When connected to the network, your device knows the Coordinated Universal Time, or UTC. (Note that UTC is also known as Greenwich Mean Time, or GMT.) UTC reflects the mean solar time along the Earth's prime meridian. The prime meridian is arbitrarily based on the meridian that runs through the Greenwich Observatory outside London, where the present system originated.

To set your device time correctly, you must select your time zone. Note that you cannot change the Date and Time field settings unless you are disconnected from the network

. To open the Date & Time screen, from the Jump screen, press MENU then select Settings > Date & Time.

1. To open the Time Zone pop-up menu, roll the TRACKBALL to highlight the menu, then press to open it. Use the TRACKBALL to highlight the time zone you want your device to reflect, then press to select it.
   
   
2. You can set the time format displayed on your device from the Format pop-up menu. Select from either 12-hour or 24-hour clock formats.
   
   
3. Press DONE to save your settings.
   
   

Override System Date & Time Settings

If you are not connected to the network, you can override the system-set date and time settings by doing the following:

1. On the Date & Time Settings screen, highlight either the date or time field then press the TRACKBALL to activate the pop-up date selector. The first selectable field expands into a pop-up.
   
   
   
2. Roll the TRACKBALL until you see the correct value, or simply type it.
   
   
3. To select the value, press the TRACKBALL. The date selector collapses.
   
   
4. Roll the TRACKBALL to move to the next selectable field, then press to open the date selector.
   
   
   
5. Proceed until all fields are set as you wish.
   
   
6. Press DONE to save your settings.
   
   
   

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