My KANE3500 Tightness Test Memory is full - How do I clear it?

My KANE3500 Tightness Test Memory is full - How do I clear it?

Your KANE3500 displays FULL after you store 20 tightness tests

To delete these tests, press MENU then press UP or DOWN arrow key buttons to select PRESSURE and press ENTER button

Press UP or DOWN buttons to select REPORTS, then press ENTER button

Press UP or DOWN buttons to select DEL ALL, then press ENTER button

Your KANE3500 display will show:

Press UP arrow button to change NO to YES, then press ENTER button – All stored tightness tests are now deleted.