Abstract: An integrated diagnostic system includes interface connectors to connect to a plurality of instruments/instrument modules, including engine analyzers, gas analyzers, oscilloscopes, scanners, network connections, and/or other desired peripheral modules. These modules advantageously interface to the system through diverse parts, connections and with various protocols. The system may connect to a network, wired or wireless, for interfacing among processors and modules, and with an internet connection for interaction with remote resources including databases and expert systems.

Abstract: Measurement data storage is triggered in response to occurrence of a user set condition with respect to one or more user-selected measured parameters, to thereby capture real-time monitored test data. In an application for a vehicle diagnostic tool, such as an engine analyzer, the measurements and attendant display may be provided during engine operation or actual vehicle operation. The tool software allows a user to specify any one or more of the measured parameters; and for any selected parameter, the user can identify an event with regard to the selected parameter. During the test, the processor executing the software captures measured parameter data, and the processor analyses the appropriate measured parameter data with respect to any and/or all user specified conditions. Triggering may be based on occurrence of an event or combinations of events.