SAM4S SPS-300 Series Electronic Cash Register AU Operating Instructions • 63
Percent Key Operations
A total of five % functions are available. %1, %2 and %3 are located on the default SPS-320/340
keyboard and %1 is located on the default SPS-325. Your keyboard may be different. More or less
% keys may be located on the keyboard, or they may be located on one of the function look up menu
keys.
Each function is individually programmable to add or subtract, from an individual item or from a sale
total, amounts or percentages. You can also program the percentage key taxable or non-taxable, so
that sales taxes are calculated on the net, or the gross amount of the item or sale. You can also
program preset amounts or rates.
The operation examples in this section show the percentage key in a variety of configurations. See
"Function Key Programming" in the "Program Mode Programming" chapter to assign a specific
function to each percentage key.
These keys will be pre-programmed to operate on EITHER PLUs (item) OR SUBTOTALs (sale),
but not both; EITHER MINUS (discount) OR PLUS (surcharges), but not both; EITHER RATE
(percentage) OR AMOUNT (Dollar), but not both.
So, if you want to discount items but not every item in a sale, you will need two % keys. To discount
on the whole sale, you will need to press SUBTOTAL first.
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