1. Produktet er slutview
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
Nøglefunktioner:
- 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. Opsætning og tilslutning
2.1 Indledende opladning
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 Bluetooth-forbindelse
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.
- On your smartphone, tablet, or PC, go to the Bluetooth settings.
- Aktiver Bluetooth og søg efter tilgængelige enheder.
- 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 Fysisk samling
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. Betjeningsvejledning
The Symcode MJ-2877-2D scanner is capable of decoding a wide range of 1D and 2D barcodes.
3.1 Scanning af stregkoder
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 Scanning fra skærme
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. Vedligeholdelse
4.1 Pleje af batterier
- Charge the scanner regularly to maintain optimal battery life.
- Undgå at aflade batteriet helt før genopladning.
- Use only the provided changer cable for charging.
4.2 Rengøring
- Wipe the scanner's exterior with a soft, dry cloth.
- Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Keep the scan window clean and free of dust or debris for optimal performance.
5. Fejlfinding
5.1 Forbindelsesproblemer
- Ensure the scanner is charged and powered on.
- 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 Scanningsproblemer
- Sørg for, at stregkoden er ren, tydelig og ikke beskadiget.
- Juster afstanden og vinklen mellem scanneren og stregkoden.
- 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. Specifikationer
- Model: MJ-2877-2D
- Vægt: 156 g
- Dimensioner: 13.5 x 5.5 x 10.7 cm
- Voltage og Strøm: 5V ±0.5V DC; 300mA
- Lyskilde: Aiming: 528nm LED, Illumination: 630nm LED
- Dybdefelt: 50-300 mm
- Roll/Pitch/Yaw: 360°, ±65°, ±60°
- Afkode muligheder: 1D (UPC/EAN, Code 39, Code 93, Code 128, Codabar, Interleaved 2 of 5, etc.), 2D (MaxiCode, DataMatrix, PDF 417, QR code, etc.)
- Udskriftskontrast: 25% minimum reflektans forskel
- Image (Pixels): 0.35 Megapixels (752 pixels H x 480 pixels V)
- Driftstemperatur: 0℃~50℃
- Opbevaringstemperatur: -40℃~70℃
- Fugtighed: 5%~95% ikke-kondenserende
- Batteri: 3.7V 1000mA Li-ion (included)
- Forbindelse: Bluetooth, USB (via changer cable/receiver)
- Kompatible enheder: Stationær computer, bærbar computer, smartphone, tablet

Figur 6: Produktmål
7. Garanti og support
Symcode aims to provide quality products and customer satisfaction. For any support needs or inquiries, please contact the manufacturer directly.
- WhatsApp Support: 86 13410733354
- E-mail support: karl@mjcode.com
The manufacturer states a policy of 100% satisfaction guaranteed, regardless of purchase date.