IDA8 Global-Net User Manual354
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Min/Max Gain: The minimum/maximum level compensation.
Sampling Time: Determine the period of time between the two ambient noise measurements.
White Noise Level: The level which is automatically adjusted in the calibration process.
Noise Threshold: The measurement of background noise level when the Calibration button is
enabled.
Calibration: Start the automatic calibration.
Calibration proceeding: light up in red.
Calibration succeeded: light up in green.
Over/Under: Indicate the calibration result which White Noise Level is over/under the range now.
AR Time: The attack/release time.
Paging Activity: Light up when the paging is activated.
Response Speed: Select the speed reaction of A.N.G., the speed of adapting the P.M. audio level
depends on the ambient noise.
Decrease/Increase Zone: Indicate the AGC gain is decreasing/increasing.
Dead/Fast Increase Zone: Indicate the AGC is not changing/is increasing fast.
Sensing Mic Level: Display the input level of sensing microphone.
C/Sensing Mic Level: Display the input level of sensing microphone after the internal calibration
function.
Output Level: Display the output level.
Differential Level: The difference level between the Output level and the C/Sensing Mic level.
IP: Set the IP address of [Master DNM-ENET].
6.2.6 Ducker/Ducker Stereo
The Ducker is a type of switch, allowing to automatically attenuate or switch off the signal before
sending to input A channel (pin) when the chosen level (in dB) is perceived in input S channel (pin).
A typical application is paging over background music: A ducker senses the presence of audio from
a XLR microphone and triggers a reduction in the output level of the music signal for the duration of
the paging signal. It restores the original level once the paging is over.
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