User Manual for Listen Technologies Stationary RF Receiver Power Amplifier Click to enlarge the picture
Contents of the user manual for the Listen Technologies Stationary RF Receiver Power
- 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 Stationary RF Receiver Power 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 Stationary RF Receiver/Power Amplifier from Listen Technologies is a 72 MHz stationary, auditory assistance receiver with a built-in power amplifier. This unit has Listen Technologies' Look & Listen LCD Display showing channel, lock, and battery level. A security cover protects auxiliary and receiver volume, adjustable squelch, and trim controls. It has a balanced or unbalanced speaker wire output options and multiple input options. It's powered by a 15 VAC/1000 mA power input or a 12 VDC battery. - 80 dB signal-to-noise ratio (SNR)
- Listen receivers are digitally tuned so the transmission won't drift
- Unneeded channels can be locked so the receiver will access only one or more channels of your choice
- Look & Listen LCD shows channel, battery status, signal strength, and programming information
- Uses standard alkaline or nickel-metal hydride (NiMH) batteries
- Built in SmartCharge won't allow batteries to overcharge
- Drop-in charging contacts for any of Listen's many charging cases or a charging plug on the side of the unit
- Adjustable squelch control
- Remote control capabilities
In the Box Listen Technologies Stationary RF Receiver/Power Amplifier (72 MHz) 72 MHz Stationary RF Receiver/Power Amplifier 120 VAC Power Supply LA-123 90° Helical Antenna (72 MHz) Allen Wrench Limited 5-Year Warranty Table of Contents
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Technical parametersListen Technologies LR-100-072 Specs | | | RF Frequency Range | 72.025 to 75.95 MHz | | Number of Channels | 57 (17 wideband, 40 narrowband) | | Frequency Accuracy | ± .005% stability +32 to 122°F (0 to 50°C) | | Sensitivity | 0.6 uV typical, 1 uV maximum for 12 dB SINAD | | Antenna | LA-123 90° helical antenna (72 MHz) | | Antenna Connector | BNC | | Compliance | FCC Part 15, Industry Canada | | | | Frequency Response | System: 50 Hz to 15 kHz (±3 dB) | | Signal to Noise Ratio | System, A-Weighted: 80 dB SQ enabled, 60 dB SQ disabled | | System Distortion | <2% total harmonic distortion (THD) at 80% deviation | | Auxiliary | Input to Output: 25 Hz to 20 kHz (±3 dB) frequency response, SNR 80 dB, distortion: <0.2% | | Auxiliary Input | Balanced: rear panel, 1 x female XLR 1/4" combo connector, 0 dBu nominal input level adjustable, +13 dBu maximum, impedance 600 ohm
Unbalanced: rear panel, 2 x phono connectors, -10 dBu nominal input level adjustable, +7 dBu maximum, impedance 10k ohm | | Output | Balanced Output: rear panel, 1 x male XLR, 0 dBu nominal output level, +16 dBu maximum, impedance 2 k/10 Ohms (line/mic)
Unbalanced Output: rear panel, 2 x phono connectors, -10 dBu nominal output level, +2 dBu maximum, impedance 2 k ohm | | Headphone Output | Monitor: front panel, 1 x 3.5 mm stereo connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohm | | Speaker Output | Rear panel, 1 x detachable terminal block, bridged, adjustable output level, 15/10 W (peak/RMS) continuous power with 4 ohm load | | | | Controls Front Panel | Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control | | User Controls | Volume, channel UP/DOWN, SEEK (all controls except volume are lockable) | | Rear Panel | Audio output select (RX Only, RX + AUX, RX or AUX)
Speaker (Output, Aux), switchable balanced output level | | Remote Control | 8-position detachable terminal block, channel up, channel down, mute | | Programming | Unit can be programmed so that only desired channels are displayed to the user | | | | VU Meter | 4 LED (three green, one red) | | Power | Indicated by a green LED when on (front panel) | | RF Power | Indicated on the LCD (low, mid, high) | | LCD Display | Channel designation, lock status, RF power level, programming (front panel) | | Squelch | Green LED illuminates when the unit is squelched | | Mute | Green LED illuminates when the output audio is muted | | | | Type | In-line power supply | | Input | 120 VAC, 60 Hz, 19 W | | Output | 15 VAC, 1 A | | Output Connector | 0.02" (5 mm) OD, 0.01" (2.5 mm) ID, barrel type | | Compliance | UL listed | | Battery | 12 VDC, connected via terminal block | | Battery Charging | Trickle charge of optional 12 VDC battery through terminal block connection | | | | 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 | | | | Rack Mount | One rack space height, 1/2 rack space wide, one or two receivers can be mounted in one rack space | | Dimensions | 1.75 x 8.5 x 9.13" (4.5 x 21.5 x 23 cm) | | Weight | Unit: 2.8 lb (1.3 kg)
Unit with Power Supply: 4.2 lb (1.9 kg) | | | | Package Weight | 5.0 lb | | Box Dimensions (LxWxH) | 14.2 x 10.7 x 3.1" |
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