Siemens SIMATIC HMI IPC677C Operating Instructions Manual page 78

Operation and configuration
8.1 Operator Controls
On/off button
On/off button
NOTICE
Data may be lost when the PC performs a hardware reset.
The on/off button does not isolate the device from the mains!
Note
By default, the BIOS Setup entry "After Power Failure" is set to "Power On". This means the
device is switched on with the on/off switch and you do not have to operate the on/off button.
78
WARNING
Description
The on/off button has three functions:
- Switch on the PC (press briefly 1x)
- Shut down the operating system and PC
(press briefly 1x)
- Switch off the PC without shutting down the
operating system
(press and hold more than 4 seconds) =
hardware reset.
Operating Instructions, 04/2013, A5E02722710-04
SIMATIC HMI IPC677C