Mode Indicator

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Also known as: mode bits

A 4-bit prefix at the start of each data segment identifying the encoding mode: 0001 (numeric), 0010 (alphanumeric), 0100 (byte), 1000 (kanji), 0111 (ECI), 0000 (terminator).

Related Terms

Encoding Mode Character Count Indicator Terminator Structured Append

Encoding Modes: Numeric, Alphanumeric, Byte, Kanji, and ECI

QR Code Fundamentals

…the digits, saving space. Each mode switch costs a 4-bit mode indicator plus a character count indicator. Choosing the Right Mode…

QR Code Data Capacity: Maximum Characters by Version and Mode

QR Code Fundamentals

…characters and identify the encoding mode Add overhead: mode indicator (4 bits), character count indicator (varies), and…

Structured Append: Splitting Data Across Multiple QR Codes

Error Correction & Data Integrity

…append header appears at the beginning of the data stream: Mode indicator: 0011 (Structured Append mode) Symbol sequence indicator:…

QR Code Encoding Algorithm: Step-by-Step Implementation

QR Code Development

…→ 6 bits Byte : Each byte → 8 bits directly Prepend the mode indicator (4 bits) and character count indicator (variable length by…