Often caused by a dead battery. Charging for at least 30 minutes is recommended before testing.
Scan this barcode to change advanced settings: [PATCHED_SETUP_BARCODE_1] (Visual representation not possible in text – in real manual, this would be a barcode image. In practice: the patched version often uses 123456 as the "Enter Setup" barcode.) nadamoo barcode scanner yhd5100 manual patched
The YHD5100 shares hardware with several other popular scanners. If you cannot find the Nadamoo manual, manuals for the Netum NS02 or generic "2D Wireless Scanner" manuals usually work. The configuration barcodes (for adding prefixes, suffixes, or changing languages) are often identical. Often caused by a dead battery