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ENGLISH
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1
MU 7100EN FRONT PANEL
1
USB (B) port for PC link. Used for system programming and administration.
2
Input signal indicators (1 per channel). A blue LED indicates the audio signal presence
in the respective channel, a red LED instead indicates a too high input signal level.
3
ON / ‘stand-by’ button and its status indicator. If the operation of this button is
allowed, it switches the system ON / ‘stand-by’ mode.
When necessary (only): push and hold this button for more than 5 seconds to
reset the unit.
In normal operation (without any system faults), the four blue corner
LEDs are steady lit.
When in stand-by mode, the blue LEDs are blinking.
In case monitoring of the system is in use and one or more faults are
detected, the blue LEDs are turned off and four yellow ‘fault’ LEDs
start blinking.
When one or more system faults have been detected, on ‘stand-by’
mode yellow ‘fault’ LEDs are steady lit and the blue ones are blinking.
When all system faults are cleared, yellow ‘fault’ LEDs are turned off.
Faults can be cleared through BM 7608, BM 7608D, BM 7608DFM, BM 7624D paging
consoles having proper rights or alternatively by using a PC connected to a main unit.
4
Amplifier output / loudspeaker line fault indicators
Each blue LED indicates the audio signal presence in its respective loudspeaker line.
Note: the indicator operation has been made slow intentionally; in case of signal absence,
a blue LED may still glow for several seconds.
If the amplifier monitoring and loudspeaker line operation is in use, the
possible fault in any line is indicated by a yellow LED.
