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Summary of Contents for Listen LR-100-072
- Page 3 Should you experience any problems whatsoever with your Listen products, we are ready to help you in any way we can with prompt, effi cient customer care. Because at Listen, it’s all about you! And should you have any comments on how we might improve our products or our service, we’re here to listen.
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Page 5: Table Of Contents
Quick Reference Block Diagram Setup Instructions Installation Speaker Connection Antenna Installation Programming Squelch Adjustment Listen SQ™ Channel Selection RF Reception Maximization Strategies Resetting After an Overload Condition Coaxial Cable 72 MHz Frequency Compatibility Table 216 MHz Frequency Compatibility Table Supplementary Information... -
Page 7: Package Contents
LR-100 Package Contents LR-100 Contents Listen Part Number • LR-100-072 (72 MHz) or LR-100-072 (72 MHz) • LR-100-216 (216 MHz) LR-100-216 (216 MHz) • 120 VAC Power Supply • LA-123 90 Degree Helical Antenna (72 MHz) or • LA-124 90 Degree Helical Antenna (216 MHz) •... -
Page 8: Specifi Cations
The device will have an integrated power amplifier capable of driving an 8 ohm speaker. The device shall be rack mountable and shall have the capability of a remote antenna. The device shall incorporate an LCD display that indicates channel and RF signal strength. The Listen LR-100 is specified. Specifi cations... - Page 9 Dimensions (H x W x D) 1.75 x 8.50 x 9.13 in. (4.5 x 21.5 x 23 cm) Color Dark Grey with white silk screening Unit Weight 2.8 lbs. (1.3 kg) Unit Weight with LA-201 Physical 4.2 lbs. (1.9 kg) Power Supply Shipping Weight 5.6 lbs.
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Page 10: Lr-100 Quick Reference
OFF if any of your visible, the channel is Out and non-Locked equipment does not have locked. Press and hold Out modes. SQ capability. See “Listen SEEK for 5 seconds to SQ™” on page 15 for more unlock or lock. information. - Page 11 LR-100 Quick Reference (cont.) LR-100 Rear Panel OPTIONAL 12V POWER: Connect optional battery or +12VDC source here. The battery can be recharged; see SPEAKER CONNECTION: page 8. Connect a 4 ohm (or greater) loudspeaker here. CONTROL: Remote BALANCED OUTPUT: control of UP, DOWN Male XLR, 0 or and MUTE functions.
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Page 12: Block Diagram
Electronic Ground Switch Power On/Off External Power 115VAC Supply Mute LA-201 Down Power Supply Seek CPU Module Speaker Listen LCD Display Output Remote Headphon 3.5MM Stereo Antenna (Flexible helixal On/Off antenna provided) (internal) Output Male XLR Audio Processing Balanced Module... -
Page 13: Setup Instructions
The unit comes with a UL listed inline power supply designed for 115 VAC, 60 Hz operation. Do not use any other AC power supply. Use of any non-Listen supplied power supply will void the warranty. (Battery use is permitted; see below.) Plug the power supply into the back of the unit at the connector labeled POWER. - Page 14 LR-100 Setup Instructions (cont.) Balanced Audio Output When connecting to the XLR balanced OUTPUT, use the pin out shown below. If the output is unbalanced, either use the unbalanced phono connectors or wire the balanced XLR output as shown below with pins 3 and 1 wired together.
- Page 15 LR-100 Installation - Audio Connections OUTPUT Audio The OUTPUT audio section is composed of an OUTPUT audio selection switch, a male XLR balanced audio OUTPUT connector and two phono unbalanced audio OUTPUT connectors. OUTPUT Audio Selection Switch This switch selects what audio is routed to the OUTPUT audio connectors. The switch has three positions: RX ONLY.
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Page 16: Installation
LR-100 Setup Instructions LR-100 Speaker Connection The LR-100 contains a 44-watt (31 watt RMS), 4 ohm power amplifier. The Speaker Selection switch determines what audio is directed to the power amplifier. With the switch in the OUTPUT position, the OUTPUT audio (same audio that is on the OUTPUT audio connectors) is directed to the power amplifier. -
Page 17: Programming
Selecting SQ ON or OFF See Listen SQ™ on page 15. If the transmitter that is broadcasting to the LR-100 is SQ capable, make sure the SQ switch for the transmitter and the LR-100 is turned ON. If not, the SQ switch should be turned OFF. -
Page 18: Squelch Adjustment
To set the squelch control: Turn the transmitter OFF. Listen to the receiver audio on the speaker or headphone. Turn the audio level down in the beginning. Adjust the squelch adjustment clockwise until the squelch LED goes off (not illuminated). You will hear radio noise now. -
Page 19: Listen Sq
We are accustomed to listening to low noise, high fidelity audio (delivered SQ Summary via CD, DVD, etc.). FM radio systems, such as those made by Listen, are • Improves noise performance inherently noisy compared to most sound systems. To reduce noise of our systems, Listen now offers a noise reduction technology called ListenSQ™. -
Page 20: Channel Selection
Before turning on the transmitter, listen to the wide band channels (lettered channels at 72 MHz and channels that start with a “2” for 216 MHz). Listen to the audio through the headphone or via the speaker. Choose a channel with the least amount of interface. Unless you are interfacing with an existing narrowband transmission system, always use a wide band channel. -
Page 21: Rf Reception Maximization Strategies
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 maximize this signal: When designing and installing your system, keep in mind that the location of both the transmitting and receiving antennas is critical to maximizing signal strength. -
Page 22: Coaxial Cable
50 ohms. Although cable used for cable TV installations looks similar to this cable, it won’t work with your Listen system. If you need to run cable over a greater length than 50 feet for 216 MHz applications or greater than 100 feet for 72 MHz applications, we recommend that you use RG-8 cable rather than RG-58. -
Page 23: 72 Mhz Frequency Compatibility Table
72 MHz Compatibility Chart Frequency Phonic Listen Comtek Phonak Williams* Gentner Telex Drake 72.0250 (11, 1) 72.0500 72.0750 (12, 3) 72.1000 A, (13, 4) 72.1 72.1250 (14, 5) 72.1500 72.1750 (15, 7) 72.2000 K, (8) 72.2 72.2250 (16, 9) 72.2500 (10) 72.2750... -
Page 24: 216 Mhz Frequency Compatibility Table
216 Compatibility Chart Frequency Phonic Light Listen Comtek Phonak Williams Gentner Speed 216.0125 216.0250 216.0375 216.0625 216.0750 216.0875 216.1125 2161250 216.1375 216.1625 216.1750 216.1875 216.2125 216.2250 216.2375 216.2625 216.2750 216.2875 216.3125 216.3250 216.3375 216.3625 216.3750 216.3875 216.4125 216.4250 216.4375 216.5125 216.5250... -
Page 25: Supplementary Information
This is normal when using the +12 VDC power on the rear terminal block. If you are still having problems after checking the above items, call Listen for help. We are available from 8am to 5pm Mountain time, Monday through Friday, at 800.330.0891 or 801.233.8992, or you can e-mail us at... -
Page 26: Compliance Notice
Compliance Notice & FCC Statement Compliance Notice Listen’s LR-100 Stationary Receiver / Power Amplifier 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. -
Page 27: Warranty
Utah. In the fi rst ninety days after purchase, any defective product will be replaced with a new unit. After 90 days, Listen will, at its own discretion either repair or replace transmitters and receivers with a new unit or a unit of similar type and condition. -
Page 28: Optional Accessories
Optional Accessories Antenna Accessories Antenna Accessories LA-107 LA-125/LA-126 LA-122 Universal Antenna Kit Ground Plane Remote Antenna Kit for Rack Mount Antenna (216 MHz) (72 MHz and 216 MHz) (72 and 216 MHz) The single solution for all of your (Remote Mount, outdoor) LA-125 for 72 MHz indoor remote antenna needs. - Page 29 Notes...
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- Page 31 Notes...
- Page 32 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 www.listentech.com © 2008 Listen Technologies Corporation All Rights Reserved 081308 ®...
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