1. Прадукт скончыўсяview
The Symcode MJ-2877-2D is a portable wireless handheld CMOS barcode scanner designed for efficient 1D and 2D barcode reading. It offers convenient Bluetooth connectivity for use with smartphones, tablets, and PCs, making it suitable for various applications including POS systems, Android, iOS, and Windows devices.

Figure 1: Symcode MJ-2877-2D Barcode Scanner
Асноўныя характарыстыкі:
- Wireless Bluetooth operation for enhanced convenience.
- Compact size with internal storage capability.
- Ability to scan barcodes directly from phone screens.
- Compatible with Windows XP/7.0/8.0/WinCE, Windows Mobile, Android OS, and iPhone/iPad.
- Long-lasting 3.7V 1000mA Li-ion battery, providing up to 8 hours of continuous work.

Figure 2: Product Components and Analysis
2. Налада і падключэнне
2.1 Першапачатковая зарадка
Before first use, ensure the scanner is fully charged. Connect the provided changer cable to the scanner and a suitable USB power source. The 3.7V 1000mA Li-ion battery typically charges in approximately 3 hours.
2.2 Злучэнне Bluetooth
The scanner can connect wirelessly via Bluetooth 4.0 to compatible devices. A Bluetooth 4.0 receiver is included for devices without built-in Bluetooth.
- Turn on the barcode scanner. The blue light will flash, indicating it is ready for pairing.
- На вашым смартфоне, планшэце або ПК перайдзіце ў налады Bluetooth.
- Уключыце Bluetooth і знайдзіце даступныя прылады.
- Select the Symcode scanner from the list to pair. Once successfully paired, the blue light will become solid.

Figure 3: Bluetooth Connection to Devices
2.3 Фізічная зборка
The scanner may require minor assembly, such as attaching a hand strap or a clip, as shown in the product instructions.

Figure 4: Product Assembly Instructions
2.4 Installation and Removal Video
Video 1: Demonstrates the process of attaching and detaching a clip or accessory to the scanner, including the use of a screwdriver for secure fastening.
3. Інструкцыя па эксплуатацыі
The Symcode MJ-2877-2D scanner is capable of decoding a wide range of 1D and 2D barcodes.
3.1 Сканіраванне штрых-кодаў
To scan a barcode, aim the scanner's light source at the barcode and press the scanning switch. The scanner will emit a beep and the scanned data will be transmitted to your connected device.
- 1D Barcodes Supported: UPC/EAN (with supplementals), Code 39, Code 93 (full ASCII), Tri-optic Code 39, RSS variants, UCC/EAN 128, Code 128 (full ASCII), Codabar (NW1), Interleaved 2 of 5, etc.
- 2D Barcodes Supported: MaxiCode, DataMatrix (ECC 200), PDF 417, QR code, etc.
3.2 Сканіраванне з экранаў
The CMOS technology allows for efficient scanning of barcodes displayed on digital screens, such as smartphones or tablets.

Figure 5: Scanning Barcodes from a Phone Screen
4. Тэхнічнае абслугоўванне
4.1 Сыход за акумулятарам
- Charge the scanner regularly to maintain optimal battery life.
- Пазбягайце поўнай разрадкі акумулятара перад зарадкай.
- Use only the provided changer cable for charging.
4.2 Ачыстка
- Wipe the scanner's exterior with a soft, dry cloth.
- Не выкарыстоўвайце абразіўныя ачышчальнікі або растваральнікі.
- Keep the scan window clean and free of dust or debris for optimal performance.
5. Выпраўленне непаладак
5.1 Праблемы з падключэннем
- Пераканайцеся, што сканер зараджаны і ўключаны.
- Verify Bluetooth is enabled on your host device and the scanner is in pairing mode (blue light flashing).
- If using the Bluetooth receiver, ensure it is properly plugged into your device's USB port.
- Try restarting both the scanner and your host device.
5.2 Праблемы са сканаваннем
- Ensure the barcode is clean, clear, and not damaged.
- Адрэгулюйце адлегласць і вугал паміж сканерам і штрых-кодам.
- Check if the scanner's light source is active when the trigger is pressed.
- For specific barcode types, refer to the full programming manual (usually provided with the product or available from the manufacturer).
6. Тэхнічныя характарыстыкі
- мадэль: MJ-2877-2D
- Вага: 156 г
- Памеры: 13.5 х 5.5 х 10.7 см
- тtagе і ток: 5V ±0.5V DC; 300mA
- Крыніца святла: Aiming: 528nm LED, Illumination: 630nm LED
- Поле глыбіні: 50~300 мм
- Roll/Pitch/Yaw: 360°, ±65°, ±60°
- Магчымасці дэкадавання: 1D (UPC/EAN, Code 39, Code 93, Code 128, Codabar, Interleaved 2 of 5, etc.), 2D (MaxiCode, DataMatrix, PDF 417, QR code, etc.)
- Кантраст друку: Мінімальная розніца ў каэфіцыенце адлюстравання 25%.
- Выява (пікселі): 0.35 Megapixels (752 pixels H x 480 pixels V)
- Працоўная тэмпература: 0℃~50℃
- Тэмпература захоўвання: -40℃~70℃
- Вільготнасць: 5%~95% без кандэнсацыі
- акумулятар: 3.7V 1000mA Li-ion (included)
- Падключэнне: Bluetooth, USB (via changer cable/receiver)
- Сумяшчальныя прылады: Настольны кампутар, ноўтбук, смартфон, планшэт

Малюнак 6: Памеры вырабу
7. Гарантыя і падтрымка
Symcode aims to provide quality products and customer satisfaction. For any support needs or inquiries, please contact the manufacturer directly.
- Падтрымка WhatsApp: 86 13410733354
- Падтрымка па электроннай пошце: karl@mjcode.com
The manufacturer states a policy of 100% satisfaction guaranteed, regardless of purchase date.





