3. Press “S” button to exit database.
The option menu of database is as follows:
a. Press F1 button (◀) to select the next data position in order.
b. Press F2 button (▶) to select the next page in order.
c. Press F3 button (ERASE) to erase the waveform at current page.
d. Press F4 button (SAVE) to save current held wave on current page.