Справочник Пользователя для Listen Technologies LR-100
www.ListenTech.com
R
LISTEN TECHNOLOGIES CORPORATION 8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA
Phone: +1.801.233.8992 U.S.A. Toll Free: 1.800.330.0891 Fax: +1.801.233.8995 www.ListenTech.com
LR-100 Stationary Receiver / Power Amplifier
Architectural Specifications ..............................................................
page 2
Specifications ....................................................................................
page 3
Front and Rear Panel Descriptions ...................................................
page 4
System Block Diagram .....................................................................
page 6
Important Things to Note Before Starting .......................................
page 7
Installation ........................................................................................
page 9
Setup ................................................................................................
Llifie
page 15
Resetting After an Overload Condition ...........................................
page 19
Troubleshooting ................................................................................
page 20
Channel Selection Guide .................................................................
page 22
FCC Statement ................................................................................
page 23
Warranty ...........................................................................................
page 24
Specifications
RF Frequency Range
72 MHz: 72.025 - 75.950 MHz
216 MHz: 216.0250 MHz - 216.975 MHz
216 MHz: 216.0250 MHz - 216.975 MHz
Number of Channels
57
Sensitivity
.6 uV typical, 1 uV maximum for 12dB SINAD
Signal to Noise Ratio*
80dB with SQ enabled, 60dB (72 MHz), 50dB (216 MHz)
with SQ disabled
with SQ disabled
Frequency Response*
50 to 15 kHz +/-3dB (10 kHz at 216 MHz)
Distortion*
<2% at 80% deviation
Auxiliary Input to Audio
Output / Speaker
Output / Speaker
25 Hz to 20 kHz +/-3dB, <.2% distortion, >80dB SNR
Balanced Output
Male XLR, 0dBu nominal
Unbalanced Output
Phono (2), -10dBu nominal
Balanced Auxiliary Input
Female XLR-1/4” combo connector, adjustable input level,
0dBu nominal
0dBu nominal
Unbalanced Auxiliary Input
Phono (2), adjustable input level, -10dBu nominal
Power Amplification
44 Watt peak (31 Watt RMS), 4 ohms
Remote Channel Select
Detachable terminal block connector. Momentary closure to
ground for UP, DOWN and MUTE functions. Mute function is
indicated on front panel
ground for UP, DOWN and MUTE functions. Mute function is
indicated on front panel
Squelch
Adjustable with front panel control; LED indicator
Programming
Front panel can be locked by holding down the SEEK button
for five seconds; receive channels can be programmed so
user can only access certain channels
for five seconds; receive channels can be programmed so
user can only access certain channels
Antenna
Standard BNC, flexible helical, included. 9 in (23 cm) for
72 MHz; 5.5 in (14 cm) for 216 MHz. Optional remote antennas
available (see antenna selection guide)
72 MHz; 5.5 in (14 cm) for 216 MHz. Optional remote antennas
available (see antenna selection guide)
Physical
8.0 in (20.3 cm) W x 8.0 in (20.3 cm) D x 1.75 in (4.45 cm) H
Power Supply
Provided (Listen part number LA-201, same as LT-800 power
supply). Input: 120 VAC, 60 Hz, 19 Watts (maximum coninuous);
Output: 18 VAC, 1000 mA. Connector: .02 in (5.0 mm) OD,
.01 in (2.5 mm) ID, barrel type
supply). Input: 120 VAC, 60 Hz, 19 Watts (maximum coninuous);
Output: 18 VAC, 1000 mA. Connector: .02 in (5.0 mm) OD,
.01 in (2.5 mm) ID, barrel type
Optional External Battery
12 VDC
*Wireless Transmission System Specifications: End-to-end.
Table of Contents
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