27
X.
Parameter
Table
of
the
Machine
1
The
built
‐
in
computer
CPU
Intel
Core
four
I3
dual
core
four
threads,
basic
frequency >=3.0
GHz;
Internal
memory—DDR3
1600
4GB
；
Hard
disk—500GB
；
Intel
HD
Graphics
；
VGA
、
HDMI
、
Line
‐
out,
Mic
‐
in,
2*USB3.0,
1000M
LAN;
Motherboard
‐
based
on
desktop
scheme
H61
or
board
above
,
integrated
high
performance
Intel
HD
Graphics;
including
VGA,
HDMI,
Line
‐
out,
Mic
‐
in,
2*USB3.0,
1000M
LAN;
2
Projector
Simultaneously
support
all
types
of
projector
turning
on/off,
VGA
signal
switching,
energy
saving
mode
setting,
and
to
replace
the
projector
you
only
need
to
replace
corresponding
serial
line,
and
projector
control
information
is
written
into
the
internal
control
system
by
software
3
Electronic
touch
whiteboard
White
outer
dimensions
：
1893.4*1250*57.6mm
，
outer
dimensions
89”
；
Touch
control
area
dimensions
：
1656.1*1140.1mm
，
that
is
79”
；
The
best
projection
area
dimensions
（
4:3
）：
1497.6*1123.2mm
，
that
is73.7”;
Touch
technology:
supports
up
to
32
driving
free
point,
32
driving
point
;
support
any
opaque
materials
writing;
support
zero
pressure
touch;
anti
‐
glare;
anti
unilateral
80%~100%
occlusion;
work
on
average
current
of
295mA,
the
life
of
60000
hours;
minimal
recognition
point
3mm*3mm;
support
for
touch
object
size
identification;
compatible
with
Windows
8,
Windows
7,
Windows
Vista,
Windows
XP,
Mac
OS;
4
Central
Control
System
Access
Control
RF
card:
working
current:
22.5mA,
dormancy
current:
12.5mA;
IC
registration
number
<=256
pcs;
swiping
distance
<=3cm;
Numbering
password:
contains
the
default
password,
the
password
can
be
registered
and
deleted,
6
numbers.
Power
amplifier
2*20W@112dB
Multi
‐
function
USB
Whether
it
is
for
connection
to
a
host
or
external
laptop,
a
USB
port
has
implemented
to
read
and
write
audio
and
USB
,
and
external
USB
has
automatic
switching
function
Record
Realize
the
full
range
of
recording
function
through
the
tape
recorder
comes
with
the
win7
system,
so
that
all
the
voice
we
can
hear
from
the
loudspeaker
can
be
recorded,
including
the
expansion
of
music,
chat
voice,
wireless
mic,
external
computer,
etc.,
recording
time
is
not
restricted.
2.4G
wireless
voice
Model:
JF
‐
303A;
The
receiving
current:
not
on
the
code
38.5mA,
on
the
code
26.1mA
;
Directivity:
capacitance
type
single
direction;
sensitivity:
‐
38
(dB);
Frequency
range:
40Hz
‐
16KHz;
modulation:
GFSK;
carrier
frequency:
2400
‐
2482Mhz;
effective
distance:
10~20
meters;
RF
Power:
0dB;
the
transmitter
working
voltage:
3.7V
polymer
lithium
battery;
continuous
working
time:
8
‐
10H;
Equipped
with
four
functions,
i.e.
the
wireless
microphone,
PPT
turn
page,
the
laser
pointer
and
remote
controller
the
computer
music
player.
Communicatio
n
mode
Control
and
host
：
USB
Control
and
the
projector:
232
serial
port
5
The
built
‐
in
booth
Model:
P500S;
1/2.5
inches
dedicated
CMOS
photographic
lens,
500W
pixel,
support
300
times
zoom,
working
resolution:
2592*1944,
rate:
XVGA
mode
30fps/s,
automatic
aperture,
automatic
white
balance,
support
USB
pure
digital
output,
support
the
format
of
the
90
degree
rotation,
single
USB
power
supply.
