Motorola Symbol LS2208 用户手册

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页码 345
Scanning
2 - 3
LED Definitions
In addition to beeper sequences, the scanner communicates using a two-color LED display. 
 defines LED 
colors that display during scanning.
Host Specific
USB only
4 short high beeps
Scanner has not completed initialization. Wait several 
seconds and scan again.
Scanner gives a power-up beep after scanning a 
USB Device Type.
Communication with the bus must be established 
before the scanner can operate at the highest power 
level.
This power-up beep occurs more than once.
The USB bus may put the scanner in a state where 
power to the scanner is cycled on and off more than 
once. This is normal and usually happens when the 
PC cold boots.
RS-232 only
1 short high beep
A <BEL> character is received and Beep on <BEL> is 
enabled.
Table 2-1    
Standard Beeper Definitions (Continued)
Beeper Sequence
Indication
Table 2-2    
Standard LED Definitions
LED
Indication
Off
No power is applied to the scanner, or the scanner is on and ready to scan.
Green
A bar code was successfully decoded.
Red
A data transmission error or scanner malfunction occurred.