Configuring the operating system
6.6 Changing HMI device settings
Mobile Panel 277F IWLAN
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Operating Instructions, 12/2007, A5E01003940-01
①
Button for increasing the brightness
②
Button for reducing the brightness
Procedure
Proceed as follows:
1.
If you want to increase the brightness of the screen, press "UP".
2.
If you want to reduce the brightness of the screen, press "DOWN".
3.
Confirm your entries.
The dialog closes.
Result
The screen settings have been changed.
6.6.5
Setting the screen saver
Power management settings in the WinCC flexible project
To save power, the HMI device has a power management function with the following states:
● "Power Save 1"
– Reduces the brightness of the backlighting.
● "Power Save 2"
– The touch screen is switched off.
– The function keys are not active.
The relevant time intervals are set in the project. Power management is automatically
activated if the HMI device is not operated within the specified period of time.
You can clear the "Power Save 1" state by touching the touch screen or pressing the
function key.
You can clear the "Power Save 2" state by briefly pressing the ON/OFF button.
Settings in the Control Panel
You can also set the following time intervals in the HMI device Control Panel:
● For the automatic activation of the screen saver
● For the automatic reduction in the screen's backlighting
The screen saver and the reduced screen backlighting functions are switched back off by
means of the following actions:
● By pressing any key
