The measurement quoted in dB describes the ratio (10 log power difference, 20 log voltage difference, etc.) between the quantity of two levels, the level being measured and a reference.
Alt Codes for Bracketing ; Alt Code Symbol Description Alt 40 ( Open Bracket Alt 41 ) Close Bracked Alt Codes for Degree of Accuracy ; Alt Code Symbol Description Alt 241 Â± Plus or Minus Alt Codes for Fractions ; Alt Code Symbol Description Alt 47 / Fraction seperator
Data Mode Setting. The data in QR Code is encoded using five data modes namely Numeric, Alphanumeric, Byte, C40, and Kanji. Encoding data with QR Code auto data mode, QR Code Word Add-In will take care of the data mode choosing for you. The size setting of QR Code includes the setting of module, margins, and image. With Bar width, you can define the size of the QR Code module.