Sharp FO-DC535 - Manual (Page 171)

Polling
169
6. Special Functions
4
Press .
5
Storing: Enter a 2-digit number (from 01 to 10).This number identifies
the fax number you will enter in the next step.
Clearing: Enter the 2-digit number which identifies the fax number you
want to clear, and go to Step 7.
6
Enter the fax number (max. 20 digits) by pressing the numeric keys.
7
Press .
8
Return to Step 3 to enter (or clear) another number, or press
repeatedly to return to the date and time display.
START/
ENTER
START/
ENTER
STOP