• Do not charge or short-circuit batteries.
• If the device is not to be used for a relatively long period, take the
batteries out of the battery compartment.
• Use identical or equivalent battery types only.
• Always replace all batteries at the same time.
• Do not use rechargeable batteries.
• Do not disassemble, open or crush the batteries.
4. The basal thermometer
Flexible measuring tip
Measuring sensor
Display
LED ring
On/off button
44
Battery com-
partment cover