LR-500 Page 6
Listen Technologies Corporation All rights reserved 92007
Listen Technologies Corporation • 14912 Heritagecrest Way • Bluffdale • Utah 84065-4818 U.S.A.
+1.801.233.8992 • +1.800.330.0891
North America
• +1.801.233.8995
Fax
Indicators
LED
Red, illuminated when unit is on. Flashes when
batteries are low, or charging. Flashes when locked and
SEEK is pushed.
LCD Display
Channel Designation, lock status, signal strength
indication, programming
Power
Battery Type
Type: 2 AA batteries, Alkaline or NiMH
Battery Life (Listen Batteries)
20 hours alkaline (LA-361),
10 hours NiMH rechargeable (LA-362)
Battery Charging (NiMH only)
Fully automatic, 13 hours maximum
Power Supply (LA-208-03)
7.5VDC, center positive 300mA. Drop in contact points
for use with charging cases. Power supply not included
(LA-208-03).
Power Supply Connector
2.3 mm OD by .7 mm ID, barrel type
Power Supply Compliance
RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
Physical
Dimensions (H x W x D)
5.0 x 3.0 x 1.0 in (13.0 x 7.6 x 2.5 cm)
Color
Dark Grey with white silk screening
Unit Weight
3.9 oz. (111 g)
Unit Weight with batteries
5.8 oz.. (164 g)
Shipping Weight
1.0 lbs. (0.45 kg)
Door
Manually lockable. Up, down, and power buttons
through door. Other controls behind door
(see controls)
Environmental
Temperature - Operation
14
Ý
- 104
Ý)
(-10
ÝÝ&
Temperature - Storage
-4 - 122
Ý)
(-20
Ý
- 50
Ý&
Humidity
0 to 95% Relative Humidity, non condensing
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LR-500-863
RF
RF Frequency Range
863.050 - 864.950 MHz
Number of Channels
17 Wideband
Sensitivity
.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy
+/-.005% stability 32 to 122
Ý
F (0- 50
Ý
C)
Antenna
Integrated External Antenna
Squelch
Programmable in 20 steps, automatic on loss of RF signal
Compliance
CE, ETSI, RoHS
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Audio
System Frequency Response
50Hz - 15kHz (+/-3db)
System Signal to Noise Ratio
70db (A-Weighted)
System Distortion
<2% total harmonic distortion (THD) at 80% deviation
Output
3.5 mm connector, unbalanced, 0dBu nominal output
level, 16 mW maximum, impedance 32 Ohms
Controls
User Controls
Channel up/down, SEEK, volume
Set up Controls (battery compartment)
Alkaline/NiMH battery switch
Programming
Channel Lock Out, Channel Lock, DX/Local, squelch
