Metrologic Instruments MS7620 manual Keyboard Wedge Only

TROUBLESHOOTING GUIDE (CONTINUED)

SYMPTOMS

POSSIBLE CAUSE(S)

SOLUTION

Scanner beeps at some bar codes and NOT for others of the same bar code symbology.

The bar code may	Check if it is a check
have been printed	digit/character/or border
incorrectly.	problem.
The scanner is not
configured correctly	Check if check digits are set
for this type of bar	properly.
code.
The minimum symbol
length setting does not	Check if the correct minimum
work with the bar	symbol length is set.
code.

Keyboard Wedge Only
The unit scans		Make sure the scanner is
the bar code	Configuration is not
		configured for the appropriate
but there is no	correct
		mode.
data
		Make sure that the proper PC
The unit scans		type AT, PS2 or XT is selected.
	Configuration is not	Verify correct country code and
but the data is
	correct.	data formatting are selected.
not correct.
		Adjust intercharacter delay
		SYMPTOM.
The unit is		Increase the interscan code
	Configuration is not	delay setting. Adjust whether the
transmitting		F0 break is transmitted. It may
	correct.
each character.		be necessary to try this in both
		settings.
Alpha characters		Enable Caps Lock detect setting
	Computer is in Caps	of the scanner to detect whether
show as lower	Lock mode.	the PC is operating in Caps
case.
		Lock.

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