User Manual for Listen Technologies Ultimate Level III Stationary RF System Click to enlarge the picture
Contents of the user manual for the Listen Technologies Ultimate Level III Stationary
- Product category: Assistive Listening Systems 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 Assistive Listening Systems
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User manual for the Listen Technologies Ultimate Level III Stationary 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 72 MHz Ultimate Level III Stationary RF System from Listen Technologies is designed for maintaining assistive listening compliance in venues with up to 100 seats. It includes one RF Transmitter, one Universal Antenna Kit, one Universal Rack Mounting Kit, four Portable Programmable Display RF Receiver, four Ear Speakers, two Neck Loops, one 6.6' Dual-RCA to Dual-RCA Cable, eight Rechargeable AA NiMH batteries, one 4-Unit Portable RF Product Charging/Carrying case, and one Assistive Listening Notification Signage Kit. - Stationary RF Transmitter (72 MHz) Operating at 72 MHz, the Stationary RF Transmitter from Listen Technologies can be used in a variety of applications, broadcasting signal from your particular audio system to a belt-pack or stationary receiver. 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
UPC: 819267023246 - LA-122 Univeral Antenna Kit (72 and 216 MHz) The LA-122 Univeral Antenna Kit from Listen Technologies contains antennas for both 72 MHz and 216 MHz, as well as monopole and dipole antenna options. The included mounting hardware enables you to attach the antenna to walls, on electrical boxes, on a horizontal surface, and inside a wall or ceiling. The kit also contains components allowing you to configure several versions of an antenna, and 25' of coaxial cable with BNC connectors.
- Includes both 72 MHz and 216 MHz antennas
- Monopole and dipole antenna options included
- Rigid and flexible radials are included
- All hardware for mounting on a wall, on electrical boxes, on a horizontal surface (flat and inverse), inside a wall or ceiling is included
UPC: 819267020146 - LA-326 Universal Rack Mounting Kit The LA-326 Universal Rack Mounting Kit from Listen Technologies is compatible with the company's LT-800 Stationary Transmitter, LT-803 3-Channel Stationary Transmitter, LT-82 Stationary IR Transmitter, and LR-100 Stationary Receiver/Amplifier. It allows for both single and dual mounting, and includes hardware for a large variety of configurations. UPC: 819267021075
- Portable Programmable Display RF Receiver (72 MHz) The Portable Programmable Display RF Receiver from Listen Technologies is a 72 MHz receiver. It can receive up to 57 channels and has a Look & Listen LCD Display that shows programming status, channel, lock, battery level, and RF signal strength. Channel selector buttons are located on the front of the unit. It has channel SEEK capability and is compatible with mono or stereo headsets. It takes AA batteries (alkaline or NiMH rechargeable). SmartCharge capabilities prevent overcharging.
- 80 dB signal-to-noise ratio (SNR)
- Unneeded channels can be locked so this receiver will access only one or more channels of your choice
- Receiver is digitally-tuned so the transmission won't drift
- Uses standard alkaline or nickel-metal hydride (NiMH) batteries
- Built in SmartCharge won't allow batteries to overcharge
- Transformer charging plug
UPC: 819267022317 - LA-164 Ear Speaker The LA-164 Ear Speaker from Listen Technologies is designed to fit easily over your ear. It's constructed of hard plastic, making it easy to clean. The earpiece can be used at venues where it can be continuously cleaned and re-used, or with hearing aids.
- Single ear clip does not mess up hair
- The receiver's antenna is built into the headphone cord
UPC: 819267020368 - LA-166 Neck Loop The LA-166 Neck Loop from Listen Technologies is designed as a wireless connection for hearing aids equipped with a "T" coil. Simply hook the loop into the wireless receiver and slip it around your neck. The "T" coil will pick up the sound and amplify the transmitted sound into your ear.
- Use with any hearing aid equipped with a "T" coil
- Use with any Listen Technologies' receivers
- The receiver's antenna is built into the headphone cord
UPC: 819267020382 - LA-362 Rechargeable AA NiMH Batteries (Pack of 2) The pack of two LA-362 Rechargeable AA NiMH Batteries from Listen Technologies are designed to be recharged many times. They can be used with the company's charging cases, belt pack devices, and LR-600 Wireless Speaker/Receiver. The batteries provide 1.2V of power and have a 2300 mA capacity.
- Can be recharged many times
- Standard size AA batteries
UPC: 819267021228 - LA-304 Assistive Listening Notification Signage Kit The LA-304 Assistive Listening Notification Signage Kit from Listen Technologies provides venues with signage identifying the availability of assistive listening devices. It can be easily displayed in a window using the included static cling window sticker.
