Siemens Second Wind Function Manual page 134

SIMATIC HMI
Mobile Panel 277F IWLAN
Product Information
Validity
The product information applies to the following HMI devices:
● Mobile Panel 277F IWLAN, order number 6AV6 645-0DB01-0AX0
● Mobile Panel 277F IWLAN, order number 6AV6 645-0DC01-0AX0
This product information contains important information. The notes supplement the operating instructions for the HMI device
and take precedence over statements in the operating instructions, the release notes, and in the online help.
WARNING
Please pay attention to the function manual "Fail-safe operation of the Mobile Panel 277F IWLAN" as well as the warnings
and additional information available in the Internet at:
http://support.automation.siemens.com/WW/view/en/31255853
The function manual "Fail-safe operation of the Mobile Panel 277F IWLAN" is available in German, English and Japanese.
Power management
NOTICE
Alarms not visible in power-save mode
Depending on the setting, the display of the HMI device will either be dimmed ("Power Save 1") or turned off
("Power Save 2"). The display will stay dimmed or turned off if there are alarms while in power-save mode. It will be difficult
or impossible to see any alarms in this case.
Note
If you operate the HMI device with external voltage supply, the device will switch to power-save mode "Power Save 1" after
two minutes without input. The display will be dimmed.
Note
If you connect an external USB keyboard to the HMI device, the external USB keyboard in power-save mode "Power Save
2" remains active.
Updating the operating system using ProSave
NOTICE
Update of operating system via Ethernet and USB only
Update of the operating system with ProSave has been approved via Ethernet and USB only.
Use ProSave V7.4.2 or higher.
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© Siemens Ⓟ2008
A5E01005059-01, 09/2008