4
MLA-200 Owner
’s
M
a
n
ua
l
PRECAUTIONS
PLEASE READ CAREFULLY
BEFORE PROCEEDING
Ple
as
e keep thi
s
m
a
n
ua
l in
a
sa
fe pl
a
ce for f
u
t
u
re
reference.
WARNING
Always follow the basic precautions
listed below to avoid the possibility of
serious injury or even death from
electrical shock, short-circuiting,
damages, fire or other hazards. These
precautions include, but are not limited
to, the following:
If you notice any abnormality
• If
a
ny of the following problem
s
occ
u
r, immedi-
a
tely di
s
connect the Ethernet c
a
ble from thi
s
prod
u
ct.
- The Ethernet c
a
ble become
s
fr
a
yed or d
a
m-
a
ged.
- Un
usua
l
s
mell
s
or
s
moke
a
re emitted.
- Some object, or w
a
ter h
as
been dropped into
the prod
u
ct.
- There i
s
a
su
dden lo
ss
of
s
o
u
nd d
u
ring
us
e
of the prod
u
ct.
- Cr
a
ck
s
or other vi
s
ible d
a
m
a
ge
a
ppe
a
r on
the prod
u
ct.
Then h
a
ve the prod
u
ct in
s
pected or rep
a
ired by
q
ua
lified Y
a
m
a
h
a
s
ervice per
s
onnel.
Power supply
• U
s
e
a
CAT5e or higher gr
a
de c
a
ble.
F
a
il
u
re to ob
s
erve thi
s
prec
au
tion co
u
ld re
su
lt in
a
fire or m
a
lf
u
nction.
Do not open
• Thi
s
prod
u
ct cont
a
in
s
no
us
er-
s
ervice
a
ble p
a
rt
s
.
Do not
a
ttempt to di
sass
emble the intern
a
l p
a
rt
s
or modify them in
a
ny w
a
y.
Water warning/Fire warning
• Do not expo
s
e the prod
u
ct to r
a
in,
us
e it ne
a
r
w
a
ter or in
d
a
mp or wet condition
s
, or pl
a
ce on
it
a
ny cont
a
iner
s
(
su
ch
as
v
as
e
s
, bottle
s
or
gl
ass
e
s
) cont
a
ining liq
u
id
s
which might
s
pill into
a
ny opening
s
.
• Never in
s
ert or remove
a
n electric pl
u
g with wet
h
a
nd
s
.
• Do not pl
a
ce
a
ny b
u
rning item
s
or open fl
a
me
s
ne
a
r the prod
u
ct,
s
ince they m
a
y c
aus
e
a
fire.
Hearing loss
• Before connecting the prod
u
ct to other device
s
,
m
a
ke
su
re th
a
t
a
ll vol
u
me level
s
a
re
s
et to the
minim
u
m. F
a
iling to do
s
o m
a
y re
su
lt in he
a
ring
lo
ss
, electric
s
hock, or device d
a
m
a
ge.
• Do not
us
e he
a
dphone
s
for
a
long period of time
a
t
a
high or
u
ncomfort
a
ble vol
u
me level,
s
ince
thi
s
c
a
n c
aus
e perm
a
nent he
a
ring lo
ss
. If yo
u
experience
a
ny he
a
ring lo
ss
or ringing in the
e
a
r
s
, con
su
lt
a
phy
s
ici
a
n.
• U
s
e he
a
dphone
s
with
a
n imped
a
nce of 40
Ω
or
more. U
s
ing he
a
dphone
s
with
a
n imped
a
nce of
le
ss
th
a
n 40
Ω
m
a
y c
aus
e o
s
cill
a
tion, extremely
lo
u
d noi
s
e
s
or he
a
ring lo
ss
.
(PA_en_10 1/2)