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Scanner Scanner Operation
z To lock parameters:
1. Highlight the parameter to be locked.
2. Select the Lock/Unlock icon on the toolbar to lock it.
A copy of the locked parameter is now shown at the top of the data list, and a lock icon
appears alongside the parameter name.
3. Highlight and select additional parameters to lock.
Up to three parameters can be locked at a time. Once locked, a parameter remains locked
until it is manually unlocked or communication with the vehicle is stopped.
Figure 3-17 Locked parameters
i If three parameters are locked, one of them must first be unlocked before another parameter can
be locked.
z To unlock parameters:
1. Scroll through the data list and highlight the parameter to be unlocked, or released.
2. Select the Lock/Unlock icon on the toolbar.
The released parameter and the lock icon disappear from the list at the top of the data list.
3. Repeat Step 1 and Step 2 to release other parameters if needed.
Setting Trigger Levels
The trigger icon allows you to configure the diagnostic tool to automatically save PID data from
buffer memory to a file when a parameter value crosses a threshold. When triggering is armed, a
"Trigger event" pauses data collection and saves data to a file.
Selecting the Trigger icon opens a menu that includes:
• Set Trigger—establishes upper and lower signal values to initiate an event capture for the
highlighted parameter.
• Arm Trigger—activates the diagnostic tool to capture an event when the signal crosses a
threshold value.
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