Extra Quality - Excelvan Barcode Scanner User Manual

| Item | Quantity | |------|-----------| | Excelvan barcode scanner | 1 | | USB cable (or RS232 cable) | 1 | | Quick start guide | 1 | | (Optional) External power supply (for RS232) | 1 |


| Problem | Likely cause | Solution | |---------|--------------|----------| | No beep / no LED | USB power issue | Try another USB port or powered hub | | Scans but types wrong characters | Wrong keyboard layout or interface mode | Scan USB Keyboard (US layout) or set PC keyboard to US | | Adds extra characters (e.g., "A") | Prefix/suffix enabled | Scan Clear prefix + Clear suffixExit with Save | | Cannot scan QR code | 2D not enabled or model is 1D only | Check model; enable 2D via configuration | | Scanner beeps 3 times | Unsupported barcode or low contrast | Try better lighting or clean barcode | | Works then stops | Sleep mode (auto power‑save) | Press trigger to wake; disable sleep via config if needed |


If your scans produce wrong characters (e.g., @ instead of "), your scanner is set to a different keyboard layout (USA vs. Europe). excelvan barcode scanner user manual extra quality


A dirty lens is the #1 killer of scan quality.

Weekly Cleaning:

Monthly Firmware Check: Excelvan rarely issues firmware updates, but if you have a "Q" series model, visit Excelvan's official support page (do not use third-party driver sites). Update only if the scanner fails to read 2025-era QR codes (DMC codes).

Cable Strain Relief: For wired scanners, 80% of failures happen at the RJ45 port. Wrap electrical tape around the cable base to create a "spring relief." | Item | Quantity | |------|-----------| | Excelvan


By default, all common types are enabled. To disable a type (reduce false reads):

For 2D models: QR Code, PDF417, Data Matrix are enabled by default. | Problem | Likely cause | Solution |


By default, the scanner sleeps after 30 seconds to save battery. This is annoying for high-volume scanning.

If you need to scan data directly into a specific ERP system or add an Enter key after every scan:

  • Scan "Exit Setup."