Olivetti ECR 5000 Instructions Manual page 57

Registering an Identification Number to a Transaction
Up to 7 digits can be used for the identification number. This entry can
be made prior to any operation. The identification number is not added to
the management report or totals.
Example: Assign the identification number 3459 to a £1.00 sale to
Department 4. Enter an exact cash tender sale.
Proceed as follows:
1. Type [3459] and press the [ST/#/NS] key.
2. Type [100] and press the [Department 4] key.
3. Press the [Amt Tend/TOTAL] key for an exact cash tender sale.
50
Transaction number
Registering a No Sale
This operation opens the cash drawer and prints a no sale receipt. The
activity is registered to the activity counter in the financial report.
Proceed as follows:
1. Press the [ST/#/NS] key.