User manual

4.0 FRONT PANEL CONTROLS & CONNECTOR

9 GOOSENECK MICROPHONE 10 LOUDSPEAKER

A high quality electret noise canceling microphone. A high quality loudspeaker driven by a 3.5 Watt

A limiter prevents the microphone preamplifier from amplifier.

clipping when speaking close into the microphone. The speaker is automatically disabled when a headset

The gooseneck microphone is automatically disabled is used.

when a headset is used.

5.0 SIDE PANEL CONNECTORS

11 LINE connector channel A

12 LINE connector channel B

These XLR-3 connectors are for connecting the

PS 230 to the intercom system.

Pin assignments :

1. 0 V / ground shield

2. +30 V power wire

3. audio wire

6.0 INTERNAL CONTROLS

Inside the unit there are two trimmers to adjust the mic

gain of the gooseneck microphone and the headset

microphone separately.

These internal trimmers can be reached as follows : The two trimmers are labeled :

- remove the screws of the bottom plate. GOOSE for the gooseneck microphone

- slide the plate to one side and take it out. HEADS for the headset microphone.

- take away the plastic isolation plate.