Behringer DI800 [5/8] Control elements
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Behringer DI800 [5/8] Control elements

Behringer DI800 [5/8] Control elements
5 ULTRA-DI PRO DI800 User Manual
2. Control Elements
The BEHRINGERULTRA-DI PRO features eight identically built channels.
Thecontrol elements described here refer therefore to all channels.
(1) The INPUT connector is used for connecting unbalanced as well as balanced
signal sources.
(2) Because both INPUT and LINK connectors are wired in parallel, the LINK TRS
connector can be used both as an input and as a direct unbalanced output of
the INPUT signal. For the latter, you can for example connect LINK with the
input of a monitor amplier.
(3) The unbalanced input signal can be tapped into at the UNBAL OUT TRS
connector – after passing through the amplication circuitry (see (4) and (6)
). Essentially, the signal is identical to the signal located at the XLR output
in the back; the only dierence is that it is unbalanced and has therefore no
Ground Lift functionality (see (5) ).
(2) (4) (6)
(7)(5)(3)(1)
Fig. 2.1: Front panel control elements
(4) The -30 dB attenuation switch increases the operating range of the DI800
considerably, from low signal levels of a high-impedance mic or a guitar,
allthe way to speaker connectors of a guitar amplier.
◊ Use the -30 dB switch only when the DI800 starts distorting (and not
the mic preamp). When this is not the case, avoid using this function,
since the lowest amount of attenuation is desirable in order to obtain
the lowest signal-to-noise ratio possible.
(5) Using the GND LIFT switch, you can fully separate input and output
grounding. Depending on how the equipment to which your DI800 is
connected is grounded, using the GND LIFT switch lets you lower hum
noise or ground loops. When the GND LIFT switch is depressed, the ground
connection is interrupted (the LED is lit red). When the switch is in the
PHANTOM OR MAINS POWER ON setting, the LED is lit green (when the
GND LIFT switch is not pressed).
(6) The +20 dB switch increases the input signal level by 20 dB.
(7) Use the POWER switch to power up your DI800. The POWER switch should
always be in the “O” position when you are about to connect your unit to
the mains.
◊ To disconnect the unit from the mains, pull out the mains cord plug.
When installing the product, ensure that the plug is easily accessible.
If mounting in a rack, ensure that the mains can be easily disconnected
by a plug or by an all-pole disconnect switch on or near the rack.
(11) (10)
(9) (8)
Fig. 2.2: Rear panel connectors
(8) The BAL OUT connectors (1 - 8) are the balanced mic-level outputs of
the channels 1 to 8. Use a high-quality balanced microphone cable to
establishconnection.
(9) The mains connection is achieved via the standard IEC connector. A matching
power cord is included.
(10) Serial NUMBER. The serial number is located on the top of the unit.
Pleasetake a few minutes and send to us a completely lled out
warranty card within 14 days of the original date of purchase. Otherwise,
warranty claims may be rendered invalid. Or ll out the warranty
information online at behringer.com.
(11) FUSE COMPARTMENT/VOLTAGE SELECTION: Before plugging the unit into
a power socket, please make sure you have selected the correct voltage.
Faulty fuses must be replaced with fuses of appropriate rating without
exception. Some units feature a fuse compartment that can be operated
in two dierent positions, allowing alternating between 230 V and 120 V.
Attention: when using the unit outside of Europe (running on 120 V),
youhave to use a fuse with a higher rating (see chapter 5 “Specications”).

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