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Scanner Function
Scanner Operation
Some toggle and variable control tests display functional test controls at the top of the screen with
data stream information below (
).
Figure 4-28 Sample functional test controls
Functional test controls allow you manipulate the test signal as shown in Table 4-4.
Table 4-4 Functional test control icons
Name
Icon
Description
Test
Activates the test.
Return
Moves focus back to the data list.
Change List
Allows you to switch data lists.
Custom
Allows you to select which parameters display during
the functional test.
Minus
Switches an item to low or off, or incrementally
reduces a variable signal.
Plus
Switches an item to high or on, or incrementally
increases a variable signal.
