AMC MMA-240 Manuale d'uso - Pagina 14

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1. Table of Contents
2. Precautions
3. Before You Start
4. Front Panel
5. Rear Panel
6. Installation
7. Wire Connectors
8. Connections
9. Adjusting Amplifier
10. Block Diagram
11. Technical Data

Preannounce chime

MMA series mixer-amplifier supply user selectable 4 kinds of preannounce chime.

The way of set up is same as follow figure.

Above figure shows default factory setup. Pre-announce chime type could be changed by changing

jumper position on a T3.

Priority

This function allows talk over for MIC channel 1 and 2.

While this function is activated all other input signals are muted.

Figure shows the priority switches and its "ON" and "OFF" positions.

Phantom power

MMA series mixer-amplifier supply DC + 15 Volts phantom power

to use condenser microphone with MIC 1 and 2 channels.

Figure shows the phantom power switches and its "ON" and

"OFF" positions.