LED and Beeper Indications
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QUICKSCAN™ QBT/QM2500
LED AND BEEPER INDICATIONS
The imager’s beeper sounds and its illumination flashes or
changes color to indicate various functions or errors on
the reader. A “Green Spot” also lights to indicate a good
read. The tables below list these indications. Reference
the PRG for a more detailed list.
INDICATION LED BEEPER
Power-up
Upper LED flashes/blinks
on power-up, however,
this may be too rapid to
view. With a USB inter-
face, the LED blinks until
enumeration with the host
is completed.
Imager beeps four times
at highest frequency and
volume upon power-up.
Good Read
Upper green LED comes
on for programmed time
(default).
LED behavior for this indi-
cation is configurable
using Aladdin utility.
One beep at current fre-
quency, volume, mono/
bi-tonal setting upon a
successful label scan.
ROM Failure 200ms on / 200ms off
Imager sounds one error
beep at highest volume
for