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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Metrologic Instruments MS7620 manual Keyboard Wedge Only