Bosch Appliances 3.5 manual 10.2Controls, connections and indicators, Front, Rear

Praesideo 3.5 Installation and User Instructions 4 Amplifiers

10.2Controls, connections and indicators

10.2.1 Front

The front view of the basic amplifier (see figure 10.2) contains the following:

1 Mains status - Shows the status of the mains power connection and supply (see section 10.6).

2 Battery status - Shows the status of the battery back-up supply (see section 10.6).

3Amplifier status - Shows the audio level and status of each audio output channel (see section 10.6).

10.2.2 Rear

The rear of the basic amplifier (see figure 10.2) contains the following:

4Audio in - Local audio input (see section 10.3.6).

5 Sensitivity control - Potentiometer for the local audio input volume (see section 10.3.6).

6 MCI - 2 x RJ45 - 8 pin Multi channel interface connection (see section 10.3.3).

7 Spare In - Spare switching input from a spare amplifier channel (see section 10.3.5.3).

8 LSP out - A and B outputs to loudspeakers (see section 10.3.5).

9 Supervision - Mains and battery supervision.

10 Signal Ground - A switch that connects the signal ground to the safety ground (see section 10.3.4).

11 Back-up power - A socket for connecting a

back-up power supply (see section 10.3.7).

12 Mains inlet - A mains socket to connect the

amplifier to the mains (see section 10.3.2).

13 Voltage selector - A switch to select the local mains voltage (see section 10.3.2).

14 Ground - A connector to electrically ground the unit (see section 10.3.4).

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Bosch Security Systems 2011-02