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75/86 inch infrared memory smart blackboard

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Features:

The infrared memory blackboard is based on the F-Engine core technology solution and deeply customizes the underlying software and hardware. It combines traditional blackboard writing with high-precision infrared touch and ultra-high-definition large-screen display to create a new model that is interconnected, easy to learn and use, and combines software and hardware. Blackboard form.

  1. The infrared memory blackboard adopts a four-sided infrared and three-spliced ​​plane integrated design. It has no push-pull structure and exposed connecting wires. It has a simple appearance without any visible internal functional module connecting wires.
  2. Supports one-click (touch buttons on the left and right sides of the main screen) to open the memory storage function of the smart blackboard main screen or secondary screen. The main screen memory is stored as one-click to open the interactive whiteboard; the secondary screen memory is stored as one-click to open the whiteboard and small blackboard under the premise that the interactive whiteboard is turned on. The memory functions of the secondary screen are all controlled by the main screen. The secondary screen can be completely written without any physical keys, silk screen buttons, labels, etc.
  3. The main screen and the secondary screens on both sides support direct writing with ordinary chalk. The content written on the secondary screens on the left and right sides can be displayed simultaneously on the main screen.
  4. Supports blackboard eraser to erase blackboard writing on the secondary screen. At the same time, when erasing, if the main screen selects the eraser mode, the electronically recorded handwriting on the main screen will be erased simultaneously.
  5. True full sticker technology. Adopting lamination technology with independent intellectual property rights, it achieves true zero-distance full lamination. It achieves zero gap and no air layer between the tempered glass and liquid crystal, reducing reflection and refraction, making the display and picture clearer and more transparent, but with a wider angle.
  6. Full-featured Type-C on the front: Full Type-C on the front supports audio and video transmission, data transmission, touch backhaul, and fast charging. The fast charging function uses automatic load balancing technology based on the F-Engine solution.
  7. The combination of software and hardware enables multi-screen interaction, supports multiple terminals and multiple devices, which facilitates teachers’ mobile teaching and comparative teaching, increases the interaction between teachers and hungry students, and makes teaching more vivid.
  8. It comes with a built-in 1300-pixel camera and array microphone. The dual system supports video and audio recording, making it convenient for micro-lecture production.

Display

Size

86 inches

Backlight type

LED

Display area

1895.0 (H) * 1066.0 (V) mm

Resolution

3840 * 2160

Brightness

500 cd/㎡

Contrast ratio

5500:1

Response time

8ms

Color gamut

≥72%

Viewing angle

≥178°

Refresh rate 60Hz

60Hz

Touch

touch panel

3.2mm anti-glare tempered glass

touch technology

infrared

Touch points

20 o’clock

Touch accuracy

± 1 mm (middle 90% touch area)

Response time

≤12ms

Upload frame rate

≥83.3%Hz

minimal touching object

3mm (middle 90% area)

Android

Central Processing Unit (SOC)

MT9630

operating system

Android 11.0

CPU

ARM CA53*4

RAM

4G

Storage ROM

32G

Interface

Front interface

HDMI

HDMI in*1

Touch USB

Touch USB*1

Type C

TYPE-C USB*1

USB

USB3.0*3

Rear interface

Touch USB

Touch USB-B *1

USB

USB 2.0*1(Android)

USB

USB 2.0*1(Shared between Android and OPS)

HDMI

HDMI in  2.0*1

TF card

Micro  SD*1

TV

Tuner *1

LAN

RJ45 *1

control

RS232 *1

VGA

VGA in*1

video

Mini AV in*1;

Mini Ypbpr in*1

Audio

3.5mm output*1(headphone jack)

PC audio in*1(VGA audio input)

COAX Coaxial audio input

MIC interface

Audio

speaker

2*15W

network

WiFi

WiFi 2.4G Hz/5G Hz (dual frequency)

AP hotspot launch

2.4GHz/5GHz dual-band, 802.11 a/b/g/n/ac

Button/Remote Control/Light Sensing

button

6 keys

remote control

infrared

power supply

Operating Voltage

100-240VAC 50/60Hz

Standby power consumption

Less than 0.5w

Maximum power

Less than 500w

size and weight

Overall size

4202*1189mm

weight

87kg in the middle and 35kg on both sides (excluding booth structure)

Environmental parameters

storage temperature:

-20℃~60℃

Storage humidity

10%~90%

Operating temperature

0℃~50℃

Working humidity

10%~90%

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