39 | ES820.1 Drive Recorder
ETAS ES800 System | User Guide
5.5 Switching the Drive Recorder On and Off
5.5.1 Switching On
Pressing the "Power" button on the ES820.1 module or an external "Remote Power"
button briefly switches on the ES820.1 (change from the "Standby" state to the
"On" state).
This starts the installed operating system and the application software. The time
required for this varies depending on the Standby mode ("Low power" or "Fast
boot") and the measurement configuration.
5.5.2 Power Off
Switching off (shutting down)
If the Drive Recorder ES820.1 is in the "On" state, it can be shut down by briefly
pressing the "Power" button on the module or an external "Remote Power" button.
If a measurement is in progress, this is aborted, and the measured data is saved
before the system is shut down. After being shut down, the Drive Recorder ES820.1
is in the "Low power" or "Fast boot" Standby mode, depending on the configura
-
tion.
Switching off ("Force switch-off")
The Embedded PC of the Drive Recorder is switched off when the "Power" button
on the module or an external "Remote Power" button is pressed for at least 20 sec-
onds.
This switch-off corresponds to the "Hard shutdown" function of a standard PC.
System processes and measurements are aborted without being completed and
data may only be partially saved or not saved at all.
NOTE
Always switch off the Drive Recorder ES820.1 with the "Power" button, the
"Remote Power" button, via the "Power Status Coordination Input" (PSCI) or in a
time-controlled manner. This ensures that a measurement that is in progress is
aborted correctly and that the Drive Recorder ES820.1 starts up without delay
when it is switched back on.
NOTE
Data may be lost!
If the "Power" button is pressed for longer than 20 seconds, the Drive Recorder is
switched off immediately, even if measurements are in progress. The recording
of measured data may be incomplete or corrupted.
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