Montarbo NETTUNO 20 Serie Manual De Uso página 27

The USB SERVICE DATA connection is to be used exclusively for updating the
product's firmware; do not connect any other USB device to the unit to avoid the
risk of damage and malfunction.
8 MAIN STATUS LEDS
The LEDs provide an immediate indication of the speaker status, in accordance with
the logic summarised in the table below.
NETTUNO 20
Power up
COMPRESSION
Use
LIMITER STATUS
Partial
malfunction
Total malfunction CYCLIC FLASHING
9 LEVEL
Rotary selector to set the system sound level to 0, +3, +6, -3, -6, -9, -12, -∞ dB.
10 USER/SERVICE
Press this button to use speaker acoustic parameters stored previously.
CAUTION!
Protect the unit from humidity.
„
Do not attempt to open the amplifier.
„
In the event of malfunction, immediately turn off the power, disconnect
the module from the mains and contact an authorised service centre
Limiter Signal
OFF
SIGNAL OUTPUT
STATUS
ACTIVE ACTIVE
Status
STEADILY LIT FOR
OFF
A FEW SECONDS
OFF
CYCLIC FLASHING
OFF STEADILY LIT
user manual
On
OFF
STEADILY LIT
STEADILY LIT
OFF
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