10
EURORACK UB1204-PRO/UB1204FX-PRO
2.4.2 Voltage supply, phantom power and fuse
Fig. 2.15: Voltage supply and fuse
FUSE HOLDER
The console is connected to the mains via the cable supplied
which meets the required safety standards. Blown fuses must
only be replaced by fuses of the same type and rating.
IEC MAINS RECEPTACLE
The mains connection is via a cable with IEC mains connector.
An appropriate mains cable is supplied with the equipment.
POWER
Use the POWER switch to power up the mixing console.
PHANTOM
The PHANTOM switch activates the phantom power supply
for the XLR connectors of the mono channels which is required
to operate condenser microphones. The red +48 V LED lights up
when phantom power is on. As a rule, dynamic microphones
can still be used with phantom power switched on, provided
that they are wired in a balanced configuration. In case of doubt,
contact the microphone manufacturer!
+ After the phantom power supply has been
switched on, do not connect microphones to the
mixer (or the stagebox/wallbox). Connect the
microphones before you switch phantom power
on. In addition, the monitor/PA loudspeakers
should be muted before activating the phantom
power supply. After switching on, wait approx. one
minute to allow the system to stabilize.
+ Caution! You must never use unbalanced XLR
connectors (PIN 1 and 3 connected) on the MIC
input connectors if you want to use the phantom
power supply.
SERIAL NUMBER
Please note the important information on the serial number
given in chapter 1.3.3.
3. DIGITAL EFFECTS PROCESSOR
Fig. 3.1: Digital effects module (only UB1204FX-PRO)
24-BIT MULTI-EFFECTS PROCESSOR
Here you can find a list of all presets stored in the multi-effects
processor. This built-in effects module produces high-grade
standard effects such as reverb, chorus, flanger, delay and
various combination effects. The integrated effects module has
the advantage of requiring no wiring. This way, the danger of
creating ground loops or uneven signal levels is eliminated at the
outset, completely simplifying the handling. You can route signals
to the effects processor via aux send 2 in the channels and the
aux send 2 master control. The built-in stereo effects processor
has the advantage that it does not need to be cabled up. This
eliminates any danger of hum or level mismatch right from the
start providing straight-forward operation.
These effect presets are designed to be added to dry signals.
If you move the STEREO AUX RETURN FX control, you mix the
channel signal (dry) and the effect signal. You can control the
balance between the two signals with the channel fader and the
STEREO AUX RETURN FX control.
FX FOOTSW.
Connect a standard foot switch to the foot switch connector;
use this to switch the effects processor on and off. A dot at the
bottom of the display indicates if the effects processor is muted
via the foot switch.
+ On the following page, you will find an illustration
showing how to connect your foot switch correctly.
LEVEL
The LED level meter on the effects module should display a
sufficiently high level. Take care to ensure that the clip LED only
lights up at peak levels. If it is lit constantly, you are overloading
the effects processor and this could cause unpleasant distortion.
The FX control (AUX SEND 2) determines the level that reaches
the effects module.
PROGRAM
You can select the effect preset by turning the PROGRAM
control. The display flashes the number of the current preset. To
recall the selected preset, press the button; the flashing stops.
You can also recall the selected preset with the foot switch.
3. DIGITAL EFFECTS PROCESSOR
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