Listen Technologies LT-700-216 User Manual

Fast, no-fuss
removal and
replacement of
batteries, if

required

Switch to select
alkaline or
rechargeable
NiMH batteries

Look & Listen

™

Display –
at-a-glance
verification of
channel selection,
channel lock, and
battery level

Connect a
microphone
and/or line
input here

Listen’s exclusive SmartCharge

™

technology makes recharging
assistive listening products easier than ever! Listen offers four
charging options to conveniently recharge advanced Nickel
Metal Hydride batteries within its products.

Multifunction LED
indicates when the
microphone is
muted, low battery
and charging status

Antenna is built into microphone cord for maximum transmission
effectiveness, eliminating additional dangling wires

Mute switch for private
conversations – when muted, LED
will indicate mute with fast flash

Awesome!

LT-700 Portable Transmitter

Denotes 72
or 216MHz unit

Tune to one of 57
different channels;
tuned channel will
lock in after 20
seconds to prevent
accidental switching

Power ON/OFF

! Automatic drop-in charging
! A secure place for each earphone to prevent cable tangling
! Simple and easy storage, handling and charging of your Listen system

Option 1:
Listen’s 16-Slot Charging/Carrying Case
with power supply (LA-311) includes:

RF Frequency Range:

72MHz: 72.05 - 75.95MHz
216MHz: 216.025 - 216.975 MHz

Transmitter Stability:

50 PPM

Output Power:

72MHz: 8000uV at 3 meters
216MHz: 100mW
(Max allowed by FCC)

Signal to Noise ratio:

72MHz: Wide band channels, 60dB; Narrow, 54dB
216MHz: Wide band channels, 50dB; Narrow, 44dB

Antenna:

Uses microphone cable

Available Channels:

72MHz: 17 wide band, 40 narrow band
216MHz: 19 wide band. 38 narrow band

Physical Dimensions:

3”W x 1”D x 5”H
(7.6cm W x 2.5cm D x 13cm H)

Weight:

< 1 lb. (0.45 kg) with batteries

Door:

Channel and ON/OFF buttons are
accessible through the door, lockable

Power:

Two AA batteries, alkaline or NiMH
rechargeable; external power connector

7.5 VDC, center positive, <300mA

Battery Charging:

Fully automatic, < 14 hours

Phantom Power:

Included for microphone

Battery Life:

16 hours with high capacity alkaline
8 hours with rechargeable NiMH

Microphone Input:

-55dBm, 50 ohms, unbalanced, tip of

3.5MM connector

Line Input:

-10dBm, 10k ohms, unbalanced, ring
of 3.5MM connector

Audio Processing:

40dB automatic 3-speed dynamic
control with noise gate

Lavalier Mic (LA-261)

Over-The-Ear Mic

(LA-268)

Behind-The-Head Mic

(LA-267)

Line Level Input Cable

(LA-263)

Headset Mic (LA-262)

LT-700 Mic

Options

Listen Advantage:

Listen Technologies stands alone

by offering the highest quality

products backed by the best

warranty, ser vice and support;

including the best ALS sound

quality available, a 90-day

performance guarantee and a

limited lifetime warranty!

Quality

Quality

Listen’s FM Portable Transmitter

Receiver & Portable Transmitter Charging Options

LT-700 Specifications

Option 2:
4-Slot Charging Tray with Power Supply (LA-301)

! Automatic drop-in charging
! Add an expansion charging tray (LA-308) to charge up to eight portable products

Option 3:
Power/Charging Transformer (LA-202)

! An ideal, economical solution for charging a small number of units
! One transformer charges one unit

Option 4:
12VDC Automobile Power/Charging Transformer (LA-305)

! Plugs into the product and into a motor vehicle’s 12V connector
! One transformer charges one unit

To Contact Listen: Telephone: [phone] Toll Free: 1.800.330.0891 Fax: [phone] Email: [e-mail] Internet: www.listentech.com 6/2000

Specifications are subject to change without notice.

LT-700 Portable Transmitter

Exclusive belt clip
"loop" prevents unit
from slipping off

Mechanical lock
prevents users
from accessing
batteries

Side View

Transformer
Charging Option
plugs in here

Available in
72 or 216MHz

TM