Omron HCG-801 Manual De Instrucciones página 43

HOW TO ERASE, SAVE AND ORGANIZE ECG DATA
4. Press the SELECT button.
The confirmation message "Erase selected data?" is displayed.
5. Press the button to select YES, then press the SELECT button.
The ECG data is erased and the screen from step 1 appears.
NOTE: If you press the SELECT button after selecting NO, the ECG data is
not erased and the screen from step 1 appears.
CAUTION: Never remove an SD memory card while data is being erased.
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* By default, NO is
highlighted.