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FMUSER
I
NTERNATI
ONAL
GROUP
I
NC.
广州市汉婷生物技术开发有限公司
8
/
16
7.
FREQ
But
t
on
Fr
equenc
y
Regul
at
i
on
Func
t
i
on
I
nt
r
oduc
t
i
on:Pr
es
s
t
hi
s
but
t
on,
t
he
FREQ
i
c
on
on
LED
s
c
r
een
s
t
ar
t
s
bl
i
nk
i
ng,
pr
es
s
or
now
t
o
i
nc
r
eas
e
or
dec
r
eas
e
t
he
f
r
equenc
y
,pr
es
s
t
he
FREQ
but
t
on
agai
n
t
o
c
onf
i
r
m
s
et
t
i
ng.
The
v
al
i
d
adj
us
t
i
ng
per
i
od
i
s
wi
t
hi
n
15
s
ec
onds
f
r
om
t
he
t
wi
nk
l
e
of
i
c
on
ev
er
y
t
i
me
y
ou
pr
es
s
t
he
or
but
t
on.
The
i
c
on
wi
l
l
s
t
op
bl
i
nk
i
ng
when
s
wi
t
c
h
t
o
ot
her
s
et
t
t
i
ngs
f
r
om
t
he
FREQ
adj
us
t
ment
dur
i
ng
t
he
s
et
t
i
ng
pei
od.
8.
ST/
MO
But
t
on
1.
Pr
es
s
t
he
but
t
on
t
o
s
wi
t
c
h
audi
o
out
put
mode
bet
ween
MONO
and
STEREO.
2.
Pr
es
s
and
hol
d
t
he
but
t
on
t
o
s
wi
t
c
h
pr
e-
emphas
i
s
bet
ween
50US
and
75US.
l
Tec
hni
c
al
Spec
i
f
i
c
at
i
ons
1
Vol
t
age:
12V
12 Fr
equenc
y
dev
i
at
i
on:
+-75KHZ
2
Cur
r
ent
:
<0.
4
13 SNO
Rat
e:
>
=60dB
3
Fr
equenc
y
r
ange:
76~108MHZ
14 Pr
e-
emphas
i
s
:
50/
75US
s
wi
t
c
habl
e
4
Fr
equenc
y
s
t
eppi
ng:
100KHZ
15 Ant
enna
I
mpedanc
e:
50
Ohm
5
Wor
k
i
ng
t
emper
at
ur
e:
-
10~45
16 Pr
oduc
t
di
mens
i
on:
162*
120*
40MM
6
Audi
o
f
r
equenc
y
r
es
pons
e:
50Hz
~15000Hz
17 Pac
k
age
s
i
z
e:
253*
183*
70mm