Honeywell CV31 user manual Data Collection Symbologies for

Chapter 5 — Troubleshoot and Maintain the Computer

Problems Reading Bar Codes (continued)

Problem	Possible Solution
The scanner or imager cannot	Try these possible solutions:
read the bar code.	• Position the scanner beam so that it
	crosses the entire bar code label in
	one pass. Try to vary the scanning
	angle.
	• Check the quality of the bar code
	label. Scan a bar code label that you
	know scans properly. Compare the
	quality of the two bar code labels.
	You may need to replace the label
	that you cannot scan.
	• Make sure the bar code symbology
	is enabled and configured correctly.
	Start Intermec Settings and go to
	Data Collection > Symbologies for
	the scanning device (scanner, virtual
	wedge) to check and enable
	symbologies.
	• Make sure the computer application
	is expecting input from a bar code.
	You may need to type this
	information instead.
	• The scanner may not be turned on or
	the scanner may be unable to scan
	a specific bar code. Run the
	ScanDiagnostic application.
The scanner or imager cannot	The scanner or imager window may be
read the bar code quickly, or the	dirty. Clean the window with a solution
scanning beam seems to be	of mild soap and water. Wipe dry. Do
faint or obscured.	not allow abrasive material to touch the
	window.
You read a valid bar code label	The computer may have decoded the
to enter data for your	bar code label in another symbology.
application. The data decoded	Scan the bar code label again. Make
by the scan module does not	sure you scan the entire label.
match the data encoded in the
bar code label.

The input device attached to the computer does not work well or read bar code labels very quickly.

Set the Scanner Model command to the specific attached input device. Enable only the bar code symbologies being used.

60 Thor CV31 Vehicle-Mount Computer User Manual