Rear Panel Features And Controls - RCF Art 408-A Series Manual

REAR PANEL FEATURES AND CONTROLS

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5
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11 10
CONNECTIONS
The XLR connectors use the following AES standard:
PIN 1 = GROUND (SHIELD)
PIN 2 = HOT (+)
PIN 3 = COLD (-)
1 JACK/FEMALE XLR INPUTS (BAL/UNBAL)
The system accept jack or XLR input connectors.
These balanced inputs can be used to connect balanced or unbalanced microphones
or audio sources at line level. The balanced connector is connected in parallel
and can be used to send the audio signal to other amplified speakers, recorders
or supplementary amplifiers.
2
LIMITER LED
2
3
The amplifier has a built in limiter circuit to prevent clipping of the amplifiers
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or overdriving the transducers. When the soft clipping circuit is active the LED blinks
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RED. It is okay if the limit LED blinks occasionally.
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If the LED blinks frequently or lights continuously, turn down the signal level.
SIGNAL LED
3
The signal indicator lights green if there is signal present on the main input.
4 POWER STATUS LED
This green led is ON when the speaker is connected to the main power supply
and the ON/OFF is in ON position.
5
MALE XLR SIGNAL OUTPUT
The output XLR connector provides a loop trough for speakers daisy chaining.
6 VOLUME CONTROL
Adjust the amplifier volume.
This control does not affect the "Link" - "Input - Link" output level.
7
FLAT/BOOST SWITCH
Set the flat or boost equalization. "Boost" equalization is a loudness recommended
for background music applications, when the system plays at a low level.
For all other applications "Flat" equalisation is recommended.
8 INPUT SENSITIVITY SWITCH
Position the switch in LINE to use a line level source (0 dB) or MIC to use
a microphone source.
9 IEC AC SOCKET
The IEC AC socket connect the power cord to the socket.
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10 FUSE CARRIER
Mains fuse housing.
11 POWER MAIN SWITCH
The power switch turns the AC power ON and OFF.
2 1
HOT
3
COLD
english
GND
BAL. XLR
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