LCD one machine

                                                  Multimedia LCD integrated machine parameters

(I) hardware technical parameters:

1. Display technology: a-gauge LED LCD screen;

2. Display proportion: 16:9;

3. Display size: 55-86 inches;

4. Display area: full-screen display;

5. Display resolution: 3840x2160;

6. Visual Angle: ≥178°;

7. Brightness: ≥500nits;

8. Contrast: 5000:1;

9. Function interface: front 2 HDMI; Front touch-usb 1, front tv-usb 1, front pc-usb 3.0 1, front pc-usb 2.0 1.

★10. With hidden touch menu function, including power, input source, menu, volume, brightness, energy saving and one-button restore function, support to turn off the built-in computer and backlight, support energy saving mode and tap the screen to wake up, convenient teaching.

11. In order to facilitate teaching and reduce the failure rate, the machine requires no more than two physical keys, and has a physical one-key restore function.

Taken the 12. The TV switch, the computer switch and the energy saving standby key have the function of three keys in one.

★13. Front stereo speakers.

14. Standby power ≤ 0.5w;

15. Writing surface material: 4mm fully toughened high explosion-proof anti-glass, anti-scratch and anti-collision;

16. Automatic memory function of channel mode to facilitate users to remember the use status;

(ii) structural requirements:

1. The whole machine is designed with integrated touch, computer and display. There is no external connection except the power cord.

2. Material: the front frame is made of aluminum alloy, and the back shell is made of all metal, which makes it durable and fireproof

(iii) requirements for touch screen:

1. Touch sensing: embedded infrared touch technology (not plug-in);

2. Infrared touch technology: true multi-touch, ≥20 touch; Can write and erase the function of ten people at the same time, without interference;

3. Communication port of infrared touch system: USB;

4. Writing method: any opaque object touched after ≥ 5mm;

5. Response speed: <5ms;

6. Positioning accuracy: test pen accessories +3mm;

7. Cursor speed: ≥ 120 points/second;

8. Durability: withstand more than 60,000,000 single touches;

9. Operating system: Windows7/ Windows8/ Windows10.

(iv) requirements for built-in computer of all-in-one machine

1. Combination design of computer and TV, computer host adopts pin type OPS structure, without any external power line and signal line. The computer host can be taken out directly from the side of the TV body, which is convenient for upgrading and maintenance.

2.CPU: Intel i3 processor;

3. Memory: DDR3 4G memory;

4. Hard disk: 128G solid state;

5. Built-in WiFi;

6.2 group or more USB input;

7.1 group 1000M RJ45 network interface;

8. Adopt OPS industrial main board.

(v) requirements for supporting system software:

1. Professional teaching software: integrate whiteboard software, booth software, and mobile teaching software, switch with one key, and reject third-party teaching software; (provide comprehensive teaching software copyright certificate of interactive smart classroom)

2. Teaching mode: including at least 4 teaching modes (editing mode (lesson preparation mode), full-screen mode (teaching mode), labeling mode, and PPT teaching mode);

3. View function: there are at least two modes of editing and full-screen. The editing mode can be dragged at will to adjust the position of the toolbar and the resource library in order to facilitate the lesson preparation, and the full-screen mode can facilitate the lesson.

4. Interactive teaching classroom function: with the function of remote teaching, interactive teaching can be conducted by multiple devices. Teachers can create a class, and students can participate in the interactive teaching after joining the class. Students can operate on their own computer, the content of the operation will be published to the teacher and other students to achieve interactive classroom. (provide software copyright certificate of home-school interactive teaching platform)

5. Edit mode toolbar customization: you can adjust the location and order of toolbar and resource library at will;

6. Toolbar in full-screen mode: support horizontal and vertical toolbar rows, and one-key conversion of horizontal and vertical toolbar rows;

7. Shortcut key customization of transparent annotation mode: support shortcut key customization under transparent page;

8. Software interface skin peeling function: it contains at least 5 kinds of skin themes (gray, light blue, pink, black, orange and light green);

9. Page functions: new whiteboard page, new picture background page, new screen page, previous page, next page, home page, last page, page zoom in, page zoom out, page playback, undo, redo;

10. Chinese and English text: the icon directly display text, convenient and quick operation, refused to stop the mouse in this area, the text display;

11. Brush function: contains at least 9 pen tools (pencil, soft pen, brush, highlighter (translucent pen), texture pen, drawing pen, smart pen, object pen, double pen);

12. Eraser function: contains at least 5 erasing functions (object erasing, bitmap erasing (to accurately erase the edges and corners of lines), picture erasing, page erasing and gesture erasing);

13. Gesture recognition: contains at least 4 gesture applications (two-finger roaming, two-finger scaling object, two-finger rotating object, automatic recognition of erasable width, automatic recognition of erasable gesture)

(vi) software requirements for the teaching system:

The system realizes the purpose of integrating teachers' preparation and teaching, and can switch to teaching mode at any time with one key in the course of lesson preparation.

Lesson preparation mode:

1. Provide cloud education resource library and local education resource library. Teachers can not only find abundant public courseware and teaching materials in the cloud resource library, but also upload local existing courseware and teaching materials to the local resource library, which is convenient for teachers to call from the two resource libraries at any time.

2. The teacher can select and switch the teaching material version, grade, subject and chapter, and support the setting as the default option, which is convenient for the teacher to quickly locate and invoke the courseware of the class.

3. The cloud education resource library matches the textbook catalog and knowledge points. Teachers do not need to search when preparing lessons.

4. All the courseware pages in the cloud education resource library can be called with one key, or the specified page can be directly inserted into the courseware.

