Casio V-REGI Series Reference Manual page 14

[2] Customer is not registered, if you want to register as a new customer
 Dialog is displayed if the customer has not been registered.
 If you want to register as a new customer, and then tap <OK> dialog
lower right.
 Please tap the <Cancel> If you want to cancel the registration.
 Registration confirmation screen of the customer is displayed, register
the customer's name.
 When you tap the frame that are listed as "New Customer", customer
name input screen is displayed.
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