
5
These keys are used for accepting or declining the alternatives presented to the user
on the display at that moment, or they are used for accessing new alternatives.
Functions that will be activated by those keys or title of the information to be accessed
are indicated on the display. Such a display will be actualized only if there exists a
function programmed for the key or information to be accessed through the key. For
example, if there are options not more than two, then the navigation keys do not
function.
Selection Keys:
They are used for confirming and activating the case indicated right on the screen at
that moment. Function of the selection keys change according to the options prompted
on the display.
Navigation Keys
:
While in programming mode, the left navigation key provides access to the previous
main menu if it is pressed on main menus, and if it is pressed on submenus, then the
entire options in that submenu are displayed. Starting from the first submenu down to
the last one, the entire options can be easily reached; moreover, one goes back to the
first submenu again after the last one, without exiting to the main menu. However, if the
“Exit” option is confirmed through the related selection key, then one goes back to the
main menu, where those options are located. While making changes in the content of
the phone book, as the cursor shifts one digit back, the entry is erased by one
character on each move.
Through the right navigation
key, one proceeds to the next option or message from the
entire main menus and submenus. The entire main menus starting from the first one
down to the last are displayed and then one returns to the first main menu again, after
the last menu. It is also possible to browse the submenus, once one has a made a
selection in the main menu and has proceeded to the submenus.
Содержание ST30
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