Gasboy CFN Series Diagnostic Manual - Manual (Page 305)

Standalone Receipt Printer
0021 8-13
S2 - Miscellaneous Switches
These switches are used to set the basic configuration of the printer. They are software
dependent (the version of software may change the nature of the switch).
PRINT.HEX V4.2B Software 07/31/87 & Earlier
PRINT.HEX V4.3 Software 08/14/86 & Later
DEAD This switch enables the deadman timer. It should always be open.
BR1, BR2 These switches select the baud rate and should always be left in the positions
shown.
CRC This switch should always be open to allow data integrity checks to be performed on the
data going between the ICR and the site controller.
DES When open, the PIN number entered with a bank card transaction is encrypted before it is
sent to the site controller. DES requires battery backup socket and 8K RAM.
ADDR4, ADDR3, ADDR2, ADDR1 These switches select the address of the printer on the
RS-422 loop. The printer can be set for any address; we recommend address 1.
S3
This switch should always be left in the Up position.