Operating instructions

Configuring the operating system
6.8 Changing HMI device settings
MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
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6.8.9 Restarting the HMI device
Introduction
You can restart the HMI device or reset the factory settings before rebooting. Further
information on this can be found in the section "
Resetting factory settings (Page 174)".
Required restart
The HMI device must be restarted in the following cases:
● You have activated or deactivated the PROFINET IO direct keys.
● You have changed the time zone setting.
● You have changed the automatic daylight savings and standard setting
NOTICE
Data loss when the HMI device is restarted
All volatile data is lost when the HMI device is restarted.
Check the following:
• The project on the HMI device is complete.
• No data is being written to the flash memory.
The HMI device must be restarted in the following cases:
Requirement
● You have opened the "OP Properties" dialog box, "Device" tab, by touching
the "OP"
icon.

① Button for restarting the HMI device
● If you want to reset the HMI device to the factory settings: the HMI deice is connected to
a configuration PC via PROFINET.