User Manual for Listen Technologies Intelligent DSP IR Receiver Click to enlarge the picture
Contents of the user manual for the Listen Technologies Intelligent DSP IR Receiver
- Product category: Components & Accessories Listen Technologies
- Brand: Listen Technologies
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Listen Technologies Components & Accessories
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User manual for the Listen Technologies Intelligent DSP IR Receiver contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Listen Technologies product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Listen Technologies user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Listen Technologies product will considerably shorten its lifespan!
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Product description The Intelligent DSP IR Receiver from Listen Technologies is an iDSP IR receiver with high-sensitivity. The integrated neck loop/lanyard with DSP loop driver, improves the listening experience for T-coil users. A field-replaceable, lithium-ion battery is included with the unit.
The receiver has an OLED display which shows unique channel names, battery status, channel status, volume status, and charge activation. Connect the iDSP neck loop/lanyard or ear phones via two 3.5mm output jacks (receivers can be shared). The micro-USB connection is used with the free iDSP software suite for set up, programming, inventory management, firmware updates, and charging via any standard USB port. - High-sensitivity receiver
- Integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users
- OLED display which shows unique channel names, battery status, channel status, volume status, and charge activation
- Can be worn around the neck, with the belt clip, or concealed in a pocket
- Use for single channel applications
UPC: 819267022287 In the Box Listen Technologies Intelligent DSP IR Receiver Field-Replaceable Lithium-Ion Battery Limited Lifetime Warranty Table of Contents
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Technical parametersListen Technologies LR-4200-IR Specs | | | Frequency Response | 63 Hz to 15 kHz (±3 dB) | | Signal to Noise Ratio | Mono: >60 dB
Stereo: >52 dB | | Distortion | <2% total harmonic distortion (THD) at 80% deviation | | Audio Output Jacks | 2 x 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 Ohms, accepts mono or stereo phone plug | | | | User Controls | Power on/off and volume up/down | | Set-Up | 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 | | | | LED | Flashes when batteries are low or to indicate charging, solid when fully charged | | Display | OLED; channel designation, battery level, unit number, charging status, volume status | | | | Carrier Frequency | 2.3 MHz, 2.8 MHz, 3.3 MHz, and 3.8 MHz | | Number of Channels | 4 x selectable channel | | Frequency Accuracy | ± .005% stability 32 to 122°F (0 to 50°C) | | Modulation | FM Wideband, ±50 kHz deviation max, 50 uS de-emphasis | | | | Sensitivity | IR: better than 1 nW/cm2 @40 dB SNR | | Squelch | IR: programmable in 20 steps, automatic on loss of IR signal | | Power Save Mode | IR: turns unit off after a specified time of no IR signal, default is 30 minutes | | | | 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 | | | | Operating Temperature | 14 to 104°F (-10 to 40°C) | | Storage Temperature | -4 to 122°F (-20 to 50°C) | | Humidity (Non-condensing) | 0 to 95% relative humidity | | | | Standards | FCC Part 15, ICS-03, CE, RoHS, WEEE | | | | Color | Flat black | | Dimensions | Unit: 3.75 x 2 x 0.64" (9.6 x 5 x 1.7 cm)
Unit with Belt Clip: 3.75 x 2 x 0.80" (9.6 x 5 x 2.1 cm) | | Weight | Unit: 1.9 oz (53.9 g) Unit with Batteries: 2.8 oz (79.4 g) | | | | Package Weight | 0.2 lb | | Box Dimensions (LxWxH) | 4.3 x 2.4 x 1.1" |
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