ACK/NAK Data Flow Examples Setup 1 RES 0x00 (disabled) REQ 0x00 (disabled) STX 0x00 (disabled) ETX 0x00 (disabled) ACK 0x06 NAK 0x15 LRC disabled Transfer 1 HOST_TX <K141,0> SCANNER_TX `ACK' Transfer 2 HOST_TX <K141?> SCANNER_TX `ACK' SCANNER_TX <K141,0> HOST_TX `ACK'
0x00 (disabled)
0x06
0x15
disabled
Transfer 1
<K141,0>
`ACK'
Transfer 2
<K141?>