All 100 Patterns stored in the RX17 can be deleted with one procedure.
WARNING: ALL pattern data will be deleted. If the current patterns are not expendable, create a backup before proceeding with the following procedure.
1) Press the
[PATTERN] button.
2) Using the
and
buttons move the cursor to 'Function 5'. The LCD will display the 'Clear All PTNs?'.
3) Press the
[+1/YES] button to continue this operation. The LCD will display 'Sure? (yes/no)'.
4) Press the
[+1/YES] button to clear all 100 Patterns. The LCD will display 'Complete!' and the RX17 will return to the 'Select Pattern' menu.
Reference: Owner's Manual, p.12 
