98 Chapter 7 Using GPIB InterfaceOverviewYou can operate and program the 802 generator from an external computer or terminalusing either the RS-232C serial port or optional IEEE-488 (GPIB) port. The GPIB portenables the 802 to be used as a programmable video signal source for integration intoautomated test systems that use IEEE-488 or GPIB communications betweeninstruments.