15
6. The Change Calculation (AP-MX, EX)
This function is performed while the any total price is on the display.
PAY
5
0
0
0
PAY
Press PAY key.
Enter a customer's payment.
Press PAY key.
PAY
Press PAY key to escape.
NOTE: Customer's payment should be always bigger than the total price otherwise,
an error beep sound may be generated.