I/O AND CONTROL OPERATIONS
MAINS IN -
Powercon® NAC3FCA power input connector (blue). To switch the amplifier on,
insert the Powercon® connector and turn it clockwise into the ON position. To switch the
amplifier off, pull back the switch on the connector and turn it counter-clockwise into the
POWER OFF position.
WARNING!
In the case of product failure or fuse replacement, disconnect the unit
completely from the mains power. The power cable must be only connected to a
socket corresponding to the specifications indicated on the amplifier unit. The power
supply must be protected by a suitably rated thermo-magnetic breaker.
Preferably
use a suitable switch to power on the whole audio system leaving the Powercon®
always connected to each speaker, this simple trick extend the life of the Powercon®
connectors.
MAINS OUT -
Powercon®
NAC3FCB power output
connector (grey). This is
connected in parallel with the
MAINS ~ / IN. The maximum
load applicable depends on
the mains voltage. With 230V~
we suggest to link a maximum
of 5 AX1012A loudspeakers,
with 120V~ we suggest to link
a maximum of 3 AX1012A
loudspeaker.
INPUT -
Audio signal input
with locking XLR connector.
It has a fully electronically
balanced circuitry including
AD conversion for the best S/N
ratio and input headroom.
LINK -
A direct connection
from the input connector to
link other speakers with same
audio signal.
ON -
This LED indicates power
on status.
SIGN/LIMIT -
This LED lights in green to indicate the presence of the signal and lights in red when an internal limiter reduces the input level.
GND LIFT -
This switch lift the ground of the balanced audio inputs from the earth-ground of the module.
PRESET BUTTON -
This button has two functions:
1)
Pressing it while powering on the unit:
ID ASSIGN
the internal DSP assigns a new ID to the unit for the PRONET remote control operation. Each loudspeaker must have a unique
ID to be visible in the PRONET network. When you assign a new ID, all the other loudspeakers with the ID already assigned
must be ON and connected to the network.
2)
Pressing it with the unit ON you can select the DSP PRESET. The selected PRESET is indicated by the corresponding LED:
SINGLE
Suited for a typical use of a single loudspeaker on a pole, standalone or in combination with a subwoofer, or in a front fill
application.
MID-THROW
Suited for the use of the loudspeakers in an array configuration when the distance between the array centre and the audience
area is about 25mt or less.
LONG THROW
Suited for the use of the loudspeakers in an array configuration when the distance between the array centre and the audience
area is about 40mt.
USER
This LED lights when the USER PRESET is loaded. This preset corresponds to USER MEMORY no. 1 of the DSP and, as a factory
setting, it’s the same as SINGLE. If you want to modify it, you must connect the unit to a PC, edit the parameters with PRONET
AX control software and save the PRESET in the USER MEMORY no. 1.
Note: see also the PRONET AX example further in this
manual.
IMPORTANT NOTE: The AX1012A system is conceived as a CONSTANT CURVATURE ARRAYS loudspeaker so ALL AX1012A units that belong
to the same array must be have the same PRESET to work well together.
NETWORK IN/OUT -
These are a standard RJ45 CAT5 connectors (with optional NEUTRIK NE8MC RJ45 cable connector carrier), used for PRONET
network transmission of remote control data over long distance or multiple unit applications.
TERMINATE -
In a PRONET network the last loudspeaker device must be terminated (with an inner load resistance) especially in a long run cabling:
press this switch if you want to terminate the unit.
