ER-390M
Operating Instructions
•
15
Operating Instructions
Function Key Descriptions
Keys are listed in alphabetical order. Some of the keys described below are not included on
the default keyboard. See “Function Key Assignment Programming to add or change
programmable keys.
Keyboard Legend
Description
#/NS
Use as a non-add key to print up to an 8-digit numeric entry on the receipt.
This entry will not add to any sales totals. The
#/NS
key is also used to
open the cash drawer without making a sale.
X/TIME
Use to a multiply a quantity of items or calculate split pricing on PLU
entries.
00, 0-9, Decimal
Use to make numeric entries in
REG
,
X
,
Z
,
VOID
, or
P
positions. The
decimal key is used for decimal or scale multiplication, when setting or
entering fractional percentage discounts, or when programming fractional
tax rates. Do not use the decimal key when making amount entries into
PLUs.
ADD CHECK
Use to combine individual trays (in a cafeteria situation) that will be
paid together. Each tray subtotal can advance the consecutive number,
depending on programming.
CANCEL
Cancels a transaction without updating PLU, or function key totals. The
Cancel function may only be used prior to tendering. Once tendering
begins, the Cancel function may no longer be used. The
CANCEL
key
corrects the appropriate totals and counters and the Financial report
records total of transactions canceled.
CASH
Calculates the sale total including tax, finalizes the sale, and opens the
cash drawer. Change computation is allowed by entering an amount
before pressing the
CASH
key. The cash drawer will open only if the
amount tendered is equal to or greater than the total amount of the sale.
Post tendering is also available should a second change calculation be
necessary. Re-enter the tendered amount and press the
CASH
key to
show the new change computation.
Press the
CASH
key a second time to issue a buffered receipt (up to 200
lines) when the
receipt on/off function is OFF.
CHECK
Use to finalize check sales. Calculates the sale total including tax,
