User Manual for Listen Technologies Stationary RF Transmitter Package Click to enlarge the picture
Contents of the user manual for the Listen Technologies Stationary RF Transmitter Package
- 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 Transmitter Package 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 Operating at 72 MHz, the Stationary RF Transmitter Package from Listen Technologies can be used in a variety of assisted-listening applications, broadcasting signal from your particular audio system to a belt-pack or stationary receiver. This model comes pre-packaged with an LA-106 Telescoping Top-Mounted Antenna and an LA-304 Assistive Listening Notification Signage Kit to facilitate communication between you and your audience, whoever they happen to be. With its 80 dB signal-to-noise ratio, it provides intelligible audio across 57 selectable channels, all digitally tuned so that your transmissions won't drift. Up to eight channels can be used simultaneously on the 72 MHz frequency with multiple transmitters.
The transmitter's Look & Listen LCD displays channel, lock, programming, and RF power, while balanced and unbalanced inputs allow you to connect with a variety of audio sources. The transmitter is rack-mountable and features auto-processing to make the audio clearer for audible transmission. To make the unit easier to set up and install, a VU level meter and test tone generator are included. - Audio quality of 80 dB signal-to-noise ratio (SNR)
- 100% digital: digitally-tuned so the transmission won't drift
- Up to eight simultaneous channels on 72 MHz with multiple transmitters
- Channel, lock, and programming information
- Balanced/unbalanced inputs interface with any audio source on the market
- Designed for installation: rack-mountable with optional remote antennas makes installation easy and service reliable
- Auto Processor conditions the audio for voice or music prior to transmission
- VU level meter and test tone - simply makes the installation easier to set up
In the Box Listen Technologies Stationary RF Transmitter Package (72 MHz) LA-207 Power Supply for LT-800 Line Cord LA-106 Telescoping Top Mounted Antenna (72 MHz) LA-304 Assistive Listening Notification Signage Kit Limited Lifetime Warranty Table of Contents
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Technical parametersListen Technologies LT-800-072-P1 Specs | | | Frequency Response | 50 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 | | Input | Input 1: 1 x female XLR or 1/4" combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20k / 1 kOhms (line/mic), phantom power 12 VDC - on rear panel
Input 2: 2 x phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100 kOhms - on rear panel
| | Output | Audio: input 1 and input 2, mixed output (on rear panel), 2 x phono connectors, unbalanced, -10 dBu nominal output level, +19 dBu maximum, impedance 10 ohms
Headphone: 1 x 3.5 mm stereo connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 Ohms | | Audio Processing | Compression can be turned on or off, slope internally adjustable from 1:1 to 4:1, default 2:1 | | Contour | Cuts and boosts frequencies above 5 kHz | | Controls | User Controls: Power, up/down volume
Programming: Via software and USB port | | | | Controls | User Controls:
Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control
Rear Panel: Input 1 Level, (line, mic, mic+phantom power), input 2 level (-10 / +10 dBu), RF power level (low, mid, high)
Internal Adjustments: Compression ratio for audio processor
Programming: SQ on/off, process on/off, channel lock | | Indicators | Audio Input Status LEDs: Indicate input 1, input 2, and mix audio levels; 10 segment LEDs; 8 green, 2 red
Processing: Indicated by a green LED when on (front panel)
RF Power: Indicated on the LCD (low, mid, high)
LCD: Channel designation, lock status, RF power level, programming (front panel)
Test Tone: Red LED illuminates when test tone is enabled | | | | Frequency Range | 72.0250 to 75.9500 MHz | | Number of Channels | 17 wideband, 40 narrowband | | Frequency Accuracy | +/- 0.005% stability 32 to 122ºF / 0 to 50ºC | | Transmitter | Simultaneous transmitters: 8
Transmitter Stability: 50 PPM
Transmission Range: Up to 1000' / 305 m | | Output Power | 80,000 uV at 3 m | | Antenna Type | Various antennas available
BNC connectors | | | | Power Supply | In-line power supply (part number LA-207) | | Power Supply Input | 100 to 240 V AC, 50 to 60 Hz, 0.4 A | | Power Supply Output | 12 VDC, 1.3 A, 15.6 W | | Power Supply Connector | Barrel type:
0.02" / 5.0 mm OD
0.01" / 2.5 mm ID
| | | | Color | Dark gray with white silk screening | | 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 | UL, CE, GS, TÜV, RoHS | | Dimensions | 1.75 x 8.5 x 9.13" / 4.5 x 21.5 x 23.0 cm | | Weight | With power supply: 3.5 lb / 1.6 kg
Unit weight: 2.60 lb / 1.2 kg | | | | Package Weight | 4.1 lb | | Box Dimensions (LxWxH) | 13.4 x 9.6 x 3.0" |
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