Bosch Appliances 3.5 manual 8.2Controls, connectors and indicators, Front view, Rear view

Praesideo 3.5 Installation and User Instructions 4 Amplifiers

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8.2Controls, 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 gives information about the power amplifier (see section 8.6).

2Menu button - A turn-and-push button to navigate through the menu (see section 8.6).

3Monitoring headphones output - A 3.5 mm (0.14 inch) jack socket to connect headphones for audio monitoring purposes.

8.2.2 Rear view

The rear of the power amplifier (see figure 8.2) contains the following:

4Ground - A connection to electrically ground the power amplifier.

5Control 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).

6Audio inputs - Audio inputs for receiving audio signals from analog audio sources (see

section 8.3.6).

7Back-up power - A socket for connecting a back-up power supply (see section 8.3.8).

8Mains on/off switch - A switch to switch the mains of the power amplifier on and off (see section 8.3.2).

9Fuse holder - A fuse holder with a fuse that protects the power supply of the power amplifier (see section 8.3.2).

10System bus - Two system bus connectors to connect the power amplifier to other Praesideo equipment.

11Amplifier 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).

12Mains inlet - A mains socket to connect the power amplifier to the mains (see section 8.3.2).

13Signal Ground - A switch that connects the signal ground to the safety ground (see section 8.3.4).

14Voltage selector - A switch to select the local mains voltage (see section 8.3.2).

Bosch Security Systems 2011-02