1 PHANTOM POWER Switch
This button will apply +48 Volt Phantom
Power only to the 4 XLR MIC input sockets.
When condenser microphones are not used,
please make sure that the Phantom Power
is disengaged.
NOTE:
When switch on/off the phantom power,
please firstly turn the level control knob to min.
SPO
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HT
4. CONTROL ELEMENTS
2 MONO INPUT CHANNELS(CH1 TO CH4)
There is CH1 through CH4, which comes with
balanced MIC IN and LINE IN connectors. Use
the XLR (MIC IN) socket to connect low impe-
dance microphone or low level signal. Use the
1/4" TRS (LINE IN) jack to connect either a
microphone or a line level instrument such as
synthesizers, drum machines, effect proces-
sors or any other line level signal.
NOTE
: Never try to connect a line-level signal
to the XLR MIC input when the phantom power
is engaged or you may seriously damage your
equipment.
3 STEREO INPUT CHANNEL(CH5/6)
These are channels 5/6. They are organised
in stereopair and provided with 1/4" TRS
phone sockets. If you connect only the left
jack, the input will operate in mono mode,
that is the mono signal will appear on both
input channels. You can use these inputs
with a stereo keyboard, drum machine, etc.
4 MIC / LINE switch
When using XLR socket, please put the switch at the MIC position; When using
1/4'' TRS jack, please put the switch at the LINE position.
5 MP3/LINE switch
Pushing this switch to left will route the signal from MP3 IN to CH5/6 path,
while to right will route the signal from 1/4'' TRS jack.
6 LEVEL CONTROL
This control is used to adjust the overall level of respective Channel. The adjust-
able range goes from -
to +10dB.
1
PHANTOM
(CH1-4)
OFF
ON
9
10
8
7
6
5
3
4
2
100-120V~60Hz FUSE: T10AL 250V
220-240V~50/60Hz FUSE: T5AL 250V
AC INPUT
AC SELECT
POWER
ON
OFF
35
34
36
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4. CONTROL ELEMENTS
9 BAND EQ selective mode
Please connect the 8PIN row-wire on the 9BAND EQ model to the CN9 header
on the main mixer board. Then fix the 9BAND EQ model on the mixer panel with
two screws.
34 POWER ON/OFF
This switch is used to turn the main power on/off.
36 AC INLET
This jack is used to connect the unit to
the mains with the enclosed power cord.
(Depends on applicable country regulators)
35 AC SELECT
Before connecting the OEX-400S to the mains supply first check that the
Voltage Selector is showing the correct voltage for your country.
-12
EQ OFF
EQ ON
0
-8
-4
+8
+12
+4
63
500
250
125
2K
1K
-12
0
-8
-4
+12
+8
+4
16K
8K
4K
STEREO GRAPHIC EQ
13
6
1
CN7
EQ MODULE
CN9
p
y
