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Performing Communications
Bluetooth®
Communication
llluetooth®
interface can
also be used to transfer
data between
two Handheld Tcnninals.
With
Bluetooth"'
the two
llandheld Tenninals should
be
located
within
about
five meters
thnn each
other, as long
as
there
is
noU1ing blocking
ihe
path
between them.
Important!
Observe the
following
preCJiutions
to
help
ensure
that
Bluetooth
comnmuicntion
l.
s
successful.
•
Make
sure
two Handheld
1ermluals face
each
other within
five
meters.
Surrnundings
(obstacles)
between
the
Handheld
Tcmlinals
may cause
o
shorter
dtstauce.
• Mt\kc
sure
thet·c
Is
at
least
two
meters
between
the
Handheld
Tenuln al
and
other equipment
(elecit·lcnl
RJ>J!Unnccs,
audio-visual
eq
uipm
ent,
OA equilJtllcnt,
and digital
COI"tllcss telephones,
facsimile machines, etc.). Tal<c
special
care
with
microwave
oven~.
Allow
at
least
three
meters between
the
HAndheld
Tenuinnls
In wireless Ollcrnllon and
a
microwave oven. When
opct·ating
Cit
e
tc1 ·minnl in
Bluetooth
uenrby
th
ese
devices
and
electrical
appliances with
thch· powers
being
turued
on,
conununicACion may be interrupted or nt<llo
•·cce(ltlons
mny be
lnte•·fered.
•
Nonunl
coDllllunication
muy
not
be
possible
in an
area
nca1
·
a bt•ondcast
trnns-
miUer or
wireless
t:ransmitfct:
l
f
U
tis
happens,
move the
Uandhcld
Terminal
to
a
di fferent location. Nonual
communication may not
be possible
in
areas
exposed
to strong
radio
waves.
•
Interference by
WLAN
Because
Bluetootb~
and
WI.AN
use
the
snme frequency band
(2.4GHz),
radio
lntc•·fe~-cnce
c.-m
occur
if
there Is a
WLAN device nearby.
This ca\11
result
In
lower
communication
speed, or
even
mal<c
It
Impossible
to establish
a connection.
If
this
happens, try
th
e
following
countm·measures.
• Move
at
1(\ast lO
meters away from the
WLAN
device.
•
I
r
you
cattuot
keep the
distunce
at
least I 0 meters or more bel
ween
the
Handheld
Tenninal and a WLAN device, tum
on·
the power of either the
Handheld
Terminal
or the
WLAN
device.
•
Although the
Handheld
Tenninal
enables
WLAN and illuetooth
41
communication
to
be used simultaneously
as It
result of being equipped with
Rluetoothe>
Vcr.2.012.1,
communication
may not
be possible
depending on the surrounding
radio
wave
environment.
E-35
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