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DMS3040B - DMS3080B - DMS3120B - DMS3260B RACK MOUNTING - SAFETY INSTRUCTIONS
BEFORE OPERATING THE AMPLIFIER, BE SURE YOU
FULLY UNDERSTAND ALL INSTRUCTIONS AND
FEATURES OF THE UNIT.
1) Read these instructions carefully.
2) Keep these instructions.
3) Heed all Warnings.
4) Follow all instructions.
5) DO NOT use this apparatus near water.
6) Clean ONLY with a damp cloth.
7) DO NOT block any of the ventilation openings.
Install in accordance with the instructions provided.
8) DO NOT install near any heat sources such as
radiators, stoves, or other apparatus (including amplifiers)
that produce heat.
9) DO NOT mount amplifier into a container or a
closed unventilated closet while operating.
10) DO NOT place any object or accessory equipment
such as Tuners, Mixers, Cassette Decks, etc. on top of the
amplifier. Obstructing or closing the cabinet ventilation
openings may cause overheating.
11) DO NOT defeat the safety purpose of the polarized
or grounding type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug has
two blades and a third grounding prong. The wide blade
and or the third prong is provided for your safety. When
the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
12) Use only the attachments and accessories speci-
fied in this manual.
13) If a cart is used, use caution when moving the
cart/apparatus combination to avoid injury from tip-over.
14) Unplug this apparatus during lighting storms or
when unused for long periods of time.
15) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power supply cord or plug is
damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.
16) DO NOT replace fuses unless power cord is
removed from the AC wall outlet.
17) DO NOT install accessories unless the power cord
is removed from the AC wall outlet.
WARNING: TO REDUCE THE RISK OF FIRE OR ELEC-
TRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO
RAIN OR MOISTURE. DANGEROUS HIGH VOLTAGES
ARE PRESENT INSIDE THE ENCLOSURE. DO NOT
OPEN THE CABINET. REFER SERVICING TO QUALI-
FIED PERSONNEL ONLY.
S3125A
IMPORTANT SAFETY INSTRUCTIONS
A) Procure the optional accessory Rack Mount Kit Model 27/3501.
B) Turn amplifier up side down and remove the four rubber feet by unscrewing
the four holding screws.
C) Remove the bottom front screws on each side of the amplifier holding the
amplifier cover.
RACK MOUNTING INSTRUCTIONS
CAUTION
RI SK OF E LECTR I C SH O C K
DO NOT OPEN
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER.
NO USER-SERVICEABLE PARTS INSIDE.
CAUT ION:
SAFETY PRECAUTIONS
The lightning flash with arrowhead symbol, within an equilateral triangle, is in-
tended to alert the user to the presence of uninsulated “dangerous voltage”
within the product’s enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user
to the presence of important operating and maintenance (servicing) instructions
in the literature accompanying the appliance.
S
h
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DM
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“dangero
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TING TH
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NTIN
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AMPLIFIER BE SURE
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OR
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Use on
12)
YOU
U
C
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A
FETY IN
S
T
R
C
TI
O
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S
nly the attachments and acc
S
cessories speci
i
n t
h
e
li
terature a
c
o
presence
th
et
o
e
xc
l
amat
i
o
n
The
risk o
f
electric sh
o
p
roduc
t
t
h
e
within
h
t
t
aler
o
t
ended
t
c
company
i
ng t
h
e app
li
anc
e
an
d
operat
i
n
g
i
m
p
ortan
t
of
eq
u
il
atera
l
an
within
p
o
i
nt
o
ck to
p
ersons
.
be
ma
y
t
h
a
t
e
n
c
l
osu
r
e
t
’s
e
c
en
s
pre
he
t
o
t
er
s
u
he
e.
