Automatic
The Model 4000 automatically
Power Off
turns off three minutes after the last
actuation of any button. Press the
ON/OFF button within 10 seconds of
automatic power off and the same
settings will be restored. If longer
than 10 seconds have transpired, the
Model 4000 will power up at your
personalized setting or factory setting.
Note, the stethoscope will not power
off automatically during a data
transmission.
Change Sound
Press the VOLUME INCREASE
Volume Level
or VOLUME DECREASE button.
The sound volume bar displays
the change.
Change
Press the FREQUENCY MODE
Frequency
SELECTOR button to select one
Mode
of the frequency ranges
(Bell, Diaphragm or Extended).
The selection is indicated on the
display panel.
Personalized
The Model 4000 is factory set in
Setup
bell mode and sound level 3. To
personalize setup, select the desired
frequency mode and volume level, and
then press and hold the FREQUENCY
MODE SELECTOR button for two
seconds. The Model 4000 will now
function with these settings on startup.
Heart Rate
The Model 4000 detects and displays
an acoustic-based heart rate. It takes
five seconds to compute the initial heart
rate and is updated every two seconds.
For heart rates below 30 bpm or before
the initial reading, the display shows
two dashes (--). Heart rates above 199
bpm will flash the number 199. Heart
5
rate is not displayed during recording
or playback.
The acoustic-based heart rate display
functions best when the Model 4000 is
placed near the apex of the patient's
heart. If the heart rate changes from
consistent to inconsistent or if there is
excessive ambient noise, patient
movement or lung sounds during
auscultation, the heart rate display
number will flash or display two
dashes (--). The flashing heart rate
will change to two dashes (--) after 10
seconds of inconsistent sounds or no
heart rate detection.
Select Soundtrack
Select any one of the six soundtracks
by pressing the SOUNDTRACK
SELECTOR button one or more
times. The selected soundtrack is
displayed. A number shown by itself
indicates an empty track. A number
shown with the
indicates a
recorded soundtrack. Recording on a
soundtrack that displays the
will
erase the currently stored sound.
Press the ON/OFF button to return to
the heart rate display.
Recording
Press and hold the RECORD button
for one second. The record symbol will
flash in the display. Press the record
button again to stop recording. Wait for
approximately two - three seconds
after an auscultation event before
pressing the RECORD button to stop
recording. Each soundtrack has a
recording duration of eight seconds.
Each recording must be at least two
seconds in duration.
The recording process captures the full
frequency range and stores it on the
soundtrack. This allows the ability to
change the frequency mode from bell,
diaphragm or extended range during
playback. To ensure that clear
auscultation sounds are captured, do not
adjust volume or frequency mode
during recording.
Playback
To play back a recording, select the
desired soundtrack and press the
PLAY button. When the entire
soundtrack has been played, there is a
one second delay before the
soundtrack will play again. To end
playback, press the ON/OFF button.
Half Speed
Press and hold the PLAY button
Playback
for two seconds. To stop the
continuous half speed and return to
normal playback, press the PLAY
button. To end playback, press the
ON/OFF button.
Erase Single
Erase soundtracks by recording
Soundtracks
new sounds `onto them. Erased
soundtracks cannot be recovered.
Erase All Sound
Press and hold the
Tracks
SOUNDTRACK SELECTOR
(use with caution)
button for two seconds. This will
erase all soundtracks. Erased
soundtracks cannot be recovered.
1.Select the soundtrack to be
transmitted and the soundtrack to
receive the transmission.
2. Position the two IR ports within
two feet.
3. Press the RECEIVE button on the
receiving Model 4000 then press the
TRANSMIT button on the
transmitting Model 4000. The arrow
will blink until the infrared
connection is made.
4. Transmission is indicated on the
Model 4000 display by a rotating
.
5. Progress of the transmission is
shown on the Model 4000 display
with the
symbol. To
stop the transmission, press the
ON/OFF button on either stethoscope.
1. Select the soundtrack to be
transmitted.
2. Position the two IR ports within
two feet.
3. Press the Model 4000 TRANSMIT
button. The arrow will blink until the
infrared connection is made.
4. Transmission is indicated on the
Model 4000 display by a rotating
.
The computer status bar will display
two red lights flashing towards one
another.
5. Progress of the transmission is
shown on the Model 4000 display
with the
symbol.
6. WINDOWS 95/98 – Downloaded
soundtracks are stored in: C:\My
Received Files.
Sending a copy of
a soundtrack to a
computer using
Microsoft®
Windows®
95/98/2000
1
with
an infrared (IR)
port
Data transmission
to another Littmann
Electronic
Stethoscope
Model 4000
1. Prompts may vary between versions of Windows and are the responsibility of the Microsoft.
References to Windows as it pertains to use of the Littmann Electronic Stethoscope Model 4000 are
for clarification only. Please consult your Microsoft users manual for specific instructions.
Microsoft® and Windows® are trademarks of Microsoft Corporation.
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