Bosch 3.5 User Manual
Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers
en | 134
8.2 Controls,
connectors
and
indicators
8.2.1 Front view
The front of the power amplifier (see figure 8.2) contains
the following:
1 Menu display - A 2x16 character LCD display
the following:
1 Menu display - A 2x16 character LCD display
gives information about the power amplifier (see
section 8.6).
section 8.6).
2 Menu button - A turn-and-push button to navigate
through the menu (see section 8.6).
3 Monitoring headphones output - A 3.5 mm
(0.14 inch) jack socket to connect headphones for
audio monitoring purposes.
audio monitoring purposes.
8.2.2 Rear view
The rear of the power amplifier (see figure 8.2) contains
the following:
4 Ground - A connection to electrically ground the
the following:
4 Ground - A connection to electrically ground the
power amplifier.
5 Control inputs - The control inputs can be used to
receive signals from third party equipment that must
trigger actions in the Praesideo network (see
section 8.3.7).
trigger actions in the Praesideo network (see
section 8.3.7).
6 Audio inputs - Audio inputs for receiving audio
signals from analog audio sources (see
section 8.3.6).
section 8.3.6).
7 Back-up power - A socket for connecting a
back-up power supply (see section 8.3.8).
8 Mains on/off switch - A switch to switch the
mains of the power amplifier on and off (see
section 8.3.2).
section 8.3.2).
9 Fuse holder - A fuse holder with a fuse that
protects the power supply of the power amplifier (see
section 8.3.2).
section 8.3.2).
10 System bus - Two system bus connectors to
connect the power amplifier to other Praesideo
equipment.
equipment.
11 Amplifier channels - Each power amplifier unit
contains 1 to 8 completely separated and
configurable amplifier channels. The number of
amplifier channels depends on the type of power
amplifier (see section 8.3.5).
configurable amplifier channels. The number of
amplifier channels depends on the type of power
amplifier (see section 8.3.5).
12 Mains inlet - A mains socket to connect the power
amplifier to the mains (see section 8.3.2).
13 Signal Ground - A switch that connects the signal
ground to the safety ground (see section 8.3.4).
14 Voltage selector - A switch to select the local
mains voltage (see section 8.3.2).