Listen Technologies LP-40-IR-01, LS-100-01-WH, LS-100-01-GY, LR-4200-IR Users Manual
User Manual
LR-4200-IR iDSP Receiver
© 2018 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.
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 satised.
We independently certify each of our products to the highest quality standards and
back them with a limited lifetime guarantee. We are available to answer any questions
you might have during installation or in the operation of our products. At Listen, it’s all
about you, should you have any comments or suggestions we’re here to listen.
Here’s how to reach us:
+1.801.233.8992
+1.800.330.0891 North America
+1.801.233.8995 fax support@listentech.com www.listentech.com
Thank you and enjoy your listening experience!
Best regards,
Russell Gentner and the Listen Team
• In the few instances where repairs were needed, 99% of all clients indicated that
they were happy with repair turn-around-times and 85% of the time, clients were
without their product for less than 10 days!
• Overall client satisfaction of working with Listen was rated 4.8 out of 5.
• “Please continue with your excellent attitude toward customer satisfaction.
You guys are great!”
• “I’ve never had such good service from any company. Keep up the good work!”
• “You stand behind your product wonderfully.”
PAGE 1 l LR-4200-IR IDSP RECEIVER MANUAL
TABLE OF CONTENTS
iDSP-IR Receivers ………………………………………………………………………………………………………………… 3
LR-4200 Quick Reference …………………………………………………………………………………………………… 4
LR-4200 Specications ………………………………………………………………………………………………………… 5
Safety Cautions ………………………………………………………………………………………………………………… 6
Hearing Safety …………………………………………………………………………………………………………………… 6
Medical Device Safety ………………………………………………………………………………………………… 6
Recycling ………………………………………………………………………………………………………………………… 6
Product Recycling Instructions……………………………………………………………………………………… 6
Battery Recycling Instructions ……………………………………………………………………………………… 6
Quick Setup and Operation Instructions …………………………………………………………………………… 7
1. Unpack Unit …………………………………………………………………………………………………………… 7
2. Activate Battery …………………………………………………………………………………………………… 7
3. Charge Battery ……………………………………………………………………………………………………… 7
4. Connect Ear Phone ……………………………………………………………………………………………… 8
Using the Neck loop/Lanyard ………………………………………………………………………………… 8
Using the 3.5mm Headset Extension Cable …………………………………………………………… 8
5. Turn the Unit On ……………………………………………………………………………………………………… 9
6. Channel Select Mode …………………………………………………………………………………………… 9
7. Adjust Volume ……………………………………………………………………………………………………… 10
Battery & Belt Clip …………………………………………………………………………………………………………… 11
Low Battery Indication ……………………………………………………………………………………………… 11
Belt Clip Installation/Removal …………………………………………………………………………………… 11
Accessing Battery Compartment ……………………………………………………………………………… 12
Reset to Factory Default Settings …………………………………………………………………………………… 12
Advanced Program Features an Listen Technologies’ UI Conguration Software …………… 13
Squelch …………………………………………………………………………………………………………………… 13
Channel Labels ………………………………………………………………………………………………………… 13
Auto Power Mode …………………………………………………………………………………………………… 14
Auto OFF Mode ………………………………………………………………………………………………………… 14
Unit ID ……………………………………………………………………………………………………………………… 14
Brightness Control ……………………………………………………………………………………………………… 14
Auto Seek Mode ……………………………………………………………………………………………………… 14
Jack Sense ………………………………………………………………………………………………………………… 14
Unit Information ………………………………………………………………………………………………………… 15
Reset to Factory Defaults ………………………………………………………………………………………… 15
Firmware Update ……………………………………………………………………………………………………… 15
Troubleshooting LR-4200 Receivers: ………………………………………………………………………………… 16
Compliance Notice and FCC Statement ………………………………………………………………………… 17
Warranty ………………………………………………………………………………………………………………………… 18
Contacting Listen Technologies ……………………………………………………………………………………… 19
LR-4200-IR IDSP RECEIVER MANUAL l PAGE 2
iDSP-IR 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, making this the
most inconspicuous ALS receiver on the market.
Headset
Earbuds
Hearing Aid
T-Coil
Ear Speaker
Ear Phone/
Neck Loop
Lanyard
Belt Clip
Extension
Cable
Each receiver can be purchased with Ear Phone/Neck Loop Lanyard that is designed to hold the
receiver like a necklace similar to the Blue Tooth™ transceivers used with many of the today’s hearing
aids. The Ear Phone/Neck Loop Lanyard can be used as the induction loop for those users who have
T-coil enabled hearing aids or cochlear implants, inducing the received audio directly into these T-coil
enabled devices. The Ear Phone/Neck Loop Lanyard also provides the connection to Listen’s Universal
Ear Speaker, Earphones and Headphones, incorporating a short connection cable that plugs directly
into the Ear Phone/Neck Loop Lanyard’s 3.5mm headset jack located 2/3 of the way up the lanyard.
A second 3.5mm extension cable provided with Listen’s universal earphones provides the length of
cable required to use the belt clip.
PAGE 3 l LR-4200-IR IDSP RECEIVER MANUAL
LR-4200 Quick Reference
1. OLED Display Area
2. Micro USB
3. Up/Down
Volume Control
1. OLED Display Area: Displays battery status, unit ID, channel status, volume status and charge
activation
2. Micro USB: USB charging, programming, rmware updates and inventory dispensing
3. Up/Down Volume Control: Press momentarily to adjust the volume up/down or press and hold to
ramp the volume.
Note: Press and hold both up and down buttons for 5 seconds to activate channel select, use up
and down to change the channel. Momentarily press the power button to save and exit
4. 3.5 mm Output Jacks
7. Power On/Off
8. LED
5. Belt Clip
9. Battery
Protective Pull Tab
6. Charging Contact
10. Battery Door
4. 3.5 mm Output Jacks: Connect Listen Earphone/Neck Loop Lanyard for use with T coil hearing aids
or with Universal Ear Speaker or Headphone.
5. Belt Clip: To remove, remove screw and pull belt clip from unit. To install place belt clip in place
and insert screw.
6. Charging Contact: For use with Listen charging tray options.
7. Power On/Off: Press and hold for 1 second to turn on. Press and hold for 3 seconds to turn off.
8. LED: Indicates low battery condition and charging status
9. Battery Protective Pull Tab: Remove clear plastic pull tab to activate internal battery connections.
10. Battery Door: Can be removed to access battery and product labeling information.
LR-4200-IR IDSP RECEIVER MANUAL l PAGE 4
LR-4200-IR Specications
Product Specication: LR-4200-IR
Audio System Frequency Response 63 Hz - 15 kHz (±3 dB)
System Signal to Noise Ratio >60dB
System Distortion <2% total harmonic distortion (THD) at 80% deviation
Output/s Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu
nominal output level, 16 mW maximum, impedance 32 ohm,
accepts mono or stereo phone plug
Controls User Controls Power, up/down volume
Set-up Controls Press and hold up/down volume buttons for 5 seconds to enter
channel adjust, use up/down to select channel
Programming Via software and USB port
Indicators LED Flashes when batteries are low or to indicate charging,
solid when fully charged
Display Channel designation,battery level, unit number, charging status,
volume status
RF Carrier Frequencies 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz
Number of Channels Four (4) selectable channels
Frequency Accuracy ± .005% stability 32 to 122 ºF (0 to 50 ºC)
Modulation FM Wideband, ±50 kHz deviation Max, 50 uS de-emphasis
IR Squelch Programmable in 20 steps, automatic on loss of signal
Power Save Mode Turns unit off after a specied time of no IR signal, default
is 30 minutes
Sensitivity Better than one (1) nW/cm2 @40 dB SNR
Power Battery Type Lithium Ion
Battery Life 8 Hours of typical use
Battery Charging Time Fully charged in 2.5 Hours
Power Supply Micro USB connector, 5 V, 500 mA
Physical Dimensions (H x W x D) 3.75 x 2.0 x 0.64 in. (9.6 x 5.0 x 1.7 cm)
Dimensions with Belt Clip 3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
Unit Weight 1.9 oz. (53.9 g)
Unit Weight with Battery 2.8 oz. (79.4 g)
Shipping Weight 3.5 oz. (99.2 g) with a 1 lbs. (0.45 kg) minimum
Color Flat Black
Environmental Temperature - Operation 14 to 104 ºF (-10 to 40 ºC)
Temperature - Storage (-)4 to 122 °F (-20 to 50 °C)
Relative Humidity 0 to 95% relative humidity, non-condensing
Compliance Standards FCC Part 15, ICS-03, CE, RoHS, WEEE
PAGE 5 l LR-4200-IR IDSP RECEIVER MANUAL
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