2
BLUES
Contents / Installation & operating instructions
Connecting the mixer to the mains supply.
Before connecting the mixer to the mains supply, make certain that the current corresponds
to that indicated on the rear of the unit (a tolerance of ±10% is allowed for). Connect the
power cord to the mixer
before
connecting the power supply to the mains socket and
before
switching the power supply on; always disconnect the power cord
after
switching the power
supply off and after having disconnected it from the mains socket.
Switching on and off.
Make certain that MIX L&R output levels are closed and switch off any amplifiers connected to the line output
of the mixer before switching the mixer on or off: this avoids annoying and sometimes dangerous (particularly
for the speaker cabinets) signal peaks. When the mixer is switched on, its normal for the LEDs to light up for
a few moments.
Connection and prevention or identification of possible disturbances.
Avoid installing your equipment in the vicinity of television sets, radios, etc., as these can cause noisy disturbance.
Connecting the other apparatus in your sound system, pay close attention to the so-called earth-loops, which
can cause hum or interfere with the mixers excellent S/N ratio and low distortion.
Connector cables
When connecting the mixer to amplifiers or powered speaker enclosures, make certain to
always use only
screened cables
(made up of two conductors plus braid screen)
not power cables
(speaker cables made up
of two large section conductors normally of different colours): the use of unscreened cables could in fact easily
cause annoying hum or background noise.Take care of the connector cables. Always hold them by the connectors,
avoiding pulling the wire and avoid knots and twists when coiling them: this gives the advantage of increasing
their life and reliability.
Protection and maintenance.
Do not force knobs, switches or faders: they have been designed to respond to a light touch and could be
damaged if treated with excessive force.
Avoid exposing the mixer to direct sun, strong heat, intense vibrations, very dusty or damp surroundings, or
even worse, rain: this will avoid eventual malfunction, deterioration or even electric shocks and fires. Any dust
on the mixer should be removed using a soft dry cloth or a brush; never use alcohol, acetone or solvents.
In the event of a breakdown, do not open the mixer, but contact the nearest
GENERALMUSIC Service Centre
.
INSTALLATION & OPERATING INSTRUCTIONS
CONTENTS
INSTALLATION & OPERATING INSTRUCTIONS . . . . . . . . . . 2
MONO input channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
STEREO input channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MASTER section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DSP CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MASTER EQ. FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CONNECTION CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PS 30 POWER SUPPLY UNIT . . . . . . . . . . . . . . . . . . . . . . . . . 10
TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . 11
DSP PARAMETER TABLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Содержание Blues 12
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Страница 28: ...33 BLUES Diagrammi Diagramma dei livelli...
Страница 30: ...MIXING CONSOLES blues series CODE 277 315 CODE 277 315...