- Informs people that assistive listening devices are available
- Allows you to place a hard placard or static cling for the window
UPC: 819267020825 - LA-317-01 4-Unit Portable RF Product Charging/Carrying Case (Gray) The grey LA-317-01 4-Unit Portable RF Product Charging/Carrying Case from Listen Technologies is compatible with the company's LT-700, LR-200, LR-300, LR-400, and LR-500 series products. It is designed with 4 separate slots for storing and charging your RF devices, as well as individual earphone slots to prevent cable tangling. A power cable connects the case to a standard electrical outlet, and the units will automatically turn off once they are fully charged. There is a large pocket for storing the headsets and any additional accessories. Durable latches with included keys allow you to lock the case for additional security. The case can be carried using the metal handle or by using the included detachable shoulder strap.
- Sturdy case with hard foam interior and durable latches
- Stores up to 4 receivers or portable transmitters
- Small pocket stores earphones and/or other accessories
- Built-in SmartCharge technology prevents overcharging devices
- Case comes with keys and can be locked for security
- Detachable nylon carrying strap
In the Box Bundle Items Stationary RF Transmitter (72 MHz) eqqduyatrsswwbfacwszacxysduybvwxbwz - LA-207 Power Supply for LT-800
- Limited Lifetime Warranty
LA-122 Univeral Antenna Kit (72 and 216 MHz) - Wall/Electrical Box Mounting Plate
- 2 x Telescoping Antenna (72 MHz)
- 2 x Telescoping Antenna (216 MHz)
- 2 x Flexible Antenna (72 MHz)
- 2 x Flexible Antenna (216 MHz)
- 4 x Machine Screws (#8-32x3/4")
- 4 x Tapping Screws (#8-1/2")
LA-326 Universal Rack Mounting Kit - Dual Mount Center Bracket
4 x Portable Programmable Display RF Receiver (72 MHz) - Limited Lifetime Warranty
4 x LA-164 Ear Speaker eqqduyatrsswwbfacwszacxysduybvwxbwz 2 x LA-166 Neck Loop 4 x LA-362 Rechargeable AA NiMH Batteries (Pack of 2) LA-304 Assistive Listening Notification Signage Kit - Static Cling Window Sticker
LA-317-01 4-Unit Portable RF Product Charging/Carrying Case (Gray)
Also Includes - 6.6' Dual-RCA to Dual-RCA Cable
- Limited Lifetime Warranty
Table of Contents
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Technical parameters - Stationary RF Transmitter (72 MHz)
| | | 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 | | | | Box Dimensions (LxWxH) | 13.5 x 9.5 x 3.0" | - LA-122 Univeral Antenna Kit (72 and 216 MHz)
| Antenna Type | Monopole and Dipole | | Number of Channels | 72 MHz: 57 (17 wide band, 40 narrow band)
216 MHz: 57 (19 wide band, 38 narrow band) | | Frequency Range | 72 MHz: 72.025 to 75.975 MHz
216 MHz: 216.0125 to 216.9875 MHz | | Connection | BNC | | Mounting | Wall mount, single electrical box, ceiling electrical box, horizontal surface mount, ceiling/inverse mounting, flexible mounting in-wall or in-ceiling, and mast or conduit mount | | Dipole Vertical Length | 72 MHz: 80.0" / 203.2 cm
216 MHz: 27.0" / 68.6 cm | | Dimensions | Bracket: 4.5 x 7.0 x 2.5" / 11.4 x 17.8 x 6.4 cm
Grounding Base: 8.0 x 8.0 x 2.0" / 20.3 x 20.3 x 5.1 cm
Mounting Plate: 4.5 x 4.6" / 11.4 x 11.6 cm | | Weight | 4.4 lb / 2.0 kg | | | | Box Dimensions (LxWxH) | 13.5 x 9.6 x 3.0" | - LA-326 Universal Rack Mounting Kit
| Compatibility | Listen Technologies LT-800, LT-803, LT-82, LR-00 | | Dimensions | 19.0 x 1.8 x 8.0" / 48.3 x 4.4 x 20.3 cm | | Weight | 4.4 lb / 2.0 kg | | | | Box Dimensions (LxWxH) | 13.5 x 9.8 x 2.2" | - Portable Programmable Display RF Receiver (72 MHz)
