DRB1554-A
En
11
English
11
Connections and part names
!
Wait until all connections between devices have been completed
before connecting the AC adapter.
Be sure to turn off the power and unplug the AC adapter from the
power outlet before making or changing connections between
devices.
Refer to the operating instructions for the component to be
connected.
!
Only use the AC adapter included with this unit.
!
Power to this unit is supplied by the AC adapter or by USB bus power.
This unit can be used by connecting it to a computer using a USB
cable, even without connecting the AC adapter.
!
Connect this unit and the computer directly using the included USB
cable.
!
A USB hub cannot be used.
Notes on running this unit with USB bus power
!
When using this unit on USB bus power, supply power to the con-
nected computer from the AC power supply. Do not run the computer
on its battery.
!
In cases like the ones below, the power may be insufficient and this
unit may not operate on USB bus power.
—
When the computer’s USB power supply capacity is insufficient.
—
When other USB devices are connected to the computer.
If this unit does not operate on USB bus power, connect the included
AC adapter.
!
The following limitations apply when operating on USB bus power:
—
The jog dial indicator will not light.
—
The [
MASTER OUT 1
] (XLR output) channel is not output.
—
The [
MIC1
], [
MIC2
] and [
AUX IN
] terminals cannot be used.
—
The indicators are dimmer than when using the AC adapter.
To use the unit without these limitations, connect the included AC
adapter.
Connecting the input/
output
terminals
Front panel
PHONES
MIC 2
MIC/AUX THRU
ON
OFF
PHONES
MIC 2
MIC/AUX THRU
ON
OFF
1
2
3
Headphones
Microphone
Headphones
cord
To headphones
Microphone
cable
To microphone
1
PHONES jacks
Connect headphones here.
Both stereo phone plugs (
Ø
6.3 mm) and stereo mini phone plugs (
Ø
3.5 mm) can be used.
For details, see
Monitoring sound with headphones
on page 28.
!
There are two input jacks, both a stereo phones jack and a
mini phones jack, but do not use both simultaneously. If both
are used simultaneously, when one is disconnected and/
or
connected, the volume of the other may increase or decrease
suddenly.
2
MIC/AUX THRU selector switch
Set this to [
ON
] if you want to output the [
MIC2
] and [
AUX
] channels
directly.
=
Outputting the microphone and AUX sound directly
(p.30)
3
MIC2 terminal
Connect a microphone here.
=
Using a microphone
(p.29)
Rear panel
VOL
AUX IN
MASTER OUT 2
MASTER OUT 1
MASTER ATT.
MAX
L
R
L
L
1GND 2 HOT
3 COLD
R
R
-12 dB -6 dB 0 dB
MIN
ON
USB
OFF
DC IN
5 V
VOL
AUX IN
MASTER OUT 2
MASTER OUT 1
MASTER ATT.
MAX
L
R
L
L
1GND 2 HOT
3 COLD
R
R
-12 dB -6 dB 0 dB
MIN
R L R L
5
1
2
3
4
ON
USB
OFF
DC IN
5 V
ITCH
8 9
a
6
7
To audio input
terminals
To audio output
terminals
Portable
audio
device
Component,
amplifier,
powered speaker, etc.
Computer
AC adapter
(included)
To power outlet
1
MASTER ATT.
Sets the attenuation level of the sound output from the [
MASTER1
]
terminal.
2
MASTER OUT 1 terminal
Connect powered speakers, etc., here.
3
MASTER OUT 2 terminal
Connect to a power amplifier, etc.
4
AUX IN terminal
Connect to the output terminal of an external device (sampler, por-
table audio device, etc.)
5
VOL control
Adjusts the audio level input to the [
AUX IN
] terminals.
6
Kensington security slot
7
USB terminal
Connect to a computer.
!
Connect this unit and the computer directly using the included
USB cable.
!
A USB hub cannot be used.
