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– 21 –
NOTE:
It
s
ho
u
ld be recognized th
a
t the
us
e of electro-
su
rgic
a
l
a
cce
ss
ory device
s
employing high freq
u
ency c
u
rrent m
a
y
interfere with the norm
a
l endo
s
copic im
a
ge
a
nd thi
s
interference i
s
not indic
a
tive of
a
m
a
lf
u
nction of the video
endo
s
cope
s
y
s
tem. PENTAX h
as
developed
a
n e
a
rth c
a
ble, model OL-Z3 intended to red
u
ce potenti
a
l RF
interference
a
nd electronic noi
s
e th
a
t m
a
y
a
ppe
a
r in the endo
s
cope im
a
ge when
us
ing electro-
su
rgic
a
l device
s
.
En
su
re th
a
t c
a
ble OL-Z3 i
s
correctly connected between the endo
s
cope
a
nd video proce
ss
or
as
de
s
cribed in the
in
s
tr
u
ction
s
provided with the OL-Z3. If electronic noi
s
e
a
ppe
a
r
s
in the endo
s
cope im
a
ge when
us
ing the OL-Z3,
s
elect
a
high freq
u
ency
s
etting to minim
u
m level
s
c
a
p
a
ble of
a
chieving the de
s
ired clinic
a
l effect.
to endoscope
to video processor
Summary of Contents for ED-3490TK
Page 27: ......