How do you reset a royal alpha 600SC gross sales?

To see yearly totals:

Turn key to Z

Type 99 into the number pad

Press the Amount Tend Total key

To clear the yearly totals:

Turn key to PRG

Type 777777 into the number pad

Press the Amount Tend Total key

Type 0 into the number pad

Press the non tax key

This will give you a receipt for the entire year and clear it for the next year.