GPIB INSTR, GPIB INTFC, TCPIP INSTR, USB INSTR, VXI INSTR
This event notifies the application that a service request was received from the device or interface associated with the given session.
|Note When you receive a VI_EVENT_SERVICE_REQ on an instrument session, you must call viReadSTB() to guarantee delivery of future service request events on the given session.|
Unique logical identifier of the event. This attribute always has the value of VI_EVENT_SERVICE_REQ for this event type.