
4000 Digital Series II Issue 1.4 Panel User Guide
STA0380 Page 87
Pressing the Main Volume Control invokes loudspeaker cut. The green LED above the Reply Key is
illuminated while the loudspeaker is cut.
4.7.11 Reply Key
This DAK is designated to respond to any unscheduled calls. The green LCD indicator on the REPLY
Key only flashes to signal the presence of an unscheduled call, when a DAK is unavailable, (i.e. to
indicate that the call can only be responded to by the Reply Key).
The Reply Key can only respond to the call mnemonic displayed. All other incoming calls are placed in
a queue and have to be accessed in turn. The latest call is placed at the front of the queue. The maximum
number of calls in this queue is ten.
If the DAK is used to respond to a call, then the Reply Key displays the next call in the queue.
4.7.12 Direct Access Key (DAK)
The 4000 Series LCD Key Panels have Direct Access Key (DAK) pushbuttons. These DAKs are used
to make Listen and/or Talk routes to and from the Control Panel or other audio connections. The DAK
can also be assigned to trigger a control event from either the Control Panel or the matrix.
The pushbutton operation is selectable from a range of options and set via the Configuration and Master
Assignment Programming System (CMAPSi) workstation software. The pushbutton actions include:
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