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© National Instruments Corporation 5-1 NI-488.2 User Manual for Windows
5
NI Spy Utility
This chapter introduces you to NI Spy, a utility that monitors and records
multiple National Instruments APIs (for example, NI-488.2 and VISA).
Overview
NI Spy monitors, records, and displays the NI-488.2 calls made from
Win32, Win16, and DOS NI-488.2 applications. It is a useful tool for
troubleshooting errors in your application and for verifying that the
communication with your GPIB instrument is correct.
Starting NI Spy
To start NI Spy, complete the following steps:
1. Select Start»Programs»National Instruments NI-488.2»Explore
GPIB to start Measurement & Automation Explorer.
2. Expand the Devices and Interfaces directory by clicking on the + next
to the folder.
3. Right-click on your GPIB interface and select NI Spy from the
drop-down menu that appears.
4. On the NI Spy toolbar, click on the blue arrow button to start a capture.
5. Start the NI-488.2 application that you want to monitor.