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U s e r M a n u a l
L R - 4 2 0 0 - 1 5 0 i D S P R e c e i v e r ( 1 5 0 M H z )
© 2015 Listen Technologies Corporation
All Rights Reserved
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For further details regarding use, adjustment, or programming of your Listen Technologies products visit
our website at www.listentech.com/support-manuals or contact us at +1.801.233.8992 or 1.800.330.0891.
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Related Manuals for Listen Technologies LR-4200
Summary of Contents for Listen Technologies LR-4200
- Page 1 L R - 4 2 0 0 - 1 5 0 i D S P R e c e i v e r ( 1 5 0 M H z ) © 2015 Listen Technologies Corporation All Rights Reserved ® For further details regarding use, adjustment, or programming of your Listen Technologies products visit our website at www.listentech.com/support-manuals or contact us at +1.801.233.8992 or 1.800.330.0891.
- Page 2 Dear Valued Customer, Thank you for choosing Listen! We are dedicated to providing you with the highest quality products available, and take pride in delivering outstanding performance to ensure you are completely satisfied. We independently certify each of our products to the highest quality standards and back them with a limited lifetime guarantee.
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Page 3: Table Of Contents
TABLE OF CONTENTS iDSP™ Receivers ………………………………………………………………………………………………………………………………………………… LR-4200 Quick Reference ……………………………………………………………………………………………………………………………… LR-4200 Specifications …………………………………………………………………………………………………………………………………… Safety Cautions ………………………………………………………………………………………………………………………………………………… Hearing Safety …………………………………………………………………………………………………………………………………………………… Medical Device Safety ……………………………………………………………………………………………………………………………… Recycling ……………………………………………………………………………………………………………………………………………………………… Product Recycling Instructions ……………………………………………………………………………………………………………… Battery Recycling Instructions ……………………………………………………………………………………………………………… Quick Setup and Operation Instructions …………………………………………………………………………………………………… 1. Unpack Unit …………………………………………………………………………………………………………………………………………... -
Page 4: Idsp™ Receivers
Receivers ™ The LR-4200 is a powerful Assistive Listening Receiver designed to be compact and simple to use. The unique design of the iDSP™ receiver family allows them to be worn as a necklace, using the belt clip or con- cealed in a pocket, making this the most inconspicuous ALS receiver on the market. -
Page 5: Lr-4200 Quick Reference
LR-4200 Quick Reference 1. OLED Display Area 3. Up/Down Volume Control 2. Micro USB 1. OLED Display Area: Displays battery status, unit ID, channel status, volume status and charge activation 2. Micro USB: USB charging, programming, firmware updates and inventory dispensing 3. -
Page 6: Lr-4200 Specifications
LR-4200 Specifications Product Specification: LR-4200-150 Audio System Frequency Response 50 Hz - 15 kHz (±3 dB) System Signal to Noise Ratio SQ enabled 80 dB, SQ disabled 60 dB System Distortion <2% total harmonic distortion (THD) at 80% deviation Output/s Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu... -
Page 7: Safety Cautions
Always make sure you are using this product in accordance with the safety guidelines established by your physician or the implantable device manufactur- Recycling : Help Listen Technologies protect the environment! Please take the time to dispose of your equipment properly. Product Recycling Instructions: Please do NOT dispose of your Listen Technologies equipment in the household trash. -
Page 8: Quick Setup And Operation Instructions
3. Charge Battery Fully charge the rechargeable Lithium Ion battery by connecting the unit to one of Listen Technologies charging options. a. LA-380 Intelligent 12-Unit Charging/Carrying Case b. LA-381 Intelligent 12-Unit Charging Tray c. -
Page 9: Connect Earphone
4. Connect Earphone Speaker Using The Earphone/Neck Loop Lan- yard Connect the Listen Intelligent ear phone/ neck loop lanyard to the two 3.5 mm output jacks on the unit. Then connect the short cable Ear Phone/ ear speaker or headphones to Neck Loop the 3.5mm output jack on the Lanyard... -
Page 10: Turn The Unit On
5. Turn the Unit On Press and hold the Power Button for 1 second to turn the receiver on, the unit display will show the unit ID, battery status and the current channel. Each item will be displayed and then the display will turn off. Power Button: OLED Display: Press and hold for... -
Page 11: Adjust Volume
