L R - 5 2 0 0 - 7 2 R E C E I V E R M A N U A L
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Audio
System Frequency Response 50 Hz - 15 kHz (±3 dB)
System Signal to Noise Ratio SQ enabled 80 dB, SQ disabled 60 dB
System Distortion
<2% total harmonic distortion (THD) at 80% deviation
Output/s
Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu
nominal output level, 16 mW maximum, impedance 32 ohm
Controls
User Controls
Power, up/down volume, Listen button for end user channel selection.
Set-up Controls
Press and hold up/down volume buttons for 5 seconds to enter
channel adjust, use up/down to select channel
Programming
Via software and USB port
Indicators
LED
Flashes when batteries are low or to indicate charging,
solid when fully charged
Display
Channel designation,battery level, unit number, charging status
RF
Frequency Range
72.025 - 75.950 MHz
Number of Channels
17 wide band, 40 narrow band
Sensitivity
.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy
± .005% stability 32 to 122 ºF (0 to 50 ºC)
Antenna Type
Uses ear phone/neck loop lanyard and short ear phone cable
or standard earphone cable
Squelch
Programmable in 20 steps, automatic on loss of RF signal
Power
Battery Type
Lithium Ion
Battery Life
8 Hours of typical use
Battery Charging Time
Fully charged in 2.5 Hours
Power Supply
Micro USB connector, 5 V, 500 mA
Physical
Dimensions (H x W x D)
3.75 x 2.0 x 0.64 in. (9.6 x 5.0 x 1.7 cm)
Dimensions with Belt Clip
3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
Unit Weight
1.6 oz (45.4 g)
Unit Weight with Batteries
2.4 oz (68.1 g)
Shipping Weight
3.2 oz (90.8 g) with 16 oz (454 g) minimum
Color
Flat Black
Environmenta Temperature - Operation
14 to 104 ºF (-10 to 40 ºC)
Temperature - Storage
(-)4 to 122 °F (-20 to 50 °C)
Relative Humidity
0 to 95% relative humidity, non-condensing
Compliance Standards
FCC Part 15, Industry Canada, RoHS
Safety Cautions!
Hearing Safety:
This product is designed to amplify audio to a high volume level which could potentially cause hear-
ing damage if used improperly. To protect your hearing make sure the volume is turned down before
putting on the ear speaker or headphones. Then adjust the volume up to the minimum setting require
to hear clearly. Do not allow children or other unauthorized individuals to have access to this product
without supervision.
Medical Device Safety:
Before using this Listen product with an implantable or other medical device, consult your physician or
manufacturer of your implantable or other medical device. Always make sure you are using this prod-
uct in accordance with the safety guidelines established by your physician or the implantable device
manufacturer.
Recycling :
Help Listen Technologies protect the environment! Please take the time to dispose of your equipment
properly.
Product Recycling Instructions:
Please do NOT dispose of your Listen Technologies equipment in the household trash.
Please take the equipment to an electronics recycling center; OR, return the product to
the factory for proper disposal.
Battery Recycling Instructions:
Please do NOT dispose of batteries in the household trash. Please take the batteries to a
retail or community collection point for recycling.
