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You see a screen like this:
4. Select the registry number you wish to assign to the group and press the OK button.
5. Use the numeric keypad to enter the group name (up to 30 characters), and press the OK button.
6. Use the numeric keypad to enter a word to use when searching for a group (up to 30 characters),
and press the OK button. (This field is optional.)
You see your contacts list.