Wrist Electronic Sphygmomanometer Ck-102s Manual -

Locate the battery compartment cover on the back of the device. Slide the cover off in the direction of the arrow.

: Cycles backward through the saved data logs. wrist electronic sphygmomanometer ck-102s manual

If you can tell me the on your device (as "CK-102S" is produced by many vendors) and whether it is a single-user or dual-user model, I can provide a more detailed setup guide for the memory feature . Locate the battery compartment cover on the back