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Troubleshooting guide (continued) – Metrologic Instruments MS7120 Series User Manual

Page 29

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25

Troubleshooting Guide (continued)

Keyboard Wedge Only

SYMPTOMS

POSSIBLE CAUSE(S)

SOLUTION

The unit scans

Configuration is not

Make sure the scanner is configured

the bar code but

correct

for the appropriate mode. Check

there is no data

internal jumper

The unit scans

Configuration is not

Make sure that the proper PC type AT,

but the data is

correct

PS2 or XT is selected. Verify correct

not correct

country code and data formatting are
selected. Adjust intercharacter delay
SYMPTOM

The unit is

Configuration is not

Increase the interscan code delay

transmitting

correct

setting. Adjust whether the F0 break is

each character

transmitted. It may be necessary to try
this in both settings.

Alpha characters

Computer is in Caps Lock

Enable Caps Lock detect setting of the

show as lower

mode

scanner to detect whether the PC is

case

operating in Caps Lock

Everything

These characters may not

Try operating the scanner in Alt mode

works except for

be supported by that

a couple of

country’s key look up table

characters