Appendix C: Interface Specifications
C–2 TDS Family Oscilloscope Programmer Manual
HDT1 (Device Trigger). When acting as a listener, the digitizing oscilloscope
responds to the GET (Group Execute Trigger) interface message.
HC0 (Controller). The digitizing oscilloscope cannot control other devices.
HE2 (Electrical). The digitizing oscilloscope uses tristate buffers to provide
optimal high-speed data transfer.
Interface Messages
Table C–1 shows the standard interface messages that are supported by the
digitizing oscilloscope.
Table C–1: TDS Family Oscilloscope Standard
Interface Message
Message GPIB
DCL Yes
GET Yes
GTL Yes
LLO Yes
PPC No
PPD No
PPE No
PPU No
SDC Yes
SPD Yes
SPE Yes
TCT No
UNL Yes
UNT Yes
Listen Addresses Yes
Talk Addresses Yes