System Configuration 331
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Amplifier: Indicate a row is related to a normal amplifier of a zone.
Caption: Indicate the caption of amplifier channel.
Monitor: Enable/Disable the normal amplifier monitoring for the selected zone. If the monitoring of
a normal amplifier is disabled, the IDA8C-SW will not detect faults of the normal amplifiers.
Tolerance(%): Specify the tolerance of impedance to detect a bad impedance fault. For example, if
the reference is 1000 ohm and the tolerance is set to 15%, the range of good impedance will be
850 ~ 1150 ohm. If measured impedance value is 1300 ohm, a bad impedance fault is recognized
by the IDA8C/S.
Global Tolerance: Click to change the tolerance setting on [Tolerance%] grid for all the zones of
impedance value, which connected to all of the IDA8 processors. If the zone is not been selected
on [Global Tolerance] grid, the tolerance value will not change.
Get Reference: When the system is constructed, the user needs to get the impedance value of
the speaker for further reference. This value will be utilized to detect faults of zones. The rule of
fault detection is described in preview item "Tolerance(%)".
Reset Reference: Reset the reference value to empty, resulting in the disabling of zone monitoring,
but the measure value is still updated.
There are buttons on the right side of the page [Zone Settings]:
Get All Reference: Get the reference of gain value from the selected IDA8 processor.
Global Get Reference: Get all the reference of impedance value on all the IDA8 processors.
Reset All Reference: Reset the reference of impedance value from the selected IDA8
processor.
Global Reset All Reference: Reset all the reference of impedance value on all the IDA8
processors.
Reset Monitoring: This will tell the IDA8C/S to reset the monitoring and to initialize the state of
the devices. In the case of zone short fault or leakage relay open, the IDA8C/S will open the
internal relay to stop the output of the audio signal to speaker. After the relay is opened, the
IDA8C/S has no way to know if the circuit outside has a short or not. Therefore, after the user
repairs the circuit, the user needs to reset the monitoring to close the relay to the output audio
signal to the speaker again, so that the IDA8C/S can monitor the short problem again.
Global Reset Monitoring: Reset the monitoring function on all the IDA8 processors.
Measurement:
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