Electronic Control Quick Reference
(Refer to Operation section for complete instructions)
On/Off Press the ON/OFF button to turn the
stethoscope on.
Press the ON/OFF button for
approximately two seconds to turn the
stethoscope off.
Pressing the ON/OFF button cancels
the current action, for example, to
stop a playback, transmission, or
reception of a soundtrack.
Soundtrack There are six soundtracks
Selector available on the Model 4000. Press
the SOUNDTRACK SELECTOR
button once to display soundtrack one,
press again to advance to the next
sound track.
Volume Decrease Press the VOLUME DECREASE
button to decrease the sound level.
Volume Increase Press the VOLUME INCREASE
button to increase the sound level.
Record Press the RECORD button for one
second to record sound onto the
selected soundtrack. Press again to
stop recording.
Frequency Mode Press the FREQUENCY MODE
Selector SELECTOR button to select Bell,
Diaphragm or Extended Range.
Receive Press the RECEIVE button to receive a
soundtrack from another Model 4000 or
computer.
Transmit Press the TRANSMIT button to
transmit the displayed soundtrack to
another Model 4000 or computer.
Play Press the PLAY button to hear the
selected soundtrack. The display
panel will indicate that the playback
is at normal speed. Press and hold
the PLAY button for two seconds to
play back in half speed. The display
panel will indicate that the playback
is at half speed. To return to normal
speed, press the PLAY button again.
Stop playback by pressing the
ON/OFF button.
Display Panel
The above picture demonstrates the graphics that are used on
the Model 4000 display panel. As a functional test, when the
Model 4000 is turned on, all the graphic indicators as shown
above will be briefly displayed. After this brief test, the display
will then indicate the current listening mode and the volume
setting. The factory setting for listening mode is Bell mode and
a volume setting of level three.
If is shown on the display, refer to the Error Message
section.
When the display It means:
panel shows:
Blinking means the two batteries are
almost depleted.
The sound volume has eight levels.
The bar shows the current sound level,
increasing from the left. The more
bars visible, the higher the sound
level. When one element is displayed,
the sound level is similar to a typical
acoustic stethoscope.
This is also used to indicate
soundtrack reception or transmission
progress during data transmission.
Bell mode.
Diaphragm mode.
Extended range mode. The extended
range amplifies sound from a broader
range of frequencies than the bell or
diaphragm mode.
Playing a recorded sound at normal
speed.
Playing a recorded sound at half
speed.
Recording a sound.
Transmitting a recording. The arrow
will blink until the infrared connection
is made. After connection is made, the
arrow will no longer blink.
Receiving a recording. The arrow will
blink until the infrared connection is
made. After connection is made, the
arrow will no longer blink.
The number displayed indicates the
soundtrack currently selected.
The symbol indicates that the
soundtrack is occupied by a previous
recording. If is not displayed, the
soundtrack is vacant. When the is
rotating, a sound transmission is in
progress.
is located below the number of
the soundtrack you have selected.
A number displayed is the heart rate.
If two dashed lines are displayed, refer
to the heart rate section.
If the display is blinking , the
heart rate is above bpm and
cannot be displayed.
Error Message. See Error Message
section of this manual
.
Operation
Power On Press the ON/OFF button on the
Littmann Electronic Stethoscope
Model 4000. The factory or
personalized setting will be in
operation.
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