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,

 

 

 

 

 

 

 

 

ER-390M

Operating Instructions 15

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Sam4s ER-390M manual Operating Instructions, Function Key Descriptions