Headset Adjustment - 3M Littmann Master Cardiology Manual Del Usuario

Instructions for Use
Changing Frequencies Using
the Tunable Diaphragm
Your 3M Littmann Master Cardiology
™ ®
is equipped with a tunable diaphragm that enables
you to listen to both low and high frequency
sounds without turning over the chestpiece.
chestpiece. To listen to low and high frequency sounds
without removing and repositioning the chestpiece
simply alternate between light and firm pressure on
the chestpiece.

Headset Adjustment

Your new Littmann stethoscope is
designed to provide a
comfortable, acoustically sealed
ear fit. Notice that the eartubes
are set to accommodate the
Correct
typical anatomy of the ear canal.
The eartips should point in a
forward direction as you insert
them into your ear canals.
Incorrect
stethoscope
™
Low frequencies: To listen to
low frequency sounds
(traditional bell mode) use
very light skin contact.
High frequencies: To listen to
higher frequency sounds
(traditional diaphragm mode),
press firmly on the
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.
Removing the Diaphragm and
Cleaning the Chestpiece
water or wipe with alcohol. Wipe chestpiece surfaces
with alcohol or soapy water. Dry all parts and surfaces
thoroughly before reassembly.
2
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
Tight Soft-Sealing Eartips are
provided with your stethoscope.
This stethoscope utilizes a unique
With the diaphragm side down,
push the rim at one point with
both thumbs and roll the rim off
the edge of the chestpiece.
Remove the diaphragm from
the rim and clean parts in soapy
Snap
®