NAS BMA 120, Руководство по установке и эксплуатации

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BMA SERIES: INSTALLATION & OPERATION MANUAL PAGE 6
FRONT PANEL
1. Power Switch: Turns mains power on and off.
The round LED light surrounding the Master Volume control indicates the unit is on/off.
2. Level Indicator: To set for optimum working level normal signal should be kept under the 0dB.
The red +3dB will illuminate when signal is excessive.
3. Input 1 to Input 4: The selected Microphone or Line input level is controlled via these knobs.
4. Treble: Adjust the level to suit the required tone of the output. Increasing the treble may improve
intelligibility, decreasing the treble may reduce the onset of high frequency feedback.
5. Bass: Adjust the Bass level to suit the required tone of the output. Increasing Bass may make music
sound fuller, reducing the Bass in reverberant spaces may improve speech intelligibility.
6. Master level: Adjust the overall system volume to suit the environment and use of the system.