Actron CP9190 - Manual (Page 49)

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Using The Scan Tool
3
Keyboard Test
The Keyboard Test is used to verify keys are working correctly.
From System Setup menu:
1.Select Keyboard Test.
•Use
UP or DOWN arrow
key until Keyboard Test is
highlighted.
•Press
ENTER.
2. Press a KEY.
• Key name or scroll direction should
inverse colors on display.
• The only exception is the
BACK
key. When
BACK key is pressed,
System Setup menu returns.
✓
If System Setup menu does not return,
then
BACK key is not working
correctly.
Memory Test
✓
The Memory Test will test RAM and Flash ROM.
✓
Run the Memory Test if the tool has trouble:
❒
Playing back recorded data.
❒
Displaying trouble code definitions.
❒
Doing any function that uses internal memory.
English/Metric
Contrast Adjust
Beeper
Auto Power Off 
Tool Information
Display Test
Keyboard test
System Setup
Keyboard Test