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ART NUMBER FN091065, REVISION 2 VS5 N AND VS6 N SERVICE MANUAL
Chapter 7 - Diagnostics/Troubleshooting 7-73
PRELIMINARY
7-4-6 Probe Select Board Diagnostic Tests (cont’d)
NOTE: The ACW Delay Range Test test has three test reports (Signal Frequency, Signal RMS, and
Signal SNR) which are listed in the Reports window on the right. By default, the Signal
Frequency report is displayed in the Reports window below (Figure 7-43 "View Test Log - ACW
Delay Range Test - Signal Frequency" on page 7-72).
NOTE: Left and right arrows provided in the View Report window enable scrolling between the different
channels.
Left-clicking on a currently-selected channel marks a red square on the report graph, and also evokes
the display of the following information relative to that specific point: Average, Deviation (standard
deviation from the Average), Max, and Min.
The signal should be within the limits marked in the white area (the dotted line represents the Average),
as shown in Figure 7-43 "View Test Log - ACW Delay Range Test - Signal Frequency" on page 7-72.
7) When done, trackball to the Close button and press Set to close the View Report window.
8) Select the second report (Signal RMS); the report is highlighted in the Reports list, and the
corresponding results are shown in the Report window below, as shown in Figure 7-44 "View Test
Log - ACW Delay Range Test - Signal RMS" on page 7-73.
9.) Use the tools provided to scroll through the channels and view the results, as previously described.
10) When done, trackball to the Close button and press Set to close the View Report window.
11) Select the third report (Signal SNR); the report is highlighted in the Reports list, and the
corresponding results are shown in the Report window below, as shown in Figure 7-45 "View Test
Log - ACW Delay Range Test - Signal SNR" on page 7-74.
Figure 7-44 View Test Log - ACW Delay Range Test - Signal RMS
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