CAS PR2-15 - PAYMENT PROCESSING; Total Sales Payment

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Chapter 5. Payment
a. Payment function on total sales amount
① Press ∑ key to call up total price.
(If you want to go back to sales mode,
press zero key.)
Input payment of consumer by numeric ②
key.
Ex) 120.00 payment
Press Σ key to call up the change ③
amount.
After checking the change amount press ④
Σ key to go back to normal weighing mode.