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REAR PANEL FEATURES AND CONTROLS
1. JACK/FEMALE XLR INPUTS (BAL/UNBAL). The system accept jack or XLR input connectors.
2. LIMITER LED. The amplifier has a built in limiter circuit to prevent clipping of the amplifiers or
overdriving the transducers. When the soft clipping circuit is active the LED blinks orange. It is okay if
the limit LED blinks occasionally. If the LED blinks frequently or lights continuously, turn down the
signal level.
3. SIGNAL LED. The signal indicator lights green if there is signal present on the main XLR input
4. STATUS LED. The status indicator flash if the temperature protection is active.
5. POWER LED. This green led is ON when the speaker is connected to the main power supply and the
ON/OFF is in ON position.
6. MALE XLR SIGNAL OUTPUT. The output XLR connector provides a loop trough for speakers daisy
chaining.
7. VOLUME CONTROL. Adjust the amplifier volume.
8. CONTOUR SWITCH. Set the flat or shaped equalization. “Contour” equalization is a loudness
recommended for background music applications, when the system plays at a low level. For all other
applications normal flat equalisation is recommended.
9. IEC AC IN-OUT SOCKET. In-Out AC Powercon Sockets.
10. POWER MAIN SWITCH. The power switch turns the AC power ON and OFF.
CONNECTIONS
The XLR connectors use the following AES standard:
PIN 1 = GROUND (SHIELD)
PIN 2 = HOT (+)
PIN 3 = COLD (-)
BEFORE CONNECTING THE SPEAKER
On the back panel you will find all the controls, the signal and current inputs. At first verify that the voltage selector
on the speaker is in proper position for your country (115 Volt or 230 Volt).
The switch shall be in proper position (unless moved from unauthorized people), but a fast check will avoid
problems. 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.
BEFORE TURNING ON THE SPEAKER
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.
INSTALLATION
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