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unitech is a registered trademark of unitech Electronics Co., Ltd.
 
MS838 User’s Manual 
2.1.3 Factory Default   
Scanning the below barcode can restore the scanner the factory default. 
 
 
Restore Factory Default Configuration 
 
 
 
2.1.4 Product User Configuration 
Scanning the below barcode can save current parameters as user ’s 
configuration. 
 
 
Save  
 
 
 
 
Scanning the below barcode can restore for saved user ’s configuration. 
 
Restore User Configuration