Specifications

      Signal Receiving box

Serial

Items

Content

1

Light signal types

850nm infrared radiation

2

Photographic chips type

CMOS high -speed chips

3

location guide

double lasers instructions

4

Power

<2W less than 2W

5

Support the screen size

40 inch to 250 inch

6

projection illumination suit

3000 illumination for 70inch

7

communication interface

usb interface

8

wired connection

support 20 metres

9

Power supply

by USB inteface

10

Coordinate calibration

13 points

11

calibration information store

Computer

12

calibration Precision

Add or reduce 2 Pixels near the calibration points, the most offset is not more than 8 Pixels in the other space

13

respond speed

25 ms

14

Remote operation

can’t

15

computer respond

Automatic identification by the system

16

Volume

120mm * 124mm * 26mm

      Photoelectric pointer

Serial

Items

Content

1

Light signal types

850nm infrared radiation

2

luminous power

2mW

3

key

Diameter is 11m. press the left key for 2second then

The right key will pop up, or choose right key in the menue

4

Batteries

2sets AA batteries  5

5

work current

30mA

6

Extendable pointer

300-660mm

7

Pen body

160mm long, Diameter is 19.6mm

      Photoelectric writing pen

Serial

Items

Content

1

Light signal types

850nm infrared radiation

2

luminous power

2mW

3

Batteries

two AAA Batteries (number 7)

4

work current

less than or equal 30mA

5

Pen body

160mm long , Diameter is 16mm

      System requirements

Serial

Items

Content

1

operating system

Windows9598me2000XP2003

2

processor

above pentium 300

3

Memory

128M above

4

hardware

above 10M for free space

5

interface

usb 1.0.usb2.0 interface

      Receiving box lay Angle and the distance

Serial

Items

Content

1

<30°less than 30 degrees

horizontal Angle from the finished axle of the Receiving box to the vertical axis of the screen center

2

<30°less than 30 degrees

The vertical angle from the the finished axle of the Receiving box to the vertical axis of the screen center

3

2 M

screen size 70”

4

2.8M

screen size 100”

5

3.4 M

screen size 120”

6

4.1 M

screen size 150”

7

5.2 M

screen size  200”