PRAESENSA Configure the system | en 49
Bosch Security Systems B.V. Configuration manual 2020-09 | V1.20 | PRAESENSA 1.20
Audio outputs
1. Click the + of the Audio outputs category row:
– All available amplifier audio outputs are listed.
2. Select, enable or disable each of the following items:
Item Value Description
Amplifier [#01‑#nn] Enable / Disable Unique name for each audio output channel.
Each output can be enabled or disabled using
the checkbox.
Disable results in no audio routing via the
disabled output channel.
Supervision (per amplifier channel)
Supervision of the amplifier channel, loudspeaker line and overload.
Amplifier channel Enable / Disable Enable: amplifier channel faults and output
signal losses will be indicated by the
amplifier front/rear panel indicator(s) (see
indicator tables at the end of this section),
Diagnose, page 105
and
Optional: Using the
Logging Viewer, page 125
Loudspeaker line Enable / Disable Enabled plus an EOL device (PRA-EOL)
connected, a disconnection of the
loudspeaker line (including loudspeaker and
connections) will be indicated by the
amplifier front/rear panel indicator(s) (see
indicator tables at the end of this section),
Diagnose, page 105
and
Optional: Using the
Logging Viewer, page 125
Overload Enable / Disable Enable: an amplifier output channel overload
will be indicated by the amplifier front/rear
panel indicator(s) (see indicator tables at the
end of this section),
Diagnose, page 105
and
Optional: Using the Logging Viewer, page 125
Load connection Selection
(by default
Single)
Single (A only): Select when only output A is
connected with loudspeaker load.
Dual (A and B): Select when both output A
and B are connected with loudspeaker load
(A/B wiring). When supervision is enabled the
first fault on output A or B will be detected.
Secondary faults will be ignored.
Loop (A to B): Select when output A and B
are redundant connected with loudspeaker
load. In this case a loudspeaker will be fed
from the other side when e.g. a cable is
broken (Class‑A). When supervision is
enabled the first fault on output A or B will be
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