To program department names in the PGM mode scroll down to System Settings and press CaAmtTend. To program alpha numeric characters see pages 54-55 or 55-56 in your manual.
1) Enter 2 press Subtotal
2) press the department button you want to name
3) enter name press CA/AmtTend
4) Repeat steps 2 and 3 until complete
5) press subtotal to save your programming and turn the key back to REG