Chapter 5 Configuration Utility©National Instruments Corporation5-23PCI/PXI-1408 and NI-IMAQ for Win95/NTNote: The Grab button becomes a Multi-Snap button in StillColor mode.• Snap—Clicking the Snap button will result in the 1408 devicecapturing and displaying a single video frame or field depending onthe mode of the board.• Histograph—The 1408 device displays the histograph of thecaptured image. You can use the histograph as an aid in setting thegain and offset values to receive the maximum input signal range.• Diagnostics—The Diagnostics button lets you run diagnostic testson the board. Pressing this button brings up the dialog box shownin Figure 5-18.Figure 5-18. Diagnostics SettingsSelect the tests you want to perform. Click the Start button to start thediagnostics. The diagnostics will run each test that has been specifiedby the appropriate checkbox. These tests will be executed the numberof times specified in the Iterations box. To stop the diagnostics, pressthe Stop button. The Completed box displays the number of testiterations performed.A camera must be connected to VIDEO0 when testing the interrupts.Note: The Start button becomes a Stop button when you run the diagnostics.
