Bosch PRS-1AIP1 Service Manual download pdf (Page 24)

Audio Settings

The Audio Settings are used to set all available audio input and output parameters.

Figure 6.7: Audio Settings screen example

Audio inputs

Default: In 2, Line

For dual channel mode (MPEG encoding only), select input In 1 + In 2, Line.

To use a microphone, select In 1, Microphone. If a microphone input is selected, you can set

the microphone type to Dynamic or Condenser. The phantom power supply for the microphone

is automatically switched on when Condenser is selected.

Microphone supervision

Default: unchecked (disabled)

You can check the Supervision check box to enable microphone supervision.

Supervision of dynamic microphones is by measuring its impedance, supervision of a

condenser microphone is by measuring its current consumption. When a supervised

microphone gets disconnected or becomes defect a fault event is generated. This is visible on

the STATUS page, see Status page, page 39.

Microphone gain

Default: 0 dBYou can adjust the gain of the microphone input (0...22.5 dB) to adapt it to the

microphone that is used.

6.2.6

24 en | Configuration IP Audio Interface

2013.03 | V2.0 | Operating Manual Bosch Security Systems B.V.

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Bosch PRS-1AIP1 Service Manual Page 24