Listen Technologies LR-400 - Manual

LR-400 Page 1
Listen Technologies Corporation All rights reserved 91707
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
LR-400 Portable Display FM
Receiver
•Superior Audio Quality – 80 dB (70 dB with 863 MHz)
signal-to-noise ratio, setting the industry’s sound quality
standard.
•A choice between 57 channels (17 channels with 863 MHz),
complete antenna and accessory options make Listen products
ideal for a wide range of applications.
•100 % Digital – Listen receivers are digitally-tuned so transmission
won’t drift; assurance that when you select a channel, it stays
on the channel.
•Uses standard alkaline or NiMH batteries.
•Built in SmartCharge™ won’t allow batteries to overcharge.
Charging circuitry is conveniently built into Listen’s receivers;
never worry about unplugging a transformer at a certain time.
•Transformer charging plug or for the ultimate in convenience
drop in charging contacts.
•Limited Lifetime Warranty with hassle-free support.
LR-400-072/216
The FM receiver shall be capable of receiving on 57 wide and
narrow band channels. The receiver shall have a SNR of 80 dB or
greater. The receiver shall be capable of seeking channels. The
device shall have a squelch. The device shall have an audio
frequency response of 50 Hz to 15 KHz, ± 3 dB at 72 MHz and
50 - 10 kHz (±3dB) at 216 MHz. The device shall incorporate a
stereo headset jack that allows the user to plug in either a mono
or stereo headset and listen to audio normally. The device shall
incorporate an LCD display that indicates channel, battery level,
low battery, battery charging, RF signal strength and channel lock
status. The unit shall operate off of 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-400-072 or
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LR-400-863
The FM receiver shall be capable of receiving on 17 wide band
channels with a SNR of 70dB or greater. The device shall be able
to be locked on a single channel. The receiver shall be capable
of seeking channels. The device shall have an adjustable squelch.
The device shall have an audio frequency response of 50 Hz to 15
KHz, ±3 dB. The device will incorporate a stereo headset jack 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 batteries. The device shall have a switchable option for
the use of (2) alkaline or (2) NiMH batteries.The Listen LR-400-863 is
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Requires a type of ear piece and (2) AA batteries.
LA-161 Single Ear Bud
LA-162 Stereo Ear Bud
LA-164 Ear Speaker
LA-165 Stereo Headphones
LA-166 Neck Loop
LA-170 Behind-the-Head Stereo Headphones
LA-361 High Capacity AA Alkaline Batteries (2)
LA-362 Rechargeable AA NiMH Batteries (2)
LR-400-072
LR-400-216
LR-400-863
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Requires
LR-400 Portable Display FM Receiver
Owner’s manual (72 MHz & 216 MHz)
Quick Reference Card (863 MHz)
Limited Lifetime Warranty Program Card (863 MHz)
FM System Design Guide and Manual Card (863 MHz)
Includes
LT-800 Stationary FM Transmitter
LT-700 Portable FM Display Transmitter
Used With
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The LR-400 Portable Display FM Receiver is a lower cost digital
display receiver. It has exceptional audio quality as Listen’s
full-featured receivers and the same convenient recharging
options. The LR-400 can receive up to 17 wide band channels
along with 40 narrow bands (72 MHz), 19 wide band with 38
narrow band (216 MHz) and 17 wide band (863 MHz) channels.
The LR-400 has a digital display to monitor channel selection,
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if it blinks while pushing SEEK.
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