3M Littmann 3100 Manual page 13

To obtain model and software version information: Select the "ID" option in the Setup menu. Use the (-) and (+) buttons
to scroll through the list of reference numbers. Press (M) to return to the operating mode of the stethoscope.
To leave the Setup menu: Press the Filter button or press the (M) button to select the EXIT option. This will return the
stethoscope to its normal operating state.
SETUP
Id
exit
power
10. Other Operating Considerations
Operating range is -22º to 104ºF (-30º to 40ºC), 15 to 93% relative humidity.
Storage and transport range is -40º to 131ºF (-40º to 55ºC), 15 to 93% relative humidity.
To extend the life of your stethoscope, avoid extreme heat, cold, solvents and oils. Remove the battery whenever the
stethoscope will not be used for several months.
If you plan to use the stethoscope below 0ºF (-18ºC) you should use a lithium battery to insure proper function.
Failure to follow care and maintenance recommendations could result in damage to the internal components of the Littmann
Electronic Stethoscope. Internal damage could cause malfunction of the product, ranging from a slight decrease in auditory
response to complete failure of the product.
If you experience any problems with the electronic stethoscope, do not attempt to repair it yourself. Please notify our 3M
Health Care Service Center for directions on shipping and receiving.
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