Adesso 2100 Series ユーザーズマニュアル

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6. 
Installation 
 
Insert the plug on the free end of the Communications Cable into the appropriate 
connector on the host as below described: 
 
 
a. USB Connection 
Host 
 
 
 
 
 
b. PS/2 Connection 
Host 
 
 
 
 
 
 
 
Test Scanning 
 
Do not hold the scanner directly over a barcode at 90˚. Scanning light bounces directly 
back into the scanner from the barcode label is known as specular reflection which will 
create a "dead zone" where decoding is difficult.  So instead of a 90° head-on 
approach, tilt the scanner up to 60° forward or backward to achieve a successful 
decodes.  Practice a few times to find what range of angles works best. 
 
                                  
 
 
Maintenance 
Cleaning the scan window is the only maintenance required.  A dirty window may 
affect scanning accuracy. 
 
Wipe the scanner window gently with a lens tissue or other material suitable 
for cleaning optical material.