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User Manual for Listen Technologies Portable Digital RF Receiver 72 MHz Click to enlarge the picture
Contents of the user manual for the Listen Technologies Portable Digital 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 Portable Digital 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 The Portable Digital RF Receiver from Listen Technologies is a 72 MHz RF receiver with 17 common wide band channels. It features a SEEK channel selection button behind the door panel. It does not use an LCD, but instead a multi-function LED. - 80 dB signal-to-noise ratio
- Digitally-tuned so the transmission won't drift
- SmartCharge won't allow batteries to overcharge
- Belt clip loop prevents unit from slipping off belt or strap
- 3.5mm earphone jack accepts either mono or stereo headsets
- Receiver antenna is built into the earphone cord, eliminating additional wires
- Multi-function LED indicates power on, if batteries are low, if the unit is locked on a channel when SEEK is pressed, and charging status
- Manually lockable battery compartment door
UPC: 819267022171 In the Box Listen Technologies Portable Digital RF Receiver 72 MHz Limited Lifetime Warranty Table of Contents
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Technical parametersListen Technologies LR-300-072 Specs | | | Frequency Range | 72.025 to 75.975 MHz | | Number of Channels | 17 wide band | | Sensitivity | 0.6 uV typical, 1 uV maximum for 12 dB sinad | | Frequency Accuracy | ±0.005% stability 32 to 122°F (0 to 50°C) | | Antenna | Uses earphone cable | | Squelch | Yes, non-adjustable | | | | Frequency Response | 50 Hz to 15 kHz (±3 dB) | | Signal to Noise Ratio | SQ enabled 80 dB, SQ disabled 60 dB | | Distortion | <2% total harmonic distortion (THD) at 80% deviation | | Output | 1 x 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 Ohms | | | | User Controls | SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable | | Programming | Channel lock | | | | LEDs | Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed | | LCD Display | None | | | | Battery Type | 2 x AA batteries, alkaline or NiMH | | Battery Life | 30 hours alkaline, 15 hours NiMH rechargeable | | Battery Charging Time | Fully automatic, 13 hours | | Power Supply | I/P 120 VAC, O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases | | Power Supply Connector | 0.09 OD x 0.02" ID (2.3 mm OD by 0.7 mm ID), barrel type connector 7.5 VDC, center positive <250 mA, drop in contact points | | Compliance | RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant | | | | Operation 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 | | | | Color | Dark gray with white silk screening | | Dimensions | 4.25 x 2.75 x 1.5" (10.8 x 7 x 3.8 cm) | | Weight | Unit: 3.9 oz (111 g)
Unit with Batteries: 5.8 oz (164 g) | | Door Type | Manually lockable, SEEK behind door | | | | RF | FCC Part 15, Industry Canada, RoHS | | Safety | RoHS | | | | Package Weight | 0.4 lb | | Box Dimensions (LxWxH) | 6.0 x 4.5 x 2.1" |
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