Listen Technologies Satellite Radio - Manual (Page 42)

36
LT-800
LR-200-072
LR-200-072 Specifications
Architectural Specification
The FM receiver shall be capable of receiving on three wide band channels. The receiver shall have a
SNR of 62 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ± 3 dB
at 72 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a
mono or stereo earphone(s). The unit shall operate with (2) AA batteries. The receiver shall incorporate
automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a
switchable option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-200-072 is specified.
Specifications LR-200-072
RF
RF Channel Range (A) 72.100, (E) 72.900, (H) 75.900
Number of Channels 3 wide band
Sensitivity .6 uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy +/-.005% stability 32˚ to 122˚F (0˚ - 50˚C)
Antenna Uses earphone cable
Squelch None
Compliance FCC Part 15, Industry Canada, RoHS
** All system specifications are wireless end-to-end
Audio
System Frequency Response 50Hz - 15kHz (+/-3dB)
System Signal to Noise Ratio 62 dB
System Distortion <2% total harmonic distortion (THD) at 80% deviation
Output
3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum,
impedance 32 Ohms
Controls
User Controls ON/OFF, volume
Set up Controls
(battery compartment)
Alkaline/NiMH batteries, channel switch
Programming None
Indicators
LED Red, illuminated when unit is on or to indicate charging, flashes when batteries are low.
LCD Display None
Power
Battery Type Two (2) AA batteries, alkaline or NiMH
Battery Life (Listen Batteries) 120 hours alkaline (LA-361), 75 hours NiMH rechargeable (LA-362)
Battery Charging (NiMH only) Fully automatic, 10-12 hours under normal use.
Power Supply
I/P 120VAC; O/P 7.5VDC 250 mA; drop in contact points for use with charging cases.
Power supply not included (LA-202)
Power Supply Connector
2.3 mm 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.
Power Supply Compliance RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
Physical
Dimensions H x W x D 4.25 x 2.75 x 1.50 in. (10.8 x 7.0 x 3.8 cm)
Color Dark Grey with white silk screening and dark lens
Unit Weight 3.1 oz. (88 g)
Unit Weight with batteries 5.2 oz. (147 g)
Shipping Weight 5.8 oz. (164 g)
Door Manually lockable. SEEK behind the door.
Environmental
Temperature - Operation 14˚ to 104˚F - (-10˚ to 40˚C)
Temperature - Storage -4˚ to 122˚F - (-20˚ to 50˚C)
Humidity 0 to 95% relative humidity, non-condensing
** Specifications are subject to change without notification