Tank vehicles and fiscal registrars (PPO) are products designed to automate cash flow accounting and personnel control in commerce, services, etc. PPO is used to control the state for cash turnover, completeness and timeliness of the enterprises in cash crediting of cash proceeds.
Cash register (EKKA) - has its own keyboard and operates independently, controls the operations on the display and the cash register check.
A digital processor (EKKR) - works only as part of a computer cash register system, that is, for the fiscal recorder to work, you need to connect it to a computer or a POS terminal. Software is installed on a computer or POS terminal, using which the operator controls the settlement operations on the computer monitor, and a receipt is printed on the fiscal registrar and the results of sales of goods and services are stored in the fiscal memory.