Scanning 2 - 3
LED Definitions
In addition to beeper sequences, the scanner communicates with the user using a two-color LED display. Table 2-2
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 host cold boots.
RS-232 only
1 short high beep A <BEL> character is received and Beep on <BEL> is
enabled.
Table 2-1
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.
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