Clipsal 560884 Manual del usuario - Página 13
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Troubleshooting
Symptom
The Matrix Switcher no longer
responds to button presses.
Dynamic labels don't work on
a C-Bus DLT wall switch.
An Amplifier emits a high
pitched screeching sound
when a particular source is
selected.
The Matrix Switcher does not
power up.
Audio is not broadcast via the
Matrix Switcher's high priority
(HI) broadcast input.
Cannot hear any sound when
using the optical input
Possible Explanation
Switch the Matrix Switcher off for
several seconds, then on. Use the
power switch on the rear of the Matrix
Switcher, next to the AC power socket.
There are several options which need
to be selected for labels to function.
These options are located:
• on the More panel accessed by
clicking the "More...." button on
the Amplifier's C-Bus Control tab in
Toolkit
• on the DLT wall switch's Global tab
in Toolkit
• on the Zones branch of the Project
tree in the MARPA software.
This may occur if an output of an
Amplifier is connected to the input of
the Matrix Switcher. Such a connection
should be avoided as it can cause a
feedback loop.
The fuse may need replacing. Fuse
replacement is described on Page 11.
The level of the audio connected to the
broadcast input may not be sufficient
to trigger the broadcast.
The digital audio source may be
connected to the optical output instead
of the input. Some digital audio formats
(such as surround sound) are in-
compatible with the MRA system.
User's Guide
13