Bosch NBN-498-11P Operation Manual - Page 97
Audio Alarm
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Dinion2X IP Camera Advanced Mode | en 97 9.8.6 Audio Alarm Create alarms based on audio signals. Configure signal strengths and frequency ranges so that false alarms, for example, machine noise or background noise, are avoided. Set up normal audio transmission before configuring the audio alarm. Audio alarm Select On for the device to generate audio alarms. Name The name makes it easier to identify the alarm in extensive video monitoring systems, for example with the VIDOS and Bosch Video Management System programs. Enter a unique and clear name here. Signal Ranges Exclude particular signal ranges in order to avoid false alarms. For this reason the total signal is divided into 13 tonal ranges (mel scale). Check or uncheck the boxes below the graphic to include or exclude individual ranges. Threshold Set up the threshold on the basis of the signal visible in the graphic Set the threshold using the slide control or, alternatively, move the white line directly in the graphic using the mouse. Sensitivity Use this setting to adapt the sensitivity to the sound environment and effectively suppress individual signal peaks. A high value represents a high level of sensitivity. Bosch Security Systems Installation and Operation Manual AR18-10-B006 | v1.1 | 2010.06