
4000 Digital Series II Issue 1.4 Panel User Guide
STA0380 Page 5
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 and external sources,
conferences or IFBs.
3.2.3 Talk Tally LED
This Red LED indicates that the button action is active (either latched or transient), dependent on
individual programming/assignment. This LED will flash when the destination is busy if this feature is
enabled.
3.2.4 Listen Tally LED
This Green LED indicates that an audio is being received by the Control Panel from the source
associated with the DAK.
3.2.5 PD4215R Direct Access Key Indicator LED
The tri-coloured LEDs associated with the Direct Access Keys (DAKs) have the following meanings:
• Red (R) means “Talk” (key pressed).
• Green (G) means “Listen” (incoming audio from that source).
• Orange (O) means activity (a mix of Talk and Listen).
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 currently active key is deactivated and
the key pressed becomes active.
Table 2: PD4215R 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 Auto Listen A single DAK press causes a bi-directional audio route to
be made between the source panel and the destinations.
Often used between panels and external audio signals.
Talk & Forced Listen This is similar to Talk and Auto Listen except that the Lis-
ten route is permanently made. The operator need only
push the key to talk.
Table 1: PD4215R DAK Operation
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