3M Littmann 4000 Manual Download Page 3

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3M™ Littmann® Electronic
Stethoscope Model 4000

Congratulations on the purchase of your new Littmann
Electronic Stethoscope Model 4000, the next generation
electronic stethoscope that offers the very latest in advanced
auscultation technology.

This powerful, state-of-the-art electronic stethoscope provides
superior acoustics. With amplification up to 18 times greater
than the best conventional stethoscopes, the Model 4000 is
specially designed to pick up difficult-to-hear heart and other
body sounds. Three frequency modes are available for
optimal heart and lung auscultation: Bell, Diaphragm and
Extended Range.

The Littmann Electronic Stethoscope Model 4000 offers
recording, storage and playback capabilities on six different
soundtracks. Instant playback is available at normal and half
speed.

Additionally, the Model 4000 provides infrared data
transmission of recorded sounds to either another Model 4000
or an IBM-compatible PC, giving you the option of sharing or
storing the sounds.

Other features include digital signal processing over the entire
acoustic range, built-in display for easy viewing of the heart
rate, patient-friendly nonchill rim, and patented 3M™
Littmann® Snap Tight Soft-Sealing Eartips for excellent
acoustic seal and comfortable fit. Plus, the Model 4000
operates on just two AAA alkaline batteries.

Most of all, know that the Model 4000 carries the Littmann
brand name, the name known worldwide for unsurpassed
quality. As a trusted leader in auscultation technology, the
Littmann brand of stethoscopes is your assurance of acoustic
superiority, innovative design and exceptional performance.

The following symbols are applicable to this device:

• Attention, see instructions for use.
• Indicates Type B Equipment: The equipment

provides protection against electrical shock and
electrical current leakage.

• Avoid penetration of fluids into the eartip openings.

The remainder of stethoscope is protected against
splashing liquid.

• This product and package do not contain natural

rubber latex.

Each Littmann Electronic Stethoscope Model 4000 has a
serial number beginning with "SN P".

Indications
The Littmann Electronic Stethoscope Model 4000 is intended
for medical diagnostic purposes only. It can be used for the
amplification of heart, lung and other body sounds with
selective frequency filtering. The Model 4000 can also be
used for recording, playback and transmitting/receiving of
heart, lung, and other body sounds. This product is not
designed, sold, or intended for use except as indicated.

Caution

• Failure to follow directions, general use, and maintenance

recommendations could result in damage to the device or
possible injury to the user. Damage could cause
malfunction of the product, ranging from a slight decrease
in auditory response to complete failure of the product.

• Half speed playback is for reference and should not be the

only basis for diagnosis.

• It is the responsibility of the clinician to assure that all

recordings and data transmissions correspond to the
appropriate patient data.

• Transmissions of soundtracks to a computer are for storage

purposes only. Soundtracks should not be listened to from a
computer for diagnostic purposes.

• The Littmann Electronic Stethoscope Model 4000 has

been tested to be resistant to both electromagnetic fields
(EMI) and electrostatic discharge (ESD). However, it may
be susceptible to very strong radio frequency signals.
When using the stethoscope, if sudden or unexpected
sounds are heard, the Model 4000 may be in close
proximity to a strong radio transmitter. If this should
occur, move away from the radio’s transmitting antenna.

• Use only AAA alkaline batteries.

• The Model 4000 will not function if the batteries are

depleted.

• Do not immerse the stethoscope in any liquid or subject it

to any sterilization processes. The entire Model 4000 can
be wiped clean with alcohol.

• At the end of this device’s useful life, dispose or recycle in

accordance with your local, state, and governmental
regulations.

• If you have any problems with the Model 4000, do not

attempt to repair it yourself. Refer to the Service and
Warranty section of this manual.

Instructions For Use

Battery
When used in a typical setting, the Littmann Electronic
Stethoscope Model 4000 will operate for about one month on
two AAA alkaline batteries. Using the recording options or
infrared data transfer will reduce the average battery life.

When the batteries are close to depletion, the LOW
BATTERY indictor, located on the display, will blink. When
this occurs, the batteries should be replaced within two hours
of continuous use.

When the batteries are no longer able to power the Model
4000 stethoscope, the stethoscope will automatically turn off.
All recorded sounds and settings are saved. The Model 4000
will not function if the batteries are depleted.

Insert batteries as shown

Electronic Controls
The chestpiece of the Littmann Electronic Stethoscope Model
4000 contains six buttons:

The battery compartment of the Model 4000 contains three
buttons and the infrared port:

IPX4

Battery
Compartment

On / Off

Soundtrack Selector

Volume Decrease

Volume Increase

Record

Frequency Mode Selector

Receive