(
servicing
)
m
a
i
ntenance
d
a
l
t
o
i
nten
d
e
d
is
t
r
i
ang
le
l
to
ma
g
nitude
suffic
i
e
nt
of
dangero
ed
t
ula
s
unin
f
o
5
4
3
2
1
F
F
B
i
nstruct
i
ons
u
ser
t
he
ert
a
co
n
s
tit
u
t
e
age
t
ol
v
s
u
use t
hi
s a
p
DO
N
OT
5)
F
o
ll
ow a
ll
i
nstruct
i
on
4)
arnings.
H
ee
d
a
ll
W
Wa
3)
K
eep t
h
ese
i
nstruct
io
2)
R
ea
d
t
h
ese
i
nstruct
io
)
1
.
TURES OF THE UNIT
T.
FEA
AT
ALL
AND
UNDERST
TA
Y
FULL
LY
TING
TH
BEFORE
OPERA
AT
.
p
aratus near wate
r
s.
o
ns
.
.
o
ns care
f
u
lly
AND
IN
S
TRU
C
TI
O
N
S
L
Y
AMPLIFIER
,
BE
SURE
E
c
art
/
apparatus
If
a ca
r
1
3
)
fi
e
d
i
n t
hi
s ma
n
Use
on
12)
YOU
com
bi
nat
i
on to avo
id
i
n
j
ur
y
r
t
i
s use
d
, use caut
i
on w
h
e
n
n
ua
l
.
nly
the
attachments
and
acc
.
y
f
rom t
i
p-ove
r
n
mov
i
ng t
h
e
-
cessories
speci
U
A
C
CA
E
F
E
R
N
N
OPE
T
O
N
O
D
K
C
O
H
S
C
I
R
T
C
E
L
E
F
O
K
S
I
R
O
I
T
U
A
C
:
N
O
I
T
E
D
I
S
N
I
S
T
TS
R
A
P
E
L
B
A
E
C
I
V
R
E
S
-
R
R-
E
S
U
O
N
.
R
E
V
O
C
E
V
O
M
O
E
R
T
O
N
O
D
S
C
I
R
T
C
E
L
E
F
O
K
S
I
R
RI
E
H
T
E
C
U
D
E
R
O
T
O
S
R
E
P
E
C
I
V
R
E
S
D
E
I
F
I
L
A
U
UA
Q
O
T
G
N
I
C
I
V
R
E
S
R
E
.
E
,
K
K,
C
O
H
L.
E
N
N
O
c
9
t
r
8
I
7
6
place any o
DO NOT
10)
cl
ose
d
unvent
il
ate
d
c
l
oset
w
mount am
p
DO
N
OT
9)
th
at pro
d
uce
h
eat
.
r
a
di
ators, stoves, or ot
h
er
a
i
nsta
ll
nea
r
DO
N
OT
8)
I
nsta
ll
i
n accor
d
ance w
i
t
h
t
h
bl
oc
k
any
o
DO
N
OT
7)
w
i
t
h
a
d
Y
Clean ONL
LY
6)
p
)
object or accessory equipm
whil
e operat
i
ng.
plifi
er
i
nto a conta
i
ner or a
a
pparatus
(i
nc
l
u
di
ng amp
lifi
r
any
h
eat sources suc
h
as
h
e
i
nstruct
i
ons prov
id
e
d.
of
t
h
e vent
il
at
i
on open
i
ngs.
d
amp c
l
ot
h
.
p
rain or moisture
i
nto t
h
e appar
a
d
amage
d
,
li
qu
i
d
amage
d
i
n a
n
S
ervicing is re
q
R
e
f
er
a
1
5
)
wh
en unuse
d
f
U
np
l
u
g
4)
1
ent
ers
)
e does not operate normal
a
tus, t
h
e apparatus
h
as
b
e
e
d
h
as
b
een sp
ill
e
d
or o
bj
e
c
, suc
h
as power sup
p
n
y wa
y
q
uired when the apparatus
all
serv
i
c
i
ng to qua
lifi
e
d
ser
v
f
or
l
ong per
i
o
d
s o
f
t
i
me.
