Listen LT-800 Design Manual & Manual page 51

capable of seeking channels. The device shall have an adjustable squelch. The device shall have an
that allows the user to plug in either a mono or stereo headset. The device shall incorporate an LCD
display that indicates channel, battery level, low battery, battery charging, and RF signal strength.
The receiver shall be able to function in both DX and Local mode. The unit shall operate off of 2 AA
batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH
RF Frequency Range
Number of Channels
Sensitivity
Frequency Accuracy
RF
Antenna
Squelch
Compliance
System Frequency Response
System Signal to Noise Ratio
Audio System Distortion
Output
User Controls
Controls Set-up Controls (battery compartment)
Programming
LED
Indicators
LCD Display
Battery Type
Power Battery Life (Listen batteries)
Battery Charging (NiMH only)
Dimensions (H x W x D)
Color
Unit Weight
Physical
Unit Weight with batteries
Shipping Weight
Door
Temperature - Operation
Environmental Temperature - Storage
Humidity
LR-400-863
863.050 - 864.950 MHz
17 Wideband
.6 uV typical, 1 uV maximum for 12 dB sinad
± .005% stability 32 to 122º (0 to 50º C)
Integrated External Antenna
Programmable in 20 steps, automatic on loss of RF signal
CE, ETSI, RoHS
50 Hz - 15 kHz (+/-3 dB)
70 dB (A-Weighted)
<2% total harmonic distortion (THD) at 80% deviation
3.5 mm connector, unbalanced, 0dBu nominal output level, 16
mW maximum, impedance 32 Ohms
Channel up/down, SEEK, volume
Alkaline/NiMH battery switch
Channel Lock, DX/Local, squelch
Red, illuminated when unit is on. Flashes when batteries are
low, or Charging. Flashes when locked and SEEK is pushed.
Channel Designation, lock status, signal strength indication,
battery life
Type: 2 AA batteries, alkaline or NiMH
20 hours alkaline (LA-361), 10 hours NiMH rechargeable
(LA-362)
Fully Automatic, 13 hours maximum
5.0 x 3.0 x 1.0 in (13 x 7.6 x 2.5 cm)
Dark Grey with white silk screening
3.9 oz (111 g)
5.8 oz (164 g)
1.0 lbs. (0.45 kg)
Manually Lockable. Up, down, and power buttons through
door. Other controls behind door (see controls)
-10 C (14 F) to +40 C (104 F)
-20 C (-4 F) to +50 C (122 F)
0 to 95% Relative Humidity, non condensing
45