Siemens HiPath 4000 User Manual
Page 28
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Step by Step
Administration
optiPoint 410/420 economy/economy plus/standard/advance
28
Line Status
Enter "Administration Menu" and go to the Diagnostics 
Menu 
>
:
Choose and confirm.
:
Confirm.
or
>
:
Choose and confirm.
The change is displayed.
SLK Test
Enter "Administration Menu" and go to the Diagnostics 
Menu 
>
:
Choose and confirm.
Displaytest is running.
:
Choose and confirm.
Displaytest finished.
08=Line test?
>
Off?
>
On?
>
„SLK Test“ is executable only for optiPoint 420 
telephones.
09=SLK test?
>
Press tick to stop it
>
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