GMC Tech 2 User Manual page 78

SECTION VIIB
Diagnostic Trouble Code Change Mode
This feature allows the user to move from trouble code to trouble code within the snapshot. If you select
the View DTC Information icon, when in a snapshot the Snapshot application will display a split screen.
This screen will consist of the DTC information on the upper half of the screen and the parameter data
display on the lower half of the screen
If the DTC was not set in the selected frame of the snapshot, the DTC information will not display until the
snapshot is advanced to the first frame in which the DTC was set. Select the Diagnostic Trouble Code
Change icon (Figure VIIB-19) to advance to the first frame of the DTC. In DTC change mode, selecting the
forward or reverse arrows will move the application to only the frames in which a DTC was set.
Figure VIIB-19
"DTC Change" icon selected while in DTC display mode
(Figure VIIB-18).
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