10
Example:
Write 0x3E into register 0x000A
1) Write operation succeeds:
Command sent:
0x7E 0x00 0x08 0x01
0x00 0x0A
0x3E
0x4C 0xCF
Message received: 0x02 0x00 0x00 0x01 0x00
0x33 0x31
2) CRC check fails:
Command sent:
0x7E 0x00 0x08 0x01
0x00 0x0A
0x3E
0x11 0x22
Message received: 0x02 0x00 0x01 0x01 0x00
0x04 0x01
3) Situations that may cause the engine to respond with an invalid command message: Command sent is
shorter than the required length, or the third byte is not sent out within 400ms after the first two bytes
“0x7e 0x00” are sent
Command sent: 0x7E 0x00 0x08 0x01
0x00 0x0A
0x3E
Message received: 0x02 0x00 0x03 0x01 0x00
0x6A 0x61
Summary of Contents for XL-3956 Series
Page 1: ...XL 3956 2D Barcode Scanner User Manual...
Page 8: ......
Page 61: ...53 Good Read Beep Frequency Low Medium High Good Read Beep Duration 40ms 80ms 120ms...
Page 114: ...106 Mirror Images Decode Unmirrored DM Only Decode Mirrored DM Only Decode Both...
Page 116: ...108 Mirrored Micro QR Decode Mirrored Micro QR Do Not Decode Mirrored Micro QR...
Page 133: ...125 Appendix F Digit Barcodes 0 5 0 1 2 3 4 5...
Page 134: ...126 6 9 6 7 8 9...
Page 135: ...127 A F A B C D E F...