3M Littmann 4000 Handbuch - Seite 5
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When the display
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.
It means:
--
.
Operation
Power On
4
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
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
heart rate is above
bpm and
cannot be displayed.
Error Message. See Error Message
section of this manual
Press the ON/OFF button on the
Littmann Electronic Stethoscope
Model 4000. The factory or
personalized setting will be in
operation.
is
, the