Wasp Bar Code WLS 8400 FZ 用户手册

2-4

The scanner emits different beeper sequences and patterns to indicate its status. 

defines beep sequences that occur during both normal scanning and while programming the 
scanner.

Short low/short medium/short high 
beep sequence

Power up.

1 short high beep

A bar code symbol was decoded (if decode beeper is enabled).

4 long low beeps

A transmission error was detected in a scanned symbol. The data is 
ignored. 

5 long low beeps

Conversion or format error.

Short high/short high/short high/long 
low beep sequence

RS-232 receive error.

Long low/long high beep sequence

Incorrect programming sequence or ‘Cancel’ bar code scanned. 
Scanner remains in program mode.

Short high/short low beep sequence

Keyboard parameter selected. Enter value using bar code keypad.

Short high/short low/short high/short 
low beep sequence

Successful program exit with change in the parameter setting.

Short low/short high/short low/short 
high beep sequence

Out of host parameter storage space. Scan Set Default Parameter on 
page 4-5.

4 short high beeps

Scanner has not completed initialization. Wait several seconds and 
scan again.

Short low/short medium/short high 
beep sequence after scanning a USB 
Device Type.

Communication with the bus must be established before the scanner 
can operate at the highest power level.

Short low/short medium/short high 
beep sequence 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.