User Manual

Table Of Contents
Diagnostics Operations Navigation
27
depending on the stage of operations. They can be used to navigate, save or
clear the diagnostic data, exit scanning as well as make other functional
controls. The functions of these buttons will be introduced respectively in the
following sections of the corresponding test operations.
4.4.2 Screen Messages
Screen messages appear when additional input is needed before proceeding.
There are mainly three types of on-screen messages as to their purposes:
Confirmation, Warning, and Error.
Confirmation Messages
This type of messages usually displays as an Information screen, which
informs you when you are about to perform an action that cannot be reversed
or when an action has been initiated and your confirmation is needed to
continue.
When a user-response is not required to continue, the message displays
briefly before automatically disappearing.
Warning Messages
This type of messages informs you when completing the selected action may
result in an irreversible change or loss of data. The typical example for this is
the Erase Codesmessage.
Error Messages
Error messages inform you when a system or procedural error has occurred.
Examples of possible errors include a disconnected cable or communication
interruption due to certain reasons.
4.4.3 Making Selections
The Diagnostics application is a menu driven program that presents a series
of choices one at a time. As you select from a menu, the next menu in the
series displays. Each selection narrows the focus and leads to the desired test.
Use your fingertip or the stylus pen to make menu selections.