Visual Indicators  
Blue LED is located near the bottom corner of the vertical 
output window.  When the scanner is ON, the flashing or 
constant illumination of the LED indicates the status of the 
scanner and the current scan. 
No Blue LED 
The blue LED will not be illuminated if the scanner is not 
receiving power from the host or transformer.   They are 
also not illuminated when all lasers are turned off. 
 
Steady Blue 
When all lasers are active, the blue LED is illuminated.  
The blue LED will remain illuminated until all lasers are 
deactivated.  
Figure 32.  Blue LED 
 
Steady Blue and Single blue Flash 
When the scanner successfully reads a bar code, the blue LED will flash and the scanner will beep once.  If the 
blue LED does not flash or the scanner does not beep once, then the bar code has not been successfully read.  
 
Blue LED Off 
After a successful scan, the scanner transmits the data to the host device.  Some communication modes 
require that the host inform the scanner when data is ready to be received.  If the host is not ready to accept 
the information, the scanner’s blue LED will remain off until the data can be transmitted. 
or 
This indicates the scanner may be waiting for communication from the host. 
 
Flashing Blue 
This indicates the scanner is in program mode.  A razzberry tone indicates that an invalid bar code has been 
scanned in this mode.  
or 
If the unit is in sleep mode, the blue LED will flash once every 15 seconds.  
or 
This indicates there is an error active on the diagnostic indicator display (see Error Codes on page 38).  The 
scanner may continue to operate depending on the type of error.   
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