Specifications

ER-290 Electronic Cash Register Advanced Operating Instructions • 33
- (Minus) Key Registrations
You can register a negative amount by entering a price, the pressing the - (Minus) key. For
example, you can enter bottle returns or coupons using the - (Minus) key.
Note: You can program the minus key so that tax is charged on the gross
amount, or on the net amount after the subtraction. See “- (Minus) Key
Programming” on page 58.
1. Register the items you wish to sell.
2. Enter the amount you wish to subtract from
the sale, for example for a $.50 coupon,
enter:
05
3. Press the - (Minus) key.
-
YOUR RECEIPT
THANK YOU
0 3 - 0 1 - 1 9 9 9
1 . . . . . . 2 . 2 9 T 1
* . . . . . - 0 . 5 0 -
* . . . . . . 2 . 2 9 T 1
* . . . . . . 0 . 1 4 T 1
* . . . . . . 1 . 9 3 C A
0 0 0 0 3 0
1 5 . 3 5 0 0