Labels:text | screenshot | font | number OCR: Handshake Fallback Error Check Batch Long Packets Dialect NAK G Checksum NO No XModem C NAK CRC-16 No Yes XModem-1K C NAK CRC-16 No No XModem-CRC NAK CRC-16 Yes Yes YModem G CRC-16 Yes Yes YModem-G Table 3: Handshakes.