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Front Panel
Ilustration 1: QX-240 Front View
1. Bay for adding music source (optional)
2. Graphic equalizer control (125Hz/250Hz/500Hz/1KHz/2KHz/4KHz/8KHz)
3. Protection, output level and power indicators.
4. Input channel volume control.
5. Master volume control.
6. All speaker zone output selector.
7. Individual speaker zone output selector.
8. Power switch.
9. Evacuation siren and pre annuncement chime switch.
10. Auxiliary input (idem CH6).
11. MIC input (idem CH1).
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