IDA8 Global-Net User Manual318
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1. 25V/70V/100V: An Audio signal through the amplifier and back to the IDA8C/S.
2. 0dB: Instead of going through the amplifier and back to the IDA8C/S, the audio will output
to other equipment and monitoring is disabled under this mode.
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.
Functions on the right side of [Zone Settings] page:
Get All Reference: Get the reference of gain value on 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 on 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.
Get all Measures: Get the current value of Measure A&B (usually for 1K Tone) on the selected
IDA8 processor.
Global Get All Measures: Get all the reference value of Measures A&B on all the IDA8
processors.
Measurement:
After parameter settings are set in the grid at the lower part, the IDA8C/S starts to measure the
value which is received from the internal circuit, and displays it on the grid at the upper part of
the window:
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