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WLS 8400 Product Reference Guide
2-4
Beeper Definitions
The scanner emits different beeper sequences and patterns to indicate its status. Table 2-1
defines beep sequences that occur during both normal scanning and while programming the
scanner.
Table 2-1. Standard Beeper Definitions
Beeper Sequence Indication
Standard Use
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.
Parameter Menu Scanning
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.
USB only
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.