Chapter
3
Operation
3-1
When the MKB Keyboard/Annunciator
Panel is installed, only the display, LEDs,
and display control keys are visible. The
ACKnowledge keys and other controls
are hidden behind a locked door. Unlock
and open the door to gain access to
those keys and controls.
The Display
The display has two lines of 40 charac-
ters each. What is shown on the
display depends on the state of the
System. The display contains a back
light which turns on automatically
when any key is depressed or an event
is reported. The back light turns off
automatically after 5 minutes of sys-
tem inactivity.
The System has several displays. When the System is Normal, it displays:
[time/date] SYSTEM
[system message] NORMAL
When a trouble event has been annunciated for example, the System alternates
between the following three displays:
[address][custom message] [ACK STATUS or BLANK]
[event number][device type]or[trouble type] [IN/0UT]
[address][type of device in trouble] [ACK STATUS or BLANK]
[event number] [time/date] [IN or 0UT]
ALARMS=nnn SUPERVISORY=nnn
TROUBLES=nnn SECURITY=nnn
Using The MKB*
Keyboard/Annunciator
Panel in Local Mode
* In this chapter, MKB
refers to all of the
following MKB models:
MKB-1, MKB-2, MKB-3,
and MKB-4.
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