5, the local resource library supports the import of courseware, video, pictures, Flash, audio and other types of teaching resources, the import of finished courseware support a key call.

6, support the rapid insertion of local pictures, video, Flash and audio teaching materials.

7. Courseware resources in PPT format should be compatible, and teachers can directly call the local PPT courseware.

8. Cloud education resource library and local education resource library support keyword fuzzy search function.

9. Support preview, drag and drop, and insert required teaching resources and materials during courseware editing.

10. Provide network disk function. Teachers can upload courseware, videos, pictures, Flash, audio and other teaching resources to the network disk and save them.

(vii) wall hanging hd booth parameters requirements (optional) :

One, the hardware part

1. Image number: ≥5 million pixels resolution: 2592*1944

2. TV line: ≥1000 line focus mode: prime

3. Image refresh frequency: 30 frame rate/second (1080P mode)

4. Special effects: negative film, rotation, contrast with the screen, mirror image, text, black and white, picture in picture, zoom/zoom, automatic focus, etc

5. Input interface: USB2.0x2

6. The body is equipped with multiple buttons: black and white, dynamic, negative, rotation, undo, default value, auto focus (optional), text, color, brightness, etc

7. With microphone, you can record voice synchronously and record and broadcast hd AVI format

8. LED auxiliary light on both sides of the lens is designed to make the illumination more uniform and the image no spot

9. Lighting control: three-level LED dimming (five-level dimming is optional)

10. Camera control: brightness, exposure, sharpness, color adjustment, black edge removal, image color adjustment, image cutting;

11, white balance: automatic exposure: automatic

12. Scan image format: JPG, TIF, PNG, BMP output document format: PDF DOC TXT

13. Expanded size: 420*340*450mm, closed size: 420*340*80mm

14, independent power lock, more safe and reliable

15. Appearance material: cold-rolled steel; Built-in case lock, security against theft; Opening mode: advanced hydraulic rod design, with high-grade aluminum alloy handle;

2. Software functions and parameters

1. Equipped with software functions such as video booth, quick scan, whiteboard annotation, courseware recording (screen recording function), contrast teaching, quick drawing and so on. Each interface of the software has a quick navigation jump function, convenient for teachers to quickly switch functions.

2. Video display can be realized by the software of dynamic real-time rotate and zoom: according to the 1% gradient video display content to the mouse point as the center, in real time according to the free stepless scale of 600% 1% gradient, by computer control can be manual or automatic adjustment, belt is negative switching, realize the conversion between black and white/color, color adjustment, contrast, brightness adjustment, with backlight compensation.

3. Video display software with central control "one-key switch" display video and computer file display function: can achieve teaching courseware (such as PPT, word, video files, etc.) and video display content "one-key switch", that is, soft control, easy to use teachers, convenient interactive teaching use.

4. With the mouse or wireless pointer on the ordinary projection screen for whiteboard annotation teaching and video recording: can be marked freely, support 16-bit color labeling, transparency can be set, stroke thickness can be set, a variety of graphics, text, can be saved and recorded, namely simple electronic whiteboard.

5. With the same screen multi-picture contrast teaching function: support the "micro video production" function, the teaching materials and teaching environment of double video with the same screen display, scan, recording micro video for the teacher's teaching. Support dual video screen with the same screen display, control respectively zoom in and out and whiteboard labeling, comparative teaching.

6. Hd courseware making: any manual explanation process or whiteboard explanation process on electronic materials within the scope of the exhibition can be recorded into hd courseware in AVI format, which can be used for classroom playback or data accumulation of school resources. A full-screen recording of the lecture. PPT can be recorded to explain the process, can record a variety of software or website content of the explanation process, make audio courseware.

7. Document scanning and management: support new, delete, rename, support multi-level folder, support the mouse directly drag pictures to change the folder of picture files; Support automatic continuous scanning, the speed can be set; Support for local image scanning, support for multiple pictures into a book, and a reader. Support for books and a group of pictures one-click conversion to PDF files, and with a PDF reader.

8. With video pictures directly dragged into the teaching PPT and word, quickly show the content into courseware.

9. Stepless rotation and correction: it is convenient to rotate and correct any Angle of the video content.

(viii) requirements for composite shielding plate (optional) :

1. Overall size: 4000mm×1260mm

2, the writing surface material: the south Korean technology board of the lacquer that bake, blackish green color, inferior smooth, no cracks, no flow mark, no defects such as bubbles, exquisite and smooth, no residue after writing smooth, clear, clean, wear resistance, corrosion resistance, tonal and downy, fashionable and beautiful, students can normal watch any Angle, good visual effect, effectively protect the teachers' and students' vision health.

3. Inner core material: moisture-proof, sound-absorbing, high-strength lining board, international applicable technology, no creak when writing, improve writing feel.

4, the back plate: the use of high quality anti-rust hot galvanized steel, a production line molding.

5, the board and lining board paste: the use of environmental protection adhesive, mechanized production, high temperature molding, high compliance with the degree of longer service life.

6. Border material: ultra-wide luxury high-strength industrial electrophoretic champagne-colored aluminum alloy outer frame.

7, Angle material: the aging proof, fatigue resistance and specifications of 57 mm x 57 ㎜ wall thickness 2 ㎜ ABS engineering plastics, streamlined design, dust-free Angle, a forming die.

8. Panel assembly material: equipped with side u-shaped inlaid block containing shock-absorbing rubber sleeve and pull-out dust box, which will not produce excessive noise in the process of use and facilitate the cleaning of chalk dust