Operator Profi Le; Functional Description; Insert Battery - 3M Littmann 3100 Manual

Operator Profi le
The 3M Littmann® Electronic Stethoscope Model 3100 is designed to be used by anyone who wishes to listen to sounds as
described in the Intended Use section above. This manual provides complete information on how to operate the Model 3100
so that no additional operating training is required.

Functional Description

The Model 3100 electronic stethoscope picks up sounds, such as heart and lung sounds, from a patient's body. After
amplifi cation and fi ltering, the sounds are sent to the user through a binaural headset. The stethoscope chestpiece is
designed for use with adult, pediatric, and infant patients.
The user interface for the stethoscope includes a 5-button keypad and an LCD display. Sound processing is carried out
with the aid of a digital signal processor. Stethoscope power is provided by a single AA battery in the chestpiece. A power
management system is included to prolong battery life.
Serial Number
Each Littmann Electronic Stethoscope Model 3100 comes with a unique serial number for easy identifi cation. Please record
your serial number in this manual for future reference: ________________________________
INSTRUCTIONS FOR USE

1. Insert Battery

Insert AA battery (provided in package) into Stethoscope.
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1. Hold chestpiece in one hand while slightly twisting the battery cap
approximately 25º counter-clockwise. Remove battery cap.
2. Insert new battery with positive end out (plus sign will be visible in the
battery compartment).
3. Remount battery cap, twisting cap approximately 25º clockwise until
locked.
4. Make sure the two marks are aligned.
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