Casio PCR-T273 - Manual (Page 30)

E-30
Useful features
To register a reference number ...................................................E-65
To reduce amount from subtotal .................................................E-66
To give discount or premium ......................................................E-67
Calculator mode ............................................................ E-69
To use the register as a calculator .............................................E-69
To calculate during registrations ................................................E-69
To set calculator functions .......................................................... E-71
When you consider it as a problem ............................. E-72
Troubleshooting ...........................................................................E-72
In case of power failure ................................................................E-73
When the L sign appears on the display ................................... E-73
Specifications .................................................................E-74