3M
Littmann Listen-In
™
Introduction
Congratulations and thank you for choosing 3M
mann
Listen-In and 3M
®
™
Electronic Stethoscopes for your auscultation education
needs. Listen-In, along with multiple Model 3200 ste-
thoscopes, redefines the traditional limits of auscultation
by delivering an exceptional, simultaneous sound experi-
ence for multiple clinicians.
Transmit. Teach. Listen. Learn.
Product Description
Listen-In is a ready to use kit of five Littmann 3200
electronic stethoscopes, one smart phone including
pre-installed Listen-In software allowing it to transmit
auscultation sounds.
• One stethoscope acts as the Presenting stethoscope
while the other 1-4 stethoscopes act as Listening ste-
thoscopes.
• The Presenting stethoscope acquires the acoustic
information and sends it to the smart phone via Blue-
tooth
wireless communication.
®
• The smart phone device then transmits the acoustic
information via Bluetooth
®
scopes.
Intended Use
Listen-In is intended to be used as an educational tool
only and is not intended to be used for diagnostic purpo-
ses. Individual 3200's, used separately from the packa-
ge may be used diagnostically.
Safety Information
Please refer to the safety instruction given in the res-
pective user manuals of smart phone and stethoscope
for information regarding mobile radiation, especially in
sensitive locations.
Unpacking
• Unpack the stethoscopes and insert the AA battery
supplied. Please refer to the Littmann
user manual for details.
• Unpack the smart phone and insert the battery. Please
refer to the smart phone user manual for details.
2
All manuals and user guides at all-guides.com
User Manual
®
• Please fully charge the smart phone prior to first usage.
Litt-
™
Littmann
Model 3200
Starting Listen-In
®
The package as purchased is ready to use, with five pre-
paired Littmann 3200 stethoscopes and pre-installed
Listen-In software. Just follow these simple steps below
to use Listen-In:
• Turn on the smart phone by pressing the button on
• Unlock the phone by dragging the lock symbol to the
• Start the Listen-In by pressing the Littmann icon
• Turn on the first stethoscope.
• Press the "M" button on the stethoscope to enter the
• On the smart phone touch the colour (or 4 digit number
to the Listening stetho-
• Repeat with other stethoscopes (max 5 in total).
Note: To unlock the phone (should the screen darken),
press the power button on top and drag the lock symbol
to the right. While the phone is locked, Listen-In is
still working.
Filter and Volume Control
• When stethoscopes (including Presenting stetho-
• The presenting stethoscope controls the 'filter' (i.e.
• The volume level of each stethoscope is always inde-
Model 3200
®
Screen Navigation
The Listen-In consists of three screens. The "List View",
the top.
right.
on the home screen of the smart phone.
Menu and press the "M" button again to select CON-
NECT.
which corresponds with last 4 digits of the stethoscope
serial number which can be found at the side of the
chestpiece: "eg: SN xxxxxxxxxx1234"). Shortly after
this the status below the 4 digit number will show
"Connected" and a Bluetooth logo will appear.
scope) are connected, the filter
listening stethoscope(s) is disabled.
Bell, Diaphragm and Extended Range) settings on ALL
stethoscopes so this function remains active only on
the presenting stethoscope.
pendently controlled.
1
button on the