| | | RF Frequency Range | 72.025 to 75.95 MHz | | Number of Channels | 17 wide band, 40 narrow band | | Sensitivity | 0.6 uV typical, 1 uV maximum for 12 dB SINAD | | Frequency Accuracy | ± .005% stability +32 to 122°F (0 to 50°C) | | Antenna Type | Uses earphone cable | | Squelch | Programmable in 20 steps, automatic on loss of RF signal | | | | Frequency Response | System: 50 Hz to 15 kHz (±3 dB) | | Signal to Noise Ratio | SQ enabled: 80dB; SQ disabled 60dB | | System Distortion | <2% total harmonic distortion (THD) at 80% deviation | | Audio Output Jack | 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, 32 Ohms | | | | User Controls | Channel up/down, SEEK, volume, SQ enable/disable | | Programming | Channel lock, squelch, channel lock out | | | | LEDs | Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed | | LCD | Channel Designation, lock status, signal strength indication, programming | | | | 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 by 0.02" ID (2.3 OD by 0.7 mm ID}, barrel type connector 7.5 VDC, center positive <250 mA, drop in contact points for use with Listen charging cases | | 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 | | | | RF | FCC Part 15, Industry Canada | | | | Color | Dark gray with white silk screening | | Doors | Manually lockable, up, down, and power buttons through door, and other controls behind door | | Dimensions | 3 x 5 x 1" (7.6 x 13 x 2.5 cm) | | Weight | Unit: 3.9 oz (111 g) Unit with Batteries: 5.8 oz (164 g) | | | | Box Dimensions (LxWxH) | 6.0 x 4.5 x 2.1" | - LA-164 Ear Speaker
| Connections | 1 x 3.5 mm Stereo | | Frequency Response | 20 Hz to 20 kHz | | Impedance | 32 Ohms ±15% @ 1 kHz | | Input Sensitivity | Headset: 115 dB ±4 dB @ 1 kHz, 1 mW | | Power Input | Rated: 50 mW
Maximum: 100 mW | | Approvals and Compliance | RoHS | | Cable Length | 36.0" / 91.4 cm | | Weight | 4.0 oz / 113.4 g | | | | Box Dimensions (LxWxH) | 2.3 x 2.3 x 1.5" | - LA-166 Neck Loop
| Compatibility | Any hearing aid with a "T" coil
All of Listen Technologies' receivers | | Frequency Response | 20 Hz to 20 kHz | | Impedance | 12 Ohms ±15% @ 1 kHz | | Power Input | Rated: 75 mW
Maximum: 2 W | | Input Sensitivity | Headset: 110 dB ±4 dB @ 1 kHz, 1 mW | | Magnetic Field Strength | 100 mA/m 6.0" / 15.2 cm above loop at 85 µW input | | Connections | 1 x 3.5 mm Stereo | | Approvals and Compliance | RoHS, IEC 60118-4 | | Cable Length | 22.0" / 55.9 cm
Loop: 33.0" / 83.8 cm | | Dimensions | 1.4 x 1.1 x 0.6" / 3.7 x 2.8 x 1.5 cm | | Weight | 1.7 oz / 46.8 g | | | | Box Dimensions (LxWxH) | 6.1 x 6.0 x 1.6" | - LA-362 Rechargeable AA NiMH Batteries (Pack of 2)
| Packaged Quantity | 2 | | Battery Size | AA | | Classification | NiMH | | Nominal Voltage | 1.2 VDC | | Battery Capacity | 2300 mA | | Operating Temperature | 0 to 131°F / -18 to 55°C | | Weight | 1.1 oz / 31.2 g | | | | Box Dimensions (LxWxH) | 2.3 x 1.8 x 0.3" | - LA-304 Assistive Listening Notification Signage Kit
| Dimensions | Hard plaque: 6.0 x 8.0" / 15.2 x 20.3 cm
Soft cling: 6.0 x 7.9" / 15.2 x 19.9 cm | | Weight | 6.0 oz / 170.1 g | | | | Box Dimensions (LxWxH) | 8.3 x 6.4 x 0.2" | - LA-317-01 4-Unit Portable RF Product Charging/Carrying Case (Gray)
| Compatibility | Listen Technologies LT-700, LR-300, LR-200, LR-400, LR-500 | | Capacity | 4 Units | | Power | Power Supply Input: 100 to 240 VAC, 50 to 60 Hz, 1200 mA
Power Supply Output: 7.5 VDC, 4 A, 30 W
Power Cord Length: 12.0' / 3.7 m with line cord
Power Supply Compliance: UL, CE, GS, TUV, RoHS | | Approvals and Compliance | Safety: RoHS | | Material | Exterior: hard case
Interior: foam
Shoulder strap: nylon | | Dimensions | 7.5 x 11.8 x 3.8" / 19.1 x 30.0 x 9.5 cm
Shoulder Strap Length: adjustable 33.0 x 53.0" / 83.8 x 134.6 cm | | Weight | 2.6 lb / 1.2 kg | | | | Box Dimensions (LxWxH) | 12.8 x 9.5 x 4.7" |
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