PSC QuickScan 3000, Product Reference Manual

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2-3
Scanning
Lo/hi/lo beep The Code 39 buffer was erased or there was an
attempt to clear or transmit an empty buffer.
Lo/hi beep A successful transmission of buffered data.
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