5
Operating Manual - DLM-821 Stereo Ducking Line/Microphone Mixer
5.9
P
ower
S
witch
T
he
DL
M-821
po
w
er
s
w
itch
is
on
the
b
ac
k
panel.
W
hen
it
is
pressed
in
the
front
panel
po
w
er
LED w
ill
b
e-
come
lit.
5.10
M
ono
O
utput
M
ic/
L
ine
S
witch
T
his
s
w
itch
selects
b
et
w
een
a
0dBu
(
out
posi-
tion
)
line
le
v
el
or
-40dBu
(
in
position
)
mic
le
v
el
signal
feeding
the
Mono
output
connector.
5.11
S
tereo/
M
ono
I
nput
S
witches
T
hese
four
push
b
utton
s
w
itches
allo
w
selection
b
et
w
een
a
stereo
or
mono
signal
connection
to
input
chan-
nels
1
through
4
respecti
v
ely.
I
n
the
Out
position,
stereo
left
and
right
ca
b
les
should
b
e
connected.
I
n
the
in
posi-
tion,
a
mono
ca
b
le
should
b
e
connected
to
the
R
(
Mono
)
connector
w
hich
then
internally
feeds
the
signal
to
b
oth
left
and
right
sides.
5.12
P
hantom
P
ower
S
witches
T
here
is
a
phantom
po
w
er
s
w
itch
for
channels
1
and
2
and
a
phantom
po
w
er
s
w
itch
for
channels
3
and
4.
P
ushing
the
s
w
itch
in
applies
+
18
VD
C
to
the
(+)
and
(
-
)
input
terminals
of
the
t
w
o
associated
channels
to
po
w
er
condenser
mics.
T
he
input
channels
should
b
e
muted
using
the
On/Mute
s
w
itches
w
hen
s
w
itching
phantom
po
w
er
on
or
off
to
a
v
oid
any
pop
noises.
I
nternal
PCB
Jumper
O
ptions:
5.13
C
h
.
2
D
etect
E
nable *
I
nternal
j
umper
J
1
allo
w
s
ena
b
ling
or
disa
b
ling
the
duc
k
er
detector
for
ch.
2.
(
factory
default
is
ena
b
le
d
)
5.14
D
ucking
L
evel *
I
nternal
j
umper
J
16
allo
w
s
selection
b
et
w
een
-20dB
duc
k
ing
le
v
el
and
-90
dB
duc
k
ing
le
v
el.
(
factory
default
is
-2
0dB
)
5.15
C
h
.
1
P
riority *
I
nternal
j
umper
J
6
allo
w
s
ena
b
ling
ch.
1
to
ha
v
e
priority
o
v
er
ch.
2
and
fully
attenuate
channels
2-8.
T
his
feature
is
useful
for
applying
an
emergency
page
or
alarm
on
channel
1
and
applying
a
normal
host
page
input
on
ch.
2.
(
factory
default
is
ch.1
priority
d
i
s
a
b
le
d
)
5.16
L
eft and
R
ight
D
ucking
E
nable *
I
nternal
j
umpers
J
14
and
J
15
allo
w
the
left
and
right
signal
duc
k
ing
to
b
e
ena
b
led
or
disa
b
led
indepen-
dently.
(
factory
default
is
left
and
right
duc
k
ing
ena
b
le
d
)
* F
or
internal
j
u
m
per
a
dj
u
s
t
m
ent
s,
re
m
o
v
e
AC
cor
d f
ro
m
rear
o
f
unit
an
d
re
f
er
to
a
q
uali
f
ie
d s
er
v
ice
technician
. (s
ee
PCB j
u
m
per
location
s
in
f
ig
.
5
.
2
)