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EURORACK
UB502/UB802/UB1002/UB1202
+48 V (UB802/UB1002/UB1202 only)
The red +48 V LED lights up when phantom power is on. The
PHANTOM switch activates the phantom power supply on the
XLR connectors of all mono channels.
+ Please do not connect microphones to the mixer
(or the stagebox/wallbox) as long as the phantom
power supply is switched on. Connect the micro-
phones before you switch on the power supply. In
addition, the monitor/PA loudspeakers should be
muted before you activate the phantom power
supply. After switching on, wait approx. one minute
in order to allow system stabilization.
POWER
The blue POWER LED indicates that the console is powered on.
LEVEL INDICATOR
The high-precision 4-segment display accurately displays the
relevant signal level.
LEVEL SETTING:
To correctly set the gains of the channels, first set the LEVEL
controls of the input channels to their center positions (0 dB).
Then use the GAIN controls to increase the input amplification
until signal peaks show 0 dB on the level meter.
When recording to digital recorders, the recorders peak meter
should not go into overload. While analog recorders can be
overloaded to some extent, creating only a certain amount of distortion
(which is common and often desirable), digital recorders distort
quickly when overloaded. In addition, digital distortion is not only
undesirable, but also renders your recording completely useless.
+ The peak meters of your EURORACK display the level
virtually independent of frequency. A recording level
of 0 dB is recommended for all signal types.
3. INSTALLATION
3.1 Mains connection
AC POWER IN
Connect the power supply to the 3-pin mains connector on the
rear of the console. Use the AC adapter supplied to connect the
console to the mains. The adapter complies with all applicable
safety standards.
+ Please use only the power supply unit provided
with the console.
+ Never connect the EURORACK to the power supply
unit while the latter is connected to the mains! First
connect the console to the power supply unit, then
connect the power supply unit to the mains.
+ Please note that both the power supply unit and
the mixing console heat up considerably during
operation. This is completely normal.
3.2 Audio connections
You will need a large number of cables for different
applications. The illustrations below show how the connectors
should be wired. Be sure to use only high-grade cables.
Please use commercial RCA cables to connect the 2-track
inputs and outputs.
You can, of course, also connect unbalanced devices to the
balanced inputs/outputs. To do this, use either mono plugs or
stereo plugs with the ring and sleeve bridged (pins 1 and 3 in the
case of XLR connectors).
+ Caution! Never use unbalanced XLR connectors
(PIN 1 and 3 connected) on the MIC input connectors
when using the phantom power supply.