
4000 Digital Series II Issue 1.4 Panel User Guide
STA0380 Page 145
The Direct Access Keys can be programmed with a range of attributes as set in the Configuration and
Master Assignment Programming System (CMAPSi) workstation software. The pushbutton attributes
are:
NOTE: For the above functions, the destination can be a single or group of panels, or a single or group
of external sources.
Table 43: PD4296MCI DAK Operation
Latch When a DAK is pressed and released, it latches in the
engaged position. Pressing the DAK again disengages it.
Non-Latch When a DAK is pressed and held depressed, it automatically
disengages when released.
Latch/Non-Latch A combination of the two above such that a quick press will
latch the button and a slow press will be the non-latch action.
Dual Talk/Listen When a DAK is momentary pressed, it makes a latched Lis-
ten Route. The DAK can then be pressed and held to make a
Talk Route at the same time, and released to unmake the
Talk Route. A second momentary press disengages the DAK
and the latched Listen Route.
Interlock Group A DAK can be assigned to any one of eight interlock groups
A - H. Within an interlock group only one DAK may be active
at any one time. If a DAK in a given group is pressed whilst
another DAK in the same group is already active the cur-
rently active key is deactivated and the key pressed
becomes active.
Table 44: PD4296MCI Pushbutton Attributes
Talk Only A single DAK press causes an audio route to be made
from the source panel to the desired destinations. Nor-
mally used for communication from one panel to another.
Listen Only A single DAK press causes an audio route to be made
from the destination. Used when listening to an external
audio signal (not originating from a Control Panel) is
required.
Talk and Listen A single DAK press causes a bi-directional audio route to
be made between the source panel and the destinations.
Used between panels and also with certain external audio
signals.
Talk & Forced
Listen
This is similar to Talk and Listen except that the Listen
route is permanently made. The operator need only press
the DAK to talk.
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