Sharp AR-FX2 Operation Manual page 54

ENTERING AUTO DIALLING INFORMATION
2-24
Press the START key.
5
After erasing the rapid key number, you return to step 2. If you want
to erase more rapid key information, repeat steps 3 through 5.
6 After you have erased all the rapid dialling information
you want to, press the CLEAR ALL key.
When you cannot erase rapid dialling information...
Confirm that the number is not used in the following
Note
ways.
Currently being used for dual access.
Included in group dialling.
Included in a relay group.
Included in a program.