Sharp IQ-8900 - Manual (Page 124)

3. Touch (or to cancel the deletion).
You can also delete all entries in both ANN files. Simply
select ALL ANN FILES in step 2 above.
q
It is not possible to delete all entries simultaneously if the
unit is locked. See p. 282.
The Ann
application
menus
Selects specific text or entries for
deletion (see p. 122).
123