Samsung SCH-8500 - Manual (Page 120)

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Your Sprint PCS Phone includes both a Main menu and an
In-Use menu.
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The Main menu in Standby mode contains eight primary
options, all of which contain sub-menus (see “Your Phone’s
Main menu” on page 117).
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The In Use menu options are available in Talk mode:
1. (Un)Mute
2. 3-Way Call
3. Calls
4. Messages
5. Phone Book
6. Calendar
0. Version
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To access a menu option, press and then press the
scroll keys to scan menu options. Press the associated digit
key to select the desired option. If you know the number of
the option you want to select, simply press and then
press the associated digit key to select the desired option.
(You do not have to scroll through the list or display an
option in order to select it.)
Note: Closing the phone will return you to Standby mode
from any menu. Also, the phone will automatically return to
Standby mode from any menu if you don’t touch a key for 60
seconds.