Delta mDCC-100 Operating Instructions Manual page 11

4.12 To delete stored data select "Delete Record". by pressing  (Up), (Down) and  (Enter)
key, which display the following message.
Select "Sample Id" to delete record "One by one" or "All record" to delete all stored
data by pressing  (Up), (Down) and  (Enter) key.
Digital differential cell counter μDCC-100
Operating instructions
Page 11