Yealink VC400 Administrator's Manual page 179

of Week, DST Start Day of Week Last in Month, DST Stop Month, DST Stop Day
of Week and DST Stop Day of Week Last in Month.
Enter the desired time in the Start Hour of Day field.
Enter the desired time in the End Hour of Day field.
Enter the desired offset time in the Offset (minutes) field.
7.
Click Confirm to accept the change.
8.
To configure the time and date manually via web user interface:
Click on Setting->Date& Time.
1.
Select Manual Time from the pull-down list of Time Type.
2.
Enter the current date in the Date field.
3.
Enter the current time in the Time field.
4.
Select the desired value from the pull-down list of Time Format.
5.
Configuring System Settings
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