Справочник Пользователя для Metrologic Instruments IS3480

 

 

29

T

ROUBLESHOOTING

 

G

UIDE

 

 

RS232 Only 

The host is 
receiving data 
but the data does 
not look correct. 

The scanner and host 
may not be configured 
for the same interface. 

Check that the scanner and the 
host are configured for the same 
interface. 

Characters are 
being dropped. 

The intercharacter 
delay needs to be 
added to the 
transmitted output. 

Add some intercharacter delay to 
the transmitted output by using 
the MetroSelect Configuration 
Guide (

MLPN

 00-02407). 

Keyboard Wedge Only 

The unit scans 
the bar code 
but there is no 
data. 

The unit may not be 
configured correctly. 

Make sure the scanner is 
configured for the appropriate 
mode. 

Make sure that the proper PC 
type (ie. AT, PS2 or XT) is 
selected.  

Verify correct country code and 
data formatting are selected. 

The unit scans 
but the data is 
not correct. 

The unit may not be 
configured correctly. 

Adjust the intercharacter delay. 

The unit is not 
transmitting 
each character. 

The unit may not be 
configured correctly. 

Increase the interscan code 
delay setting.  Adjust whether 
the F0 break is transmitted.  It 
may be necessary to try both 
settings. 

Alpha characters 
show as lower 
case. 

The computer is in 
caps lock mode. 

Enable caps lock detect setting 
of the scanner to detect whether 
the PC is operating in caps lock. 

Everything 
works except 
for a couple of 
characters. 

These characters may 
not be supported by 
the current country’s 
key look up table. 

Try operating the scanner  
in Alt Mode.