Kercan Barcode Scanner Manual -
You can use this as a template or adapt it for specific Kercan models (e.g., wired, wireless, 1D/2D).
3. Programming & Customization (Core of the Manual)
Kercan manuals rely on scanning special barcode menus – no software required.
What’s well documented:
- Enabling/disabling symbologies (UPC, EAN, Code 128, QR, PDF417).
- Add/remove prefix/suffix (e.g., tab, enter).
- Invert color reading (white on black labels).
- Data formatting (e.g., strip first 2 characters).
What’s unclear or missing:
- No examples for compound programming (multiple changes in one session).
- Factory reset barcode location is often buried.
- Bluetooth pairing reset procedure is easy to miss.
- No explanation of code ID transmission (useful for POS systems).
Verdict: Powerful but assumes some prior scanner programming experience.
8. Troubleshooting
- Scanner not recognized:
- USB-HID: try different USB port, test on another PC, check Device Manager (Windows). For HID it won’t show as COM.
- USB-COM: install/refresh drivers, verify COM port assignment.
- RS232: verify cable wiring and voltage levels.
- Scans produce wrong characters:
- Check keyboard layout (region) on host — mismatch causes different characters.
- Verify suffix/prefix and inter-character delay settings.
- Misreads or no decode:
- Clean scan window; ensure barcode contrast and size meet scanner specs.
- Increase scan distance or angle; check precision/resolution (e.g., 4 mil limit).
- Disable similar symbologies to avoid false decodes.
- Scans intermittently fail:
- Switch trigger mode; try continuous mode. Update firmware if available.
- Scanner beeps rapidly then stops:
- Often indicates setting error or stuck programming mode — scan “Reset to factory defaults” barcode.
1. Adding a Suffix (e.g., Automatic "Enter" or "Tab")
Retail POS systems often require an “Enter” keypress after each scan. kercan barcode scanner manual
How to program (Standard Kercan method):
- Step 1: Locate the “Suffix” section in the manual.
- Step 2: Scan the “Add Suffix” barcode.
- Step 3: Scan the barcode for “Enter” (usually represented as
0x0Din hex). - Step 4: Scan the “Save” barcode.
If you don't have the manual, a universal workaround is scanning a "Enter" barcode from an online generator, but Kercan manuals provide model-specific hex values.
Part 3: The Programming Manual (Programming Barcodes)
Unlike complex software, Kercan scanners are configured by scanning special configuration barcodes found in this manual. You do not need software. You can use this as a template or
Part 5: Advanced Configuration via Serial Commands (For Tech Users)
Beyond barcode programming, Kercan scanners allow configuration via serial commands (using software like Hercules or Putty). This is detailed in the advanced section of the official manual.
Common serial commands (Example for USB Virtual COM Port):
- Reset:
FF AA 01 00 00 - Beep Enable:
FF AA 02 01 00 - Set HID mode:
FF AA 05 00 00
These are useful if you are integrating the scanner into a kiosk or robotic system. 5. Data Formatting
The "USB Not Recognized" Fix
- Windows: Go to Device Manager → Uninstall "Unknown USB Device" → Reboot.
- Mac: Go to System Report → USB → Reset SMC.
- POS (Android): Go to Settings → Language & Input → Current Keyboard → Select "External Keyboard".
5. Data Formatting
- Upper Case Only: Converts all scanned letters to capitals.
- Lower Case Only: Converts to lowercase.
- Remove Leading/Trailing Characters: Program the number of characters to strip.
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