Motorola MS320X 用户手册

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页码 24
Quick Reference Guide
15
Bar Codes (continued)
Slab Pattern
Troubleshooting
Problem
Possible 
Cause
Possible Solutions
No red LED 
or nothing 
happens 
when you 
attempt to 
scan.
No power to the 
scanner.
Check the system power.
Confirm that the correct host 
interface cable is used.
Power supply not plugged in.
Check for loose cable 
connections.
Scanner 
cannot read 
the bar 
code.
Interface/power 
cables are loose.
Check for loose cable 
connections.
Scanner is not 
programmed for 
the correct bar 
code type.
Ensure the scanner is 
programmed to read the type 
of bar code to be scanned.
Try scanning other bar codes 
and other bar code types.
Incorrect 
communication 
parameters.
Check that the 
communication parameters 
(baud rate, parity, stop bits, 
etc.) are set properly.