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ENGLISH
q Channel no.1 XLR input
BALANCED CONNECTION
+ hot
– cold
GND ground
UNBALANCED CONNECTION
w PRESENCE CONTROL (f = 2.15 kHz) common for all the channels 1, 2, 3, 4.
e AUX INPUT TREBLE and BASS controls.
r AUX INPUT GAIN control.
t AUX INPUT with dual RCA connector.
L
The two channels of the stereo source connected to the AUX INPUT are summed internally (to
get a mono signal).
y INTERNAL PROGRAM stereo audio output with dual RCA connector (L: left channel, R: right
channel) that sends the direct CD/USB – MP3 player and tuner signal.
u PRE OUT audio output (with RCA connector) that sends the same signal routed to the internal
amplifier (signal that can be either a single source with priority or the mix of all the channels 1,
2, 3, 4 and the selected music source).
L
Use PRE OUT for connection of additional external amplifiers.
i MUSIC ON HOLD audio output (with RCA connector) that sends a mono signal of the source
connected to the AUX INPUT.
L
Either the MUSIC ON HOLD output (if an external music source has been connected to
the AUX INPUT) or the INTERNAL PROGRAM output can be used for the connection to a
telephone system (in order to have the ‘music on hold’ function).
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