Function Description - Bosch PRAESENSA PRA-SCL Configuration Manual

88 en | Configure the system
5.7.3

Function description

The following topics describe the meaning of the available functions which could be selected.
Besides of the operation, and depending of the chosen function, other credentials could be
selected or entered per function as described following. For control inputs each function has
the possibility to configure the activation with options: Contact make or Contact break.
Press-to-Talk (PTT) > (CS)
This function can be assigned to PTT buttons.
Using the Press‑to‑Talk (PTT) function, an announcement with a predefined priority based on a
call definition can be started in one or more selected zones or zone groups. When the
activator of a PTT function is released, the announcement is stopped after completion of the
running phase of the announcement.
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Make announcement > (CSE, SC (VCI), MPS)
This function can be assigned to buttons and/or (virtual) control inputs.
Using the Make announcement function, an announcement with a predefined priority based on
a call definition can be started in one or more selected zones or zone groups. When the
activator of a Make announcement function is released, the announcement is aborted or
stopped depending on the selected operation.
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Select zone(s) > (CSE)
This function can be assigned to buttons. The button is used to activate and route audio to the
selected Zone(s)/Zone groups.
Using a Zone selection button, one or more zones and/or one or more zone groups can be
selected.
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Start phased announcement > (CSE, MPS)
This function can be assigned to buttons and/or control inputs.
The Start phased announcement function is intended for making emergency announcements
for phased evacuation. The Start phased announcement function starts an announcement,
based on a call definition, in a pre‑defined zone or zone group. The priority of the
announcement is the same as the priority of the call definition and cannot be changed.
2020-09 | V1.20 | PRAESENSA 1.20
Configuring a PTT function is similar to configuring a Make announcement function.
The PTT button of call stations is linked to the status LCD and LEDs.
Select: Operation.
If more than one action (up to a maximum of 5) is configured for a Make announcement,
then also multiple sets of call definition, priority and zones can be configured here.
Select: Operation, Call definition, Priority, Zone/Zone groups.
Add/remove (><): Zone(s) / Zone groups.
– Zone selection is done via two table boxes, the left one showing the available zones,
the right one the selected zones.
Select: Operation, Call definition, Zone/Zone groups.
Add/remove (><): Zone(s) / Zone groups.
– Zone selection is done via two table boxes, the left one showing the available zones,
the right one the selected zones.
Enable/disable BGM channel selection. Selects which BGM channel could be selected to
run on this zone/zone group selected via the call station display BGM tile.
Configuration manual
PRAESENSA
Bosch Security Systems B.V.