60
Video Reverse
Regular barcode: Dark image on a bright background.
Inverse barcode: Bright image on a dark background.
The examples of regular barcode and inverse barcode are shown below.
Regular Barcode
Inverse Barcode
Video Reverse is used to allow the engine to read barcodes that are inverted.
Video Reverse ON
: Read both regular barcodes and inverse barcodes.
Video Reverse OFF
(default): Read regular barcodes only.
The engine shows a slight decrease in scanning speed when Video Reverse is ON.
Video Reverse ON
** Video Reverse OFF
Summary of Contents for NLS-EM2000
Page 1: ...NLS EM2000 Embedded 2D Barcode Scan Engine User Guide...
Page 3: ...Revision History Version Description Date V1 0 0 Initial release April 10 2015...
Page 10: ......
Page 64: ...54 Good Read Beep Frequency Low Medium High Good Read Beep Duration 40ms 80ms 120ms...
Page 117: ...107 Mirror Images Decode Unmirrored DM Only Decode Mirrored DM Only Decode Both...
Page 119: ...109 Mirrored Micro QR Decode Mirrored Micro QR Do Not Decode Mirrored Micro QR...
Page 136: ...126 Appendix F Digit Barcodes 0 5 0 1 2 3 4 5...
Page 137: ...127 6 9 6 7 8 9...
Page 138: ...128 A F A B C D E F...