Brand: UNISMART
Model: UN75S
DLED display (Direct DLED backlight)
Real resolution: 3840*2160 (4K),
Display aspect ratio: 16:9,
Resolution size (pixel size): 0.372mm x 0.372mm,
Total display colors: 1.07B (10-bit),
Brightness: 450 cd/m2,
Contrast ratio: 5500:1,
Refresh rate: 120 Hz,
Viewing angle: Horizontal (178 degrees), vertical (178 degrees),
Accuracy: <=2mm,
Response speed: <2 milliseconds,
Minimum backlight life: 65,000 hours
Front input port: USB3.0*3 Port (Android & PC); Touch out USB B type*1 port; HDMI in 2.0*1 port
Rear input port: HDMI x2 in, VGA x1, 3.5mm AV x1, 3.5mm YPbPr x1, 3.5mm Audio x1, USB-A 2.0 x2, OPS x 1,USB-B 2.0, (TOUCH) x1
Supported operating systems: Windows, Linux, Mac OS, Chrome, Android
Screen surface: 4mm thick tempered glass, 7 Mohs hardness.
Coating surface: Anti-glare, anti-fingerprint, anti-eye damage.
Sensor: Infrared touch.Maximum touch point: 20 points (40 points Window).
Touch method: Using pen or finger.
Touch response time (milliseconds): <2
Operating system and version: Android 11. CPU: Quad-Core A55 1.9GHz.
RAM (Gigabytes): 4 GB (8GB option).
Read memory (Gigabytes): 32 GB (64/128 GB option)
Speaker power: 15W*2 （20W*2 option). 2.0 Stereo Sound
Subwoofer (20W*1 option)
Power consumption: 420 W Max, 280W
Standby power (W): <0.5
Product size (mm): 1692.1 * 97.5 * 1021.9
Weight (kg): 51
TECHNOLOGY FEATURES
- Function to return to the previous screen in Android applications - return to a level in an application or return to a page in the browser.
- Integrated wireless data transmission function, running multimedia and viewing video, audio, image files,
- Integrated whiteboard function initializes and saves an electronic board that supports writing, drawing, entering images and annotations 'on this board, then sharing the written content via applications.
-Internet access function with built-in web browser
-Viewing and presenting documents, videos and photos
-Wireless content sharing from any devices
-On-screen source and setting change function without remote control including 08 icons.
-Function allows drawing (annotating) on any video input source screen. It is then possible to take screenshots of the annotation and current video image. Also allows annotation on any background, without affecting the original image
-Function allows browsing to select files or images to view or upload to the touch screen
-Function takes screenshots of any displayed image, expands or enlarges to full screen and saves it to internal memory (default).
-Automatic shutdown time setting function; automatic wake-up function via LAN.
-Function uses SpotLight tool to focus attention on a specific area of the screen. Can control to change the size of the projector and the opacity of the rest of the screen
-4K Interactive Whiteboard function on Android, choose 1.7 million color board background color, Share images of the screen running software with the whiteboard via QR code for smart devices.
-Integrated Stopwatch and countdown timer function on the screen helps teachers to time, track the time of doing the test. Can change the countdown setting by touching the screen and entering the countdown time. Press start to record the elapsed time, can pause the countdown, reset or continue counting
-Image parameter adjustment function (Brightness, Contrast, Sensitivity and Saturation)
-Image mode adjustment function (Standard, Lightness, Soft, User, PC, Eye Pro)
-Automatic or manual date and time setting function.
-Automatically adjusts the screen brightness to suit the ambient light (Auto backlight)
- The interactive board has two modes: Edit and full screen mode. The annotation mode is for lesson preparation and the full screen makes teaching easier. These two modes can be switched more easily during operation.
- Tools such as video recording, photo capture, image insertion, etc.
- PPT notes
- Runs 2 operating systems Android and Window or Linux in parallel
- Full screen writing and drawing mode
- Transparent note mode on all software.
- Pen mode: Pencil, Soft pen. Brush pen, Marker pen, Texture pen, Brush pen, Smart pen, Object pen, Dual pen.
- Transparent note mode on all software.
- Tools such as video recording, photo capture, image insertion...
- The software provides 6 types of interface colors according to the user's preference, Software toolbar color mode: Default, Light blue, Pink, Yellow, Green, Golden.
- Video camera mode (with 90°, 180°, 270° image rotation)
- Page addition mode: Blank page, Image page (with grid page, music page, line page), Screen page, Transparent note page.
- Insert mode: Text, Image, Image window, Flash, Video, Table, Audio, Web link.
- Mobile interaction mode: QR code Scan mobile (smart phone), QR code download mobile application (Smart phone).
Pencil: Pencil is commonly used
