Abstract: Apparatus for processing batchs of remittance and transaction documents by operating an encoder in accordance with a program stored in memory. A central processor unit sequentially generates a plurality of groups of data signals in accordance with the program. A card or document reader reads information stored on a transaction document and transmits the information through a card reader interface to the central processor unit. A switch control interface senses the states of a plurality of switches indicative of control and endorsement information and transmits the information to the central processor unit. A display interface causes a display to display numeric and control information stored on the transaction document in response to one of the groups of central processor unit data signals.