Welch Allyn Scale-Tronix 4802D Mode D'emploi page 21

Directions for use
6. Do not store the scale where heavy objects can be placed on it.
7. Replace the batteries annually or as required.
8. When storing the scale, remove the batteries from the battery area. Batteries can
corrode over a period of time. Make sure to check the batteries before putting the
scale back into use.
9. Do not service or perform any maintenance while the scale is in use with a patient.
Storage, cleaning, and maintenance 17