Carrier A180218C - Adjust Temperature (Permanent Hold); Adjusting Comfort Activities; Adjusting Heating

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3.1.2. Setup Time Zone
The time zone can be selected by selecting the set time zone from the menu. Then
select the time zone for the location. Time zones for both US and Canada are
included.
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3.1.3. Enable Time Synchronization
After setting up the time zone, the time synchronization can then be done, after
connection to the Internet server. Both setting the time zone and enabling time
synchronization must be done in order to enable time synchronization.