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Scanner Scanner Operation
The toolbar control icons are described in Scanner Control Icons, on page 21 and Common
Toolbar Control Icons, on page 16.
During data display the main body of the screen is divided into two columns; the left-hand column
has a description of the parameter and the right-hand column shows the parameter value or state.
Parameters are listed in the order in which they are transmitted by the ECM, so expect variations
between years, makes, and models.
Up to three parameters can be locked, or fixed, at the top of the list. Locked parameters do not
change as you scroll through the parameter list. The Lock/Unlock icon on the toolbar selects
which parameters are fixed (see Locking Parameters, on page 34).
Displayed data may also be paused or saved for detailed review and future reference, see Saving
Files, on page 36 and Pausing and Reviewing Data Files, on page 37.
Customizing the Data List
The Custom Data List icon on the toolbar is used to determine which specific parameters display.
Minimizing the number of parameters on the data list allows you to focus on any suspicious or
symptom-specific data parameters. You can add or remove most parameters from the list. Certain
vital parameters may not be removed. These appear in gray at the top of the list along with a lock
icon, and they cannot be selected.
i Limiting the number of parameters that display to those that apply to a particular situation results
in a faster data refresh rate, and reduces the amount of memory used for saved files.
z To create a custom data list:
1. Select the Custom Data List icon on the toolbar to select it.
The data selection screen displays and two new icons appear on the toolbar. Check marks to
the left of the parameter description indicate which parameters are selected for display. A
second smaller check box indicates a parameter that is locked.
The toolbar icons provide options for selecting and deselecting parameters to include or
remove from the custom data list:
2. Create a custom data list by selecting the parameters to include. A parameter that displays
has a check mark alongside the name, a parameter that does not display does not. Select
which parameters to display:
a. Selecting the Select All/Deselect All icon immediately changes all of the parameters to
the same condition, a second push changes them all back.
Icon Description
Select/Deselect, use to mark individual
parameters to hide or display. Any locked
parameters cannot be deselected.
Select All/Deselect All, use to hide or
display all of the parameters in the list. Any
locked parameters cannot be hidden.
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