Casio SF-4980ER Manual De Usuario

40

PART 3

Data Management Functions

1. Press 

 to display the Calendar Mode.

2. Press 

twice to display the second function menu.

3. Press 

 to select ALL DELETE.

•

To clear the function menu without unhighlighting anything, press 

.

4. Input the year of the calendar where you want the unhighlighting to end

and press 

.

5. Input the month of the calendar where you want the unhighlighting to end

and press 

.

6. Press 

to clear all highlights from January 1901 up to the month

you specified in steps 4 and 5 above, or 

to abort the operation without

deleting anything.

•

Remember that the delete operation cannot be undone.