User`s guide

4-4 Display Terminals
Keypad
Figure 4-2 shows the layout of the sealed membrane keypad:
dxtk_9
esc
Figure 4-2: Keypad
Table 4-2 describes the keypad keys and symbols, and Table 4-3
describes the Light-Emitting Diode (LED) indicator located in the
center of the keypad.
Table 4-2: Keypad Keys
Name Symbol Description
Up/Down
Move between lines on a page, for example, to move
the selection bar through different items in a menu.
Page Up/
Page Down
Scroll between pages if more than one screen of
information is available for the selected function. This
is indicated by the prompt More... in the bottom right
hand corner of the screen.
Plus /
Minus
Change values (increased or decreased) while in edit
mode. If either of the keys is held down, then the
auto-repeat function obtains the value you require
without having to use multiple keystrokes.
Escape
esc
Leave or abort a menu/submenu or adjust/command
procedure.
Enter
Confirm an action, for example, when choosing a
menu option or commanding/adjusting a value.
Table 4-3: Keypad Indicator
Name Symbol Description
Alarm
Indicator
!
In addition to the audible alarm, a red LED positioned
above this symbol in the center of the keyboard
membrane indicates whether alarms are present in
the monitored system, as follows:
Flashing At least one unacknowledged alarm
Steady On Alarms are present but all have been
acknowledged.
Off No alarms