Sharp DC500 FO-DC500 FO-DC525 FO-DC600 Operation Manual - Page 202

Distinctive Ring RING PATTERN 1 RING PATTERN 2 RING PATTERN 3 STANDARD RING OFF SETTING Two short rings One short, one long, and one short ring Two short rings and one long ring Your standard (normal) ring pattern Turn distinctive ring off 4 Press START/ ENTER . 5 STOP Press repeatedly to return to the date and time display. Selections in Canada In Step 3 of the above procedure, the selections available in Canada are as follows: RING PATTERN 1 RING PATTERN 2 RING PATTERN 3 RING PATTERN 4 RING PATTERN 5 STANDARD RING OFF SETTING Two short rings One short, one long, and one short ring Two short rings and one long ring Three very short rings Two very short rings Your standard (normal) ring pattern Turn distinctive ring off 200