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GENERAL OPERATION
16
Backlight Operation
The display and keypad backlight can be controlled by the BACK-
LIGHT menu parameter (see page 38). The three states that can be
selected are Bright, Dim, and Off. If this menu parameter is not select-
able, the backlight is fixed in one of these states by programming.
System/Group Display Information
The currently selected system and group are displayed using either a
Numeric or Alpha Tag display mode. The display mode is selectable if
the S/G DISPL menu parameter is available (see page 32). Otherwise, it
is fixed in one of these modes by programming. These modes function as
follows:
Numeric Mode
- In the numeric mode, the selected system and group
numbers are displayed on the top line as Sxx and Gxx, and the group
alpha tag is displayed on the bottom line. For example, System 1, Group
2 (CAR 220) is displayed as follows. The system alpha tag is not
displayed in this mode.
Numeric Display Mode
Alpha Tag Mode
- In the alpha tag mode, the system alpha tag is
displayed on the top line and the group alpha tag is displayed on the
bottom line. For example, a “SECURITY” system and “CAR 220” group
are displayed as follows. The system and group numbers are not
displayed in this mode.
Alpha Tag Display Mode
System Number
Group Number
Group Alpha Tag
System Alpha Tag
Group Alpha Tag