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6. {Clear/Stop}key Press to delete a number you have entered. User Tools (System Settings) Accessing the User Tools (System Settings) This section is for the key operators in charge of this machine. You can change or set the machine's default settings. Preparation After using the User Tools, be sure to exit from the User Tools. The selected key is highlighted. Any changes you make with the User Tools remain in effect even if the main power switch or operation switch is turned off, or the {Clear