Behringer ULTRA-DI PRO DI4000 [6/9] Installation
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Behringer ULTRA-DI PRO DI4000 [6/9] Installation

Behringer ULTRA-DI PRO DI4000 [6/9] Installation
6 ULTRA-DI PRO DI4000 User Manual
This conguration can be used with a keyboard, DJ-mixer, headphone output,
drum kit or any (stereo or mono) line source. In all cases where you want to run
long lines, for instance to the FOH (Front Of House) desk. The signal can be linked
through to another amplier, if the keyboard player/ DJ/etc. wants to have a
monitor connected independent of the foldback mix. The ULTRA-DI PRO acts as
both a ground isolator and an unbalanced to balanced converter.
2.3 Converting a microphone signal
OutIn
Fig. 2.3: Connecting a microphone
Sometimes all that’s available (especially when all other mics are in use) is an
unbalanced high impedance microphone with an unbalanced jack. With the
ULTRA-DI PRO long cable runs to the console can be established without fear
of picking up noise and hum. Just plug the jack into the input and connect the
output to the console’s mic input.
2.4 Tapping a signal from a power
amplieroutput
When no line out is available it is possible to connect an amplier output directly
to the DI4000 (for example, recording direct from a guitar amplier, TV-speaker,
etc). It is possible to connect the output, i.e. an extra speaker output, of up to
3000 Watts to the ULTRA-DI PRO without fear of overloading. Pay attention to the
two -20 dB buttons on the ULTRA-DI PRO! Both must be depressed if an amplier
output is connected to the DI4000 input.
In
Out
+red or positive post
-black or negative post
-20 / -40 dB!
Fig. 2.4: Connection to an amplier output
◊ Always make sure the GROUND LIFT is on (no ground link)
when connecting to speaker terminals. This prevents accidental
short‑circuiting of the amplifier output. Also make sure the tip of the
input jack is connected to the red terminal and that the metal housing
of the DI4000 has no contact with other equipment.
3. Installation
Your BEHRINGER ULTRA-DI PRO was carefully packed in the factory and
the packaging was designed to protect the unit from rough handling.
Nevertheless,werecommend that you carefully examine the packaging and its
contents for any signs of physical damage, which may have occurred in transit.
◊ If the unit is damaged, please do not return it to us, but notify your
dealer and the shipping company immediately, otherwise claims for
damage or replacement may not be granted. Shipping claims must be
made by the consignee.
3.1 Rack mounting
The BEHRINGER ULTRA-DI PRO ts into one standard 19" rack unit of space.
Pleaseallow at least an additional 4" depth for the connectors on the back panel.
◊ Be sure that there is enough air space around the unit for cooling and
please do not place the ULTRA‑DI PRO on high temperature devices such
as power amplifiers etc. to avoid overheating.
3.2 Mains connection
The mains connection of the ULTRA-DI PRO is made by using a mains cable
and a standard IEC receptacle. It meets all of the international safety
certicationrequirements.
◊ Please make sure that all units have a proper ground connection.
For your own safety, it is advisable not to remove the ground
connection within the units or at the supply, or fail to make this
connection at all.
Before you switch on the unit, check that it is congured to match your AC
mains voltage requirements. If it does not comply, then it is necessary to switch
the operating voltage to the correct supply requirements BEFORE turning on
the unit, otherwise the unit could be severely damaged. You will nd this
combined fuse holder/voltage selector at the back, adjacent to the IEC receptacle.
IMPORTANT:This does not apply for general export models which are
built for one operating voltage only.
The AC voltage selection is dened by the position of the fuse holder. If you
intend to change the operating voltage, remove the fuse holder and twist it
by 180 degrees before you reinsert it. Matching the two markers shows the
selectedvoltage.
◊ If the unit is switched to another operating voltage, the fuse rating
must be changed. See the technical specifications in the appendix.
A safety fuse protects the unit from serious defects. If the fuse blows, this is a
warning sign and always indicates that the circuit is overloaded. The fault must
always be repaired before the fuse is replaced. If the safety fuse is faulty and
needs replacing after the unit is repaired, please make sure that you replace it
only with the identical type and rating. NEVER use fuses of dierent ratings or
cover faulty fuses with aluminium foil. This can cause re and electric shocks and
will endanger your life and the lives of others.
3.3 Audio connections
As standard, the BEHRINGER ULTRA-DI PRO is installed with transformer-
balanced outputs. This transformer features automatic hum and noise
reduction for balanced signals and thus allows for trouble-free operation,
even at high operating levels. Externally induced mains hum etc. will be
eectivelysuppressed.
◊ Please ensure that only qualified persons install and operate the
ULTRA‑DI PRO. During installation and operation the user must have
sufficient electrical contact to earth. Electrostatic charges might affect
the operation of the ULTRA‑DI PRO!

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