g
t
hi
s apparatus
d
ur
i
ng
li
g
ht
A
3125
S
or has been
ly
e
n expose
d
to
c
ts
h
ave
f
a
ll
en
pl
y cor
d
or p
l
ug
i
s
has been
vi
ce personne
l
.
ti
ng storms o
r
C)
th
e
B
)
A
)
ve the bottom f
Remo
w
s
our hold
i
n
g
scr
e
e
f
urn am
p
l
ifi
er u
p
s
i
d
e
T
ocure the o
p
t
i
onal P
r
RA
hs
ws on eac
ont scre
r
.
ve thwn and remo
e
d
o
k Mou
n
y
Ra
c
accesso
r
C
K M
O
UNTIN
G
IN
S
T
R
A
side of the amplifier ho
y
u
eet bour rubber
f
e
f
n
t Kit Model 27
/350
1
.
U
C
TI
O
N
S
R
a
t
w
o
o
a
s
olding the
w
i
n
g
unscre
a
n
d
or t
h
e t
hi
r
d
prong
i
s pr
o
t
wo
bl
a
d
es an
d
a t
hi
r
d
gro
u
wi
t
h
one w
id
er t
h
an t
h
e ot
h
po
A
A
o
r groun
di
ng type p
l
ug.
d
e
f
eat t
h
e
s
DO
N
OT
1)
1
o
pen
i
ngs may cause over
h
.
O
bstructing or cl
o
a
mp
lifi
e
r
u
ners, Mixers,
Ca
T
s
uc
h
as
place
any
o
DO
NOT
10)
.
Wh
e
o
v
id
e
d
f
or your sa
f
ety
Th
e w
id
e
bl
a
d
u
n
di
ng prong.
grounding type plug h
A
A
.
e
r
ol
ar
i
ze
d
p
l
ug
h
as two
bl
a
de
s
a
f
ety purpose o
f
t
h
e po
l
ar
i
eat
i
ng.
o
sing the cabinet ventilatio
n
a
ssette Decks, etc. on top
o
object
or
accessory
equipm
T
RIC SHOCK
,
O
T
ARNING:
W
WA
i
s remove
d
f
ro
m
DO
N
O
1
7
)
r
emove
d
f
rom
DO
N
O
1
6
)
d
roppe
d
.
rain
or
moisture
n
d
e
as
e
s
i
ze
d
n
o
f the
ent
T
HIS
A
T
EXPOSEDO N
O
T
HE RISK OF
F
O
REDUCE
AC
wall outlet.
m
t
h
e
i
nsta
ll
accessor
i
es un
l
e
s
OT
AC
wall outlet.t
h
e
rep
l
ace
f
uses un
l
ess po
w
OT
e
,
does
not
operate
normal
O
T
A
PPLIANCE
-
F
IRE OR ELE
C
s
s t
h
e power cor
d
w
er cor
d
i
s
,
or
has
been
ly
a
m
C)
.
v
er
mp
l
ifi
er co
ve
the
bottom
f
Remo
h
s
ws
on
eac
ont
scre
r
side
of
the
amplifier
ho
e
t
olding
the
el
ectr
i
c
i
an
f
or rep
l
acement
th
e prov
id
e
d
p
l
ug
d
oes not
o
f
t
h
e o
b
so
l
ete out
l
et
.
fi
t
i
nto your out
l
et, consu
l
t
a
F
IED PERSO
N
T
HE C
A
O
PEN
A
RE PRESEN
R
AIN OR MOI
S
a
n
.
Y
NNEL ONL
LY
V
ICI
N
REFER SER
.
A
BINE
T
T
HE ENCLOSU
R
T INSIDE
O
US HI
G
ANGE
R
D
S
TURE
.
-
ALI
U
O
Q
T
N
G
T
DO NO
R
E.
G
ES
A
T
TA
OL
LT
V
G
H