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ER-390M Operating Instructions • 17
F/S SHIFT
When pressed before a PLU entry, the F/S SHIFT key reverses the
preprogrammed food stamp status of the PLU. For example, an item not
food stamp eligible can be made food stamp eligible.
F/S SUB
Displays the amount of the sale that is food stamp eligible.
F/S TEND
Use to tender food stamps for eligible sales.
GUEST #
Use to enter the count of guests served as part of a guest check.
MACRO (1-10)
Macro keys may be programmed to record, and then later perform, up to
50 keystrokes.
For example, a macro key could be set to tender (preset tender) a
common currency, such as $5 into the cash key.
RETURN
Used to return or refund merchandise. Returning an item will also
return any tax that may have been applied.
MODIFIER 1-5
The Modifier key alters the next PLU registered, either by changing the
Code number of the PLU so that a different item is registered, or by
adding the modifier descriptor.
P/BAL
Use to enter the amount of an outstanding balance.
PAID OUT
Use to record money taken from the register to pay invoices, etc. The
paid out amount subtracts from the cash-in-drawer total. Paid outs are
allowed outside of a sale only.
% Keys (1- 5)
Up to five % keys may be placed on the keyboard. Each % key is set
with a specific function, such as item discount or surcharge, or sale
discount or surcharge.
The percent rate may be entered or preprogrammed, or the percent keys
can be programmed with a negative open or preset price, thus acting as
coupon keys.
A percentage key may also be set up to accept charge tip entries.
PLU
The PLU key is used to register price look-ups by number entry. PLUs
can be programmed open or preset, and positive or negative.
PAYMENT
Use to Charge Posting Feature.
PRINT CHECK
Use to print a guest check. The check can be printed on an optional (RS-
232C) printer, or can be printed on the receipt printer. The PRINT
CHECK key can be set to automatically service the check.
PROMO
The PROMO key allows you to account for promotional items, as in "buy
two, get one free". Pressing this key will remove an item's cost from the
sale, but will include the sale of the item in the item's sales counter.
FEED
Advances the receipt paper one line, or continuously until the key is
released.
RECD ACCT
The RECD ACCT (received on account) key is used to record media
loaned to the cash drawer, or payments received outside of a sale. The
cash drawer will open. The amount received adds to the cash-in-drawer
total.
SCALE
Use to make weight entries. When a scale is attached, press the scale key
to show the weight in the display, then press (or enter) a PLU to multiple
the weight times the price. When a scale is not attached, you can enter
the weight (using the decimal key for fractions). PLUs may be