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7
ENGLISH
BEFORE TURNING ON
THE SPEAKER
TURNING ON
THE SPEAKER
HOT GND
BAL. XLR
COLD
CONNECTIONS
The XLR connectors use the following AES standard:
PIN 1 = GROUND (SHIELD)
PIN 2 = HOT (+)
PIN 3 = COLD (-)
On the back panel you will find all the controls, the signal and current inputs. In case
is necessary to change the voltage please call your vendor or authorized RCF SERVICE
CENTRE. This operation require the substitution of the fuse value and is reserved to an RCF
SERVICE CENTRE.
At this point you can connect the power supply cable and the signal cable, but before
turning on the speaker make sure that the volume control is at the minimum level (even
on the mixer output). It is important that the mixer is already ON before turning on the
speaker. This will avoid damage to the speakers and noisy “bumps” due to turning on parts
on the audio chain. It is a good practice to always turn on speakers at last and turn them
off immediately after the show.
Now you can turn ON the speaker and adjust the volume control to a proper level.
The amplifiers are equipped with a microprocessor to control the DSP and the amplifier. The
correct switch on of the amplifier is ensured by an initialisation procedure; during this test
stage the LEDS (Limiter, Signal and Power Status), located on the amplifier module, remain
off for approx. 2 sec. At the end of the switch on procedure on the amplifier module the
Ready green LED only remains steadily on.
In case of severe failure of the speaker, the LED on the front panel flashes several times and
on the amplifier module, the Limiter red LED flashes. The speaker switches to “mute”.
A 35 MM socket for mounting the loudspeaker on a speaker stand is provided in the
bottom of the cabinet.
PowerCon plug is used to disconnect device from MAIN power. This device shall remain
readily accessible after the installation.
WARNING: Never suspend NX speakers by there handles. Handles are intended for
transportation, not for rigging.
INSTALLATION
FAILURE INDICATION
AND SAFETY
!
The microprocessor is able to signal three different kinds of failure by flashing the “Limiter”
red LED on the amplifier panel before the lighting up of the “Power status” green LED.
The three types of failure are:
1) WARNING: a non severe error or auto-restart malfunction is detected and the
performance of the speaker is not limited.
2) LIMITATION: an error is detected and the performance of the speaker is limited (the
sound level is reduced by 3dB).
This does not affect the operation of the speaker since it continues to operate.
However, it is necessary to call the service centre to solve the issue.
WARNING
BEFORE CONNECTING
THE SPEAKER
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