Scan barcodes from the manual’s configuration section to toggle modes and set parameters.
| 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 suffix → Exit 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 | excelvan barcode scanner user manual extra quality
If you cannot find a specific setting in your physical leaflet: Scan barcodes from the manual’s configuration section to
Note: If you have the specific model number (e.g., Excelvan EV-XXXX), you can often find a higher-resolution PDF manual by searching specifically for that model number plus "PDF setup guide," as the paper manuals are often condensed versions. If you cannot find a specific setting in
Before changing settings, test the scanner on a damaged barcode. Find an old receipt with a crumpled QR code or a faded UPC label.