
CONFIGURATION 
 13 
3 
3 CONFIGURATION NOTE 
The present manual provides information on how to set the 
DLL2020 reader in operation, as well as to set up its basic 
configuration parameters. 
Additional customized configurations are also available 
by changing basic parameters: please refer to the 
Software Configuration Manual (Part No. 90ACC1620) 
for a complete list of codes and procedures. 
3.1 CHANGE SCANNER SETTINGS
In order to change the scanner settings please follow the sequence 
below: 
1.  Enter the scanner Programming Mode by scanning the Enter/Exit 
code (see par. 3.4); 
2.  Change Scanner Settings by scanning the desired codes from  
par. 3.5 to par. 3.9. 
3.  Exit the scanner Programming Mode by scanning the Enter/Exit 
code in par. 3.4. 
Reading the Enter/Exit code in par. 3.4 gives a double tone beep (Low 
High). 
Example: 
For changing the keyboard to German the following codes must be 
scanned successively: 
"Enter/Exit and Save Programming Code", "German", "Enter/Exit and 
Save Programming Code". 
After reading a valid configuration barcode in Programming Mode the 
scanner will give a High beep. 
The scanner will generate a Low beep after receiving an unexpected 
code.  
At any moment (in Programming Mode) you can scan the "Return to 
Factory Default Settings" code to return to default settings.