Advantech DLoG DLT-V4108, Руководство пользователя

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DLT-V4108 settings
34 / 81 DLT-V4108 Manual, V01 Prelim Advantech-DLoG
The device will continue to operate normally in this state until the shut-off delay (e.g. 20 minutes)
has elapsed.
If the ignition is turned on again during this shut-off delay, DLT-V4108 will revert to a normal
operational state.
Once the shut-off delay (after run time) has elapsed, the operating system will shut down and the
device will automatically shut down (e.g. after one minute or a signal from the operating system).
Device shut down
If the operating system is shut down, all applications will be notified via the Windows message
“WM_QUERYENDSESSION” first.
Every application must then respond within the time set in the registry. If there is no response
within the preset time, the application will be hard-terminated.
It may not be possible to close an application automatically if it has unsaved data. For example,
the WORDPAD.EXE program (included in Windows) cannot be closed automatically if there are
unsaved changes. In such a situation, WORDPAD.EXE will acknowledge the
“WM_QUERYENDSESSION” Windows message by prompting the user to choose whether to
save it or not.
All applications that can be terminated without user confirmation using the keyboard shortcut
<ALT> + <F4>, which will normally also respond correctly to the “WM_QUERYENDSESSION”
message and therefore do not need to be hard-terminated.
To ensure that the important data is saved correctly, the application must respond appropriately
to “WM_QUERYENDSESSION”, i.e. the backup data must be saved without user confirmation
and within the preset time.