Karel FT10, Техническое описание и руководство пользователя

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9
USER INTERFACE
DISPLAY
Information presentation display is of four lines with 20 characters. The following
information that facilitates usage is present on the LCD display, which indicates the
active features of the telephone and the functions of the flexible keys at that moment:
• Date, time
• Entry to the menu options, phone book
• Activated services (such as Auto-dial, Follow Me and Redial)
• Call information [FT10] (Incoming Call Extension 121, Missed Call E 121 1/01)
[FT20] (Incoming Call Extension 1444, Missed Call E 1444 1/01)
• Action options that can be taken for the active call and service
[FT10] (Such as Redial / Call, Missed Call E 113 Details?)
[FT20] (Such as Redial / Call, Missed Call E 1444 / Details?)
DISPLAY KEYS
These keys are located below the display and they play an important role in usage of
FT10/20.
Actions that can be carried out and/or information that can be received by a user while:
- a call / conversation is being made
- the telephone is being programmed
- the telephone is on hook
are presented through the display. In order to carry out these actions and/or access
that information, the keys are pressed according to the options on the display.
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 on 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 at the top of the
display at that moment. For instance, for
FT10, the options “menu” and “phone book”
appear on the display of the telephone during off-hook status, above these keys. Any
desired option could be confirmed through these keys and access to submenus is
provided. Function of the selection keys change according to the options prompted on
the display.