24 F4 ( 50, 61) 75.6000 SSSS S , ( 6 2 ) 3 0 K 7 5 . 6 75.6250 25 25 25 S5 ( 51, 63) 75.6500 ( 64) 31 75.6750 26 26 26 S6 ( 52, 65) 75.7000 GGGG G , ( 5 3 , 6 6 ) 3 2 L 7 5 . 7 75.7250 27 27 27 G7 ( 54, 67) 75.7500 ...
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Listen Technologies LR-300 - page 64
Fr eque ncy MHz Listen Phonic Ear Comtek Phonak Williams Gentner CSI AVR Light S peed 216.0125 1A 1 1 C01 N01 216.0250 2A 41 41 41 1 1 216.0375 3A 2 2 216.0625 1B 3 21 216.0750 2B 42 42 42 2 10 216.0875 3B 4 4 216.1125 1C 5 5 C05 216.1250 2C 43 43 43 A 3 6 216.1375 3C 6 22 216.1625 1D 7 23 216.1750 2D 44 44 44 B 4 14 216.1875 3D 8 8 216.2125 1E 9 9 ...
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Listen Technologies LR-300 - page 65
63 216MHz Compatibility Chart 216MHz Compatibility Chart continued 216.5125 1K 21 61 216.5250 2K 51 51 29 H 10 3 216.5375 3K 22 62 216.5625 1L 23 28 216.5750 2L 52 52 52 I 11 12 216.5875 3L 24 64 C24 N 64 216.6125 1M 25 65 C25 216.6250 2M 53 53 53 J 12 8 216.6375 3M 26 81 216.6625 1N 27 82 216.6750 2N 54 54 54 K 13 16 216.6875 3N 28 68 216.7125 1P ...
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Listen Technologies LR-300 - page 66
64 Receiver T roubleshooting - LR-300, LR-400, LR-500 The receiver has no power. Make sure the unit has either fully charged batteries or a Listen approved wall transformer con- nected. 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 batteries are installed proper ...
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Listen Technologies LR-300 - page 67
65 Receiver T roubleshooting Receiver T roubleshooting continued I cannot pick up the signal on the receiver. Check to make sure the receiver and the transmitter are on the same frequency and channel. Also make sure the receiver is in broadcast range of the transmitter . I can pick up the signal on the receiver, but it sounds like it’s not tuned ...
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Listen Technologies LR-300 - page 68
66 Receiver T roubleshooting continued 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). Y ou can change these ...
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Listen Technologies LR-300 - page 69
67 Compliance Notice Compliance Notice This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) These devices may not cause harmful interference, and (2) these devices must accept any interference received, including interference that may cause undesirable operation. ...
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Listen Technologies LR-300 - page 70
68 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 equipment generates, uses and can radiate radio frequency energy and if no ...
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Listen Technologies LR-300 - page 71
69 W arranty W arranty Listen T echnologies Corporation (Listen) warrants its receivers (LR-300, LR-400, LR-500) to be free from defects in workmanship and material under normal use and conditions for the useful lifetime of the product from date of purchase. All other products and accessories are warranted for ninety days from date of purchase. Thi ...
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Listen Technologies LR-300 - page 72
70 Optional Accessories Ear Speaker LA-164 Optional Accessories Ear Speaker LA-161 Dual Ear Speaker LA-162 Stereo Headset LA-165 Neckloop LA-166 Earphone Options ...
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Listen Technologies LR-300 - page 73
71 Optional Accessories Optional Accessories Consumer Camcord er Cable LA-265 Connector Options Sacrificia l Cabl e LA-275 Professio nal Camcord er Cable LA-266 ...
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Listen Technologies LR-300 - page 74
72 Notes ...
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Listen Technologies LR-300 - page 75
73 Notes ...
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Listen Technologies LR-300 - page 76
Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy, Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll Free (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.com ...
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