Welch Allyn Digital MacroView Otoscope - User Manual User Manual
Page 474
Guidance and Manu
factu
rer’
s De
claration - Emissio
n
s
Th
e D
ig
ita
l M
ac
ro
V
ie
w is
in
te
nd
ed
f
or
u
se
in
th
e
ele
ct
ro
m
ag
ne
ti
c e
nv
iro
nm
en
t s
pe
cif
ie
d b
el
ow
. T
he
cu
st
omer
o
r us
er
of
t
he D
igi
tal Mac
roV
iew should
ass
ure
that it
is use
d in such an
en
vir
onm
en
t.
Immuni
ty T
e
st
IEC
60
60
1
Te
st
L
e
vel
Compliance
Lev
e
l
Ele
c
tromagnetic Environment -
Guida
nce
Porta
ble
and
mobile RF communications e
quipm
ent
sh
ould be
used
no
closer to
any
part
of the Dig
ital MacroV
iew,
including
ca
bles
, th
an the recommended
separa
tion distance c
alculated from the equation app
lic
ab
le
to the frequ
ency
of the transmitter
.
Rec
o
mmend
ed sepa
ra
tion distan
ce
Co
nducted RF
,
IE
C 61000
-4-6
3 V
rms
150 kHz to 80 MHz
3 V
rms
d =
(1.17)
Ra
dia
ted RF
, IE
C
61000
-4-3
3 V/
m
80
MH
z t
o 2.5
GHz
3 V/
m
d
= (1.17)
80
MHz
to
80
0 MHz
d =
(2.33)
800 MH
z to
2.
5 GHz
where
P is the maximum output
power
rating of the transmitt
er
in watts
according to the transmitter
man
ufacturer and
d is the recommended
sepa
ratio
n
distance in meters.
Fie
ld streng
ths from fixed
RF transmitters, as
dete
rmine
d by an electromagnetic site survey
,
a
sho
uld b
e less than
th
e compliance level in ea
ch
fr
equency rang
e.
b
Interferen
ce
may occur
in the v
icin
ity of
equipment marked
with the following sy
mbo
l:
Note
1:
At 80
MHz
and
800
MHz, th
e h
ighe
r fre
quency r
ange
applie
s.
Note
2: These guidelines may
no
t
ap
ply in
all sit
uations. Electromagnetic propaga
tion
is
affe
ct
ed
b
y
absorp
tion
and
reflection
from
structu
res, objects, and peop
le.
Recom
men
ded se
parati
on d
istan
ces b
e
tw
een
portab
le an
d mo
bile
RF
c
o
mmu
nic
a
tio
ns
eq
uip
m
ent
and
the
D
ig
ita
l MacroV
iew
The Dig
ital
MacroV
iew is in
tended
for use in an electromagne
tic envir
on
ment
in
whic
h rad
iate
d RF d
isturba
nces are
contro
lled.
The c
ustomer
or
user of the Dig
ital Macro
V
ie
w can help
pr
event
ele
ctr
omagnetic interfe
rence
by maintainin
g a
minimum
distan
ce
betwee
n po
rtable an
d mob
ile RF communications eq
ui
pm
en
t (transmitters) and the Dig
ital
MacroV
iew as
recommend
ed
belo
w
, according to the ma
xi
mum output power of the communicat
ions equipment.
Rated
max
. output power
of
tra
n
smit
ter
(W
)
Separation
distan
ce a
ccordin
g
to
freque
ncy of transmitter (m)
15
0 kHz to 8
0 MH
z
d = (1.17)
80
M
H
z t
o
80
0
MH
z
d = (1.17)
80
0 MH
z t
o
2.
5 G
H
z
d = (2.33)
0.
01
0.11
7
0.11
7
0.23
3
0.
1
0.37
0.37
0.74
1
1.17
1.17
2.33
10
3.
70
3.
70
7.
37
10
0
11.
70
11
.7
0
23.
30
For transmitte
rs
rated
at a maximum outpu
t
powe
r
no
t
listed
abo
ve
, the recommended
sepa
ratio
n
di
stance
d i
n meters (
m
) can
be estimated
usin
g
the equation applicab
le to
the
freque
ncy
of the
transmitter
, wh
ere
P
is th
e maximu
m
output
power r
atin
g of
the transmitter in watts
(W)
according to the transmit
ter
man
ufacturer
.
Not
e 1:
At 8
0 MHz
and
800
MHz,
the
se
parati
on distan
ce
for the higher frequ
ency
ran
ge
applies.
Not
e
2: These guideline
s may
no
t
apply in
all
situations. Electromagne
tic propag
ation
is aff
ected
by absor
ption
an
d re
flection
from s
tructures, objects, and
peo
ple
.
P
P
P
P
P
P