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POWER LED
The Power LED lights up to indicate that the main POWER switch (located on the rear panel) is on.
- Phantom Power LED
This LED illuminates indicating that the 48 volt
phantom power is applied to the microphone
pre-amps enabling use with condenser micro-
phones. The +48V LED will light up when the
Phantom Power switch (located on the rear
panel) is switched to the ON position.
Output Level Meter
The OUTPUT LEVEL METER allows you to
monitor the level of the signal which is being
sent to the MIX OUT jacks.
NOTE:
To avoid distortion, adjust the Main Level
control so that the 0 indicator LED lights occa-
sionally.
Auxiliary Return
The MDR624 has a stereo auxiliary return,
which can be accessed via the pair of 1/4-inch
phone jacks located on the top panel. The
Auxiliary Return can be used to connect any
stereo line level signal, but they are primarily
used to connect the output of external effects
processors.
AUX RET
This adjusts the amount of signal that is com-
ing from the AUX RET jacks to the MAIN bus.
For more information on using the AUX control see
the section “USING AN EXTERNAL EFFECT” on page
13 of this manual.
Controls and Functions
MASTER SECTION - continued
12
13
14
15
9
HF
12K
1
0
MF
2.5K
1
0
LF
8
0Hz
1
0
A
UX
E
AK
B
AL
0
5
LEVEL
010
5
LEVEL
010
LEFT
RIGHT
LEFT
RIGHT
PHANTOM POWER
CLIP
+12
+6
0
-6
-12
-18
-24
LR
2T IN 2T OUT
AUX RETURN
5
010
2TK TO MIX
2TK TO C/R
OUTPUT LEVEL
CR / PHONES MAIN LEVEL
12
13
14
15