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If problems occur...
114
If problems occur...
A central unit does not work
If a central unit cannot be turned on and the subsequent consoles are not
powered, the central unit’s built-in fuse has probably blown.
̈ Have an electronics expert eliminate the cause for the blown fuse.
̈ Have an electronics expert replace the faulty fuse with a new one (5 x
20 mm, 3.15 AT).
A console does not work
̈ Make sure that the system cables between the central unit and the con-
sole are not defective and that the system cables are connected cor-
rectly.
̈ Make sure that the central unit is connected to the mains and that it is
turned on.
Only the microphone of the chairman unit can be activated
̈ Make sure that the max. number of simultaneously active microphones
is set to at least “1” (see “Setting the speaker limit” on page 88).
No audio signal can be heard through the consoles’ built-in loudspeakers
If no external equalizer is connected:
̈ Make sure that in the central unit’s operating menu, the status of the
external equalizer is set to “
OFF“ (see “Turning on/off an external
equalizer” on page 107).
If an external equalizer is connected:
̈ Make sure that the external equalizer is connected correctly.
̈ Make sure that the external equlaizer is turned on.
̈ Make sure that in the central unit’s operating menu, the status of the
external equalizer is set to “
ON“ (see “Turning on/off an external equal-
izer” on page 107).