Руководство Пользователя для LXE mx3

 

E-SW-SCANNERPG-L 

 

Integrated Scanner Programming Guide 

 

 

The label specifying which laser engine is installed in the LXE mobile device is usually on the back 
of the mobile device, next to the laser warning label. See Chapter 1 – Introduction, section titled 
Identify Your Barcode Reader Type and/or your system administrator for assistance. 

The scan ranges listed in the following tables are based on the following factors: 

•  Decode zone is a function of various symbol characteristics including density, print contrast, 

wide-to-narrow ratio and edge acuity. Symbol’s test labels of the part numbers given are 
examples of optimum quality barcodes. 

•  As distance decreases the visible scan line also decreases (visible scan length = 1.8 x distance 

to label x TAN (scan angle / 2). The useable scan length is approximately 90% of visible scan 
line and must fully encompass the barcode label to be successfully decoded. On larger symbol 
densities of 20 mil, 40 mil and 55 mil, this affects minimum decode distance. 

•  + / - 5º pitch is used to reduce the inhibiting effects of spectral reflection (glare) near 0º of the 

scan head aspect to the barcode. Optimal operation is obtained at 2º to 15º pitch offset. 

•  Scan rate of 25 + / - scans second with bi-directional redundancy. 
•  The long range and advanced long range scanners support the aim-mode feature which allows 

generation of the laser for aiming prior to actual barcode decoding with a duration from 1 sec 
to 8 sec.