By default, automatic daylight-saving time is turned on. To use the manual daylight saving time setting:
Select Information.
The time and date settings of the unit are shown in the Time and date area.

Select Edit in the right top corner of the area:
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The time and date settings will open in editing mode:

Turn the automatic daylight saving time on or off using the On/Off button on the right side of the Daylight saving time text.
When the value is On, the automatic daylight saving time is turned on.
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When the value is Off, the manual daylight saving time is turned on.
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Select OK:
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