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Instructions for Use
Chestpiece
On 3M
™
Littmann
®
Classic II Infant or Pediatric
stethoscopes with traditional combination chestpieces,
you select either the diaphragm or open bell side by
holding the chestpiece stem in one hand and rotating
the chestpiece with the other hand until a click is felt.
Low frequencies:
Use light
contact on the bell side to
hear low frequency sounds.
High frequencies:
Turn the
chest piece over, index to the
opposite side and use firm
pressure to hear
high-frequency sounds.
Headset Adjustment
Your Littmann stethoscope is
designed to provide a
comfortable, acoustically sealed
ear fit. Notice that the eartubes
are set to accommodate the
typical anatomy of the ear canal.
The eartips should point in a
forward direction as you insert
them into your ear canals.
To reduce spring tension in the
headset, hold each eartube at
the bend near the eartip and
gradually pull apart until
fully extended.
To increase spring tension,
grasp the headset with one
hand where the eartubes enter
the plastic tubing and squeeze
until the plastic tubing on one
eartube touches the other.
Repeat as necessary.
For maximum acoustic
performance, comfortable
patented 3M
™
Littmann
®
Snap
Tight Soft-Sealing Eartips are
provided with your stethoscope.
This stethoscope utilizes a unique
design for attaching the eartip to
the eartube. The eartips are
pushed on to the end of the
eartube and snapped firmly into
place. To remove, pull firmly on
the eartip.
Correct
Incorrect