7. Adjust Volume Adjust the listening volume to a comfortable listening level via the volume up/down buttons. OLED: Volume Up/Down Indicates the Use the volume up level in a % of or down to raise/ maximum level lower volume If the volume is adjusted while there is no audio present the unit will output a momentary tone each time the button is pressed allowing the user to gauge and adjust the audio level to a comfortable listening level. -
Page 12: Battery & Belt Clip
Battery & Belt Clip Low Battery Indication When the unit detects a low battery condition it will cause the status LED to flash slowly indicating that the unit needs to be charged. When the light begins to flash the unit has approximately 30 minutes of receiver use before the unit will turn off. -
Page 13: Accessing Battery Compartment
Accessing Battery Compartment To access the battery compartment simply remove the belt clip and battery door by pulling down and out on the battery door locking tab. Note: The product labeling information can be found behind the battery and includes the product model number, description, serial number, contact information and compliance statement. Door locking Battery door... -
Page 14: Advanced Program Features An Listnen's Ui Configuration Software
Listen SQ™. Only Listen *transmitters and receivers have SQ™ available, both the transmitter and receiver must have SQ™ activated to achieve the improved sound quality performance. This LR-4200 receiver has been shipped to you with the SQ™ feature enabled. SQ™ Summary:... -
Page 15: Squelch
Squelch The purpose of squelch is to mute the audio output of the receiver when the signal from the transmitter is turned off or the level is too weak to be received. Without squelch radio noise will be heard in the earphone. The squelch on the receiver can be adjusted to mute the audio at different RF signal strengths. -
Page 16: Unit Id
Unit ID The unit ID number provides a unique identification for each receiver that is displayed on the OLED status screen. This can be any 3 digit number between 000 and 999. The unit ID allows venues to track individual units and for easy dispensing and inventory control. -
Page 17: Rf Reception Maximization Strategies
RF Reception Maximization Strategies: For proper and reliable operation, Listen receivers should receive a strong and consistent signal from the originating transmitter. Follow these strategies should be used to maximize this signal: When designing and installing a system, keep in mind that the location of both the transmitter and receivers is critical to maximizing signal strength Eliminate or minimize obstructions between the transmitter and receivers Minimize the distance between the transmitter and receivers... -
Page 18: 150 Mhz Channel Frequency Chart
150 MHz Channel Frequency Chart: Channel Frequency 150.900 152.400 151.500 152.100 151.200 151.800 150.850 150.950 151.000 151.050 151.100 151.150 151.250 151.300 151.350 151.400 151.450 151.550 151.600 151.650 151.700 151.750 151.850 151.900 151.950 152.000 152.050 152.150 152.200 152.250 152.300 152.350 Channels 1- 6 are wide band frequencies and channels 7 – 32 are narrow band frequencies. Wide band channels 1- 6 are available in “Basic” chan- nel mode (default). -
Page 19: Troubleshooting Lr-4200 Receivers
Troubleshooting LR-4200 Receivers: The receiver has no power Make sure the unit has either a fully charged battery or a Listen approved wall charging transformer is connected. Make sure the Power button on the top of the unit has been pressed to turn the unit ON. -
Page 20: Compliance Notice And Fcc Statement
Listen warrants its transmitters and receivers (LT-82, LT-700, LT-800, LT-803, LR-100, LR-42, LR-44, LR-200, LR-300, LR-400, LR-500, LR-4200, and LR-5200) 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. - Page 21 Other Products and Accessories All other products and accessories carry a one year limited warranty to be free from defects in workmanship and material under normal use and conditions from date of purchase. The following cases are not covered by the above warranty: •...
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Page 22: Contacting Listen
Contacting Listen If technical service is needed, please contact Listen. Pre-authorization is required before returning Listen products. If products were damaged in shipment, please contact the carrier, then contact Listen for replacement or repair requirements payable by the carrier. Listen’s corporate headquarters are located in Bluffdale, Utah U.S.A. and are open Monday through Friday, 8am to 5pm Mountain Time.
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