875. Use the Down Navigation key to move to the # paying field to change thenumber of people contributing to the tip amount.6. The You pay field displays what each individual is to pay.World TimeThis feature allows you to find out what time it is another part of world, using theLeft and Right Navigation keys.There are two time lines available. You can set the first setting to your home city andthen use the second setting to check other city times.Press the Options soft key for the following options:• Save: this allows you to save your world time settings.• Set daylight saving time: use the key to place a checkmark next to the citiesthat you want to set daylight savings time. Each city listed represents a time zone.• Change Home Zone: use this menu to set the default time zone you wish to use tomeasure other time zones.SynchronizationThis feature allows you to back up (synchronize) Contact information, Calendar, andTasks stored on your phone with your T-Mobile account on the network. Each timeyou edit contact information your phone automatically synchronizes with the webAddress Book.Important!: Synchronization is a free service offered to T-Mobile customers.For more information, refer to "Synchronization" on page 111.Synchronizing your PhonebookThis feature allows you to back up (synchronize) your Phonebook information storedon your handset with your T-Mobile account on the network.Phonebook is wirelessly synchronized on your device using Microsoft ExchangeServer and ActiveSync.Note: For more information, refer to "Synchronization" on page 111.To synchronize your Phonebook with the TMobile network:1. In Idle mode, press the Menu soft key.2. Scroll to Fun & Apps and press the Select soft key or the key.3. Select Organizer and press the Select soft key or the key.