Interactive
White
Board
Operating
Instruction
Before
operating
the
unit,
please
read
this
manual
thoroughly,
and
retain
it
for
future
reference.
Safety
Warning
Before
operating
the
unit,
please
read
this
manual
thoroughly,
and
retain
it
for
future
reference.
Placement
Do
not
place
the
unit
on
an
unstable
cart,
stand,
tripod,
bracket,
table,
or
shelf.
Do
not
expose
the
unit
to
direct
sunlight
and
other
sources
of
heat.
Do
not
place
the
unit
near
appliances
that
create
magnetic
fields.
Do
not
handle
liquids
near
or
on
the
unit.
Never
spill
liquid
of
any
kind
into
the
unit
Do
not
put
heavy
objects
on
top
of
the
unit.
Power
Supply
Check
that
the
unit’s
operating
voltage
is
identical
with
your
local
power
supply.
Please
unplug
power
supply
and
aerial
plug
during
a
thunder
(lightening)
storm.
Please
unplug
power
supply,
when
there
is
nobody
at
home
or
not
using
over
a
long
period
of
time.
Please
protect
power
cord
from
any
physical
or
mechanical
damage.
Please
use
power
cord
provided,
don't
modify
or
lengthen
it.
Please
check
and
ensure
AC
source
is
grounded.
For
55/65/70/84
inch
Display
equipment:
Fuse
rating
in
inlet
is
6.3A,
250
VAC.
LCD
Screen
Never
use
any
other
tough
or
sharp
object
to
replace
with
the
original
touch
‐
write
pen.
Unplug
the
power
supply
before
cleaning.
Clean
the
screen
with
a
soft
dustless
dry
cloth.
Never
use
water
or
detergent
to
clean
the
unit.
For
deep
clean,
contact
an
authorized
service
center.
Please
don't
display
the
high
brightness
image
on
the
screen
for
a
long
time.
Observation
Distance
The
best
distance
between
audience
and
screen
is
5
‐
7
times
that
of
screen
size
diagonally.
The
best
watching
angle
between
audience
and
screen
is
within
176
degrees.
Temperature
Do
not
place
the
unit
near
a
radiator
or
heater.
If
your
unit
is
suddenly
moved
from
a
cold
to
a
warm
place,
unplug
the
power
cord
for
at
least
two
hours
allowing
the
moisture
that
may
have
formed
inside
the
unit
to
dry.
Normal
operating
temperature
is
0~40
℃
,
storage
temperature
is
‐
20~60
℃
Humidity
Do
not
expose
machine
to
rain,
damp
area
or
place
near
water.
Ensure
the
indoor
operating
humidity
is
10~90%,
storage
humidity
is
10~95%.
Ventilation
Keep
all
ventilation
openings
clear.
Ensure
that
the
unit
has
enough
space
for
ventilation
around:
left,
right
and
back
>10cm,
top>
20cm.
Standby
Standby
mode
will
not
turn
off
the
unit.
Press
Power
button
on
remote
unit
to
activate
standby
mode.
