User Manual for Listen Technologies Intelligent DSP RF Receiver Click to enlarge the picture
Contents of the user manual for the Listen Technologies Intelligent DSP RF 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 RF 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 This 72 MHz Intelligent DSP RF Receiver from LISTEN Technologies is an iDSP (Intelligent Digital Signal Processing) personal listening product. Thanks to its DSP SQTM noise reduction technology, users experience 20 dB less noise than similar devices without it. The green battery technology reduces costs of ownership and hassles while reducing the number of batteries in landfills. A field-replaceable lithium-ion battery is included with the unit. The integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users. This iDSP device is small and easy to wear, dispense, store and maintain. The LR-4200-072 has an OLED display to program channel names, monitor battery status, channel status, and charge activation. You may connect the iDSP neck loop/lanyard or earphones via two 3.5 mm output jacks and receivers can be shared. The micro-USB connection is used with free iDSP software for charging, set up, programming, inventory management and firmware updates. This listening device is suited for places where it's difficult to hear, such as theaters, lecture halls, concert venues, and houses of worship. - DSP SQTM noise-reduction technology delivers 20 dB less noise and hiss than devices without it
- Integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users
- Small size makes it easy to wear and for venues to dispense, store, and maintain
- Can be worn around the neck with the belt clip, or concealed in a pocket, making it a discreet listening device
- Green battery technology reduces cost of ownership and hassle while reducing the number of batteries landfills
- Use for single-channel applications
UPC: 819267022249 In the Box Listen Technologies Intelligent DSP RF Receiver (72 MHz) Field Replaceable Lithium-Ion Battery Limited 5-Year Warranty Table of Contents
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Technical parametersListen Technologies LR-4200-072 Specs | | | Frequency Response | 63 Hz to 15 kHz (+/- 3 dB) | | Signal to Noise Ratio (SNR) | SQ enabled 80 dB, SQ disabled 60 dB | | System Distortion | <2% total harmonic distortion (THD) at 80% deviation | | Output | 2 x 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, 32-Ohm impedance | | Controls | User Controls: Power, up/down volume
Programming: Via software and USB port | | Indicators | Display: Channel designation,battery level, unit number, charging status
LEDs: Flashes when batteries are low or to indicate charging, solid when fully charged | | | | Number of Channels | 17 wideband, 40 narrowband | | Sensitivity | 0.6 uV typical, 1 uV maximum for 12 dB sinad | | Frequency Accuracy | +/- 0.005% stability 32 to 122ºF / 0 to 50ºC | | Antenna Type | Phone/neck loop lanyard and short earphone cable or standard earphone cable | | Squelch | Programmable in 20 steps, automatic on loss of RF signal | | Frequency Range | 72.0250 to 75.9500 MHz | | | | Battery Type | Lithium Ion 3.7 VDC, 1200 mAh | | Battery Life | 8 hours of continuous use | | Charging Time | Fully charged in 2.5 hours | | | | Color | Black | | Environmental | Operation temperature: 14 to 104°F / -10 to 40°C
Storage temperature: -4 to 122°F / -20 to 50°C
Relative humidity: 0 to 95% relative humidity, non-condensing
| | Compliance | FCC Part 15, Part 90, Industry Canada, RoHS | | Dimensions | Unit: 3.75 x 2.00 x 0.64" / 9.6 x 5 x 1.7 cm
Unit with belt clip: 3.75 x 2.00 x 0.80" / 9.6 x 5.0 x 2.1 cm | | Weight | With batteries: 2.40 oz / 68 g
Unit weight: 1.60 oz. / 45 g | | | | Package Weight | 0.2 lb | | Box Dimensions (LxWxH) | 4.2 x 2.4 x 1.2" |
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