IEC12000160-2-en.vsd
IEC12000160 V2 EN-US
Figure 8:
No user defined
4.1.3
Logging off
GUID-0FDDB51B-D1C2-4442-AAE5-865BC39AE253 v1
The user is automatically logged off after the display timeout. The IED returns to a state where
only reading is enabled. Manual logoff is also possible.
1.
Press
.
2.
To confirm logoff, select Yes and press
.
IEC12000159-3-en.vsd
IEC12000159 V3 EN-US
Figure 9:
Logging off
•
To cancel logoff, press
.
4.1.4
Turning the display backlight on
AMU0600409 v9
The display backlight is normally off. It turns on at power up.
•
To turn on the backlight manually, press any LHMI push button.
The backlight turns on and the panel is ready for further operations.
If the panel has not been used for a predefined timeout period, the backlight is switched off.
The user is logged out from the current user level after the display backlight has turned off.
The factory default for display timeout is 10 minutes. The minimum is 1 minute.
The display returns to the default view and all unconfirmed operations, for example parameter
editing and breaker selection are cancelled.
Change the backlight timeout period in Main menu/Configuration/HMI/
Screen/SCREEN:1/DisplayTimeout.
4.1.5
Identifying the device
AMU0600422 v9
The IED information includes detailed information about the device, such as revision and serial
number.
1.
Select Main menu/Diagnostics/IED Status/Product identifiers.
2.
Select a submenu with
and
.
Section 4
1MRK 500 125-UEN A
Using the HMI
20
Operation manual