Configuration
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Clear fault: Clear the fault state on the amplifiers of local net.
Amplifier: Indicate the internal or external amplifier.
Enable: Enable/disable the amplifier monitoring. If the monitoring of amplifier is disable, the
main controller/secondary unit will not detect the faults of amplifiers.
Tolerance(%)---ADJ.: Define the value of the tolerance wherein the measured gain of amplifier
has to stay before generating a fault state.
o
: Set the tolerance of gain value via arrow up/down button.
o
Synchronized adjustment: If the zones enable this option, their tolerance value will be
adjusted synchronously.
GET: When the system is constructed, users needs to get the gain value for further reference.
This value will be utilized to detect faults of zones.
Clear: Clear the reference value. This will disable the amplifier monitoring, but the measured
value is still updated.
Ref. gain (no load): Display the value of an unloaded reference, which the value is the gain of
an amplifier when there is no load to the zone. This value is used to determine if there is a
fault of amplifier.
Ref gain (loaded): Display the value of a full loaded reference, which the value is the gain of an
amplifier when there is a full load to the zone. This value is used to determine if there is a fault
of amplifier.
Gain (realtime): Display the measured value of the current gain of an amplifier.
5.1.11.3.2 Faults
Amplifier gain too high: If the measurement > (Unloaded Reference x (100% + Tolerance%)), the
[Amplifier Gain Too High] fault is recognized by the system.
Amplifier gain too low: If the measurement < (Full Unloaded Reference x (100% - Tolerance%)), an
[Amplifier Gain Too Low] fault is recognized by the system.
Amplifier fail: If the measurement < (Unloaded Reference / 10), an fault is recognized by the
system.
Gain rating too low: If the measurement of ref. gain is too low while getting the references, the
[Rating Too Low] fault is recognized by the system.
See
to know more about the troubleshooting.
5.1.11.4 Leakage
Amplifier: Indicate the internal amplifier/external amplifier/VO3 channel.
Note:
The VO3 is the channel that only generates the pilot tone in case no amplifier channel
is in used.