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ER-390M Operating Instructions • 45
Subtotaling a Sale
1. Register the items you wish to sell.
2. Press SBTL. The subtotal will display
with the message "Sub" indicated on the
rear display.
SBTL
The subtotal can be printed if the system
option is set. See "Print Option
Programming" in the "Program Mode
Programming" chapter.
Eat In/Take Out/Drive Thru Sales
Different types of sales, such as "Eat In", "Take Out" and "Drive Thru" can be categorized by
placing separate keys on the keyboard. EAT IN, TAKE OUT, and DRIVE THRU keys
function as subtotal keys. You can force the operator to press one of the keys before
tendering. See "System Option Programming" in the "Program Mode Programming"
chapter. Separate totals will be maintained on the financial report to detail sales counts and
amounts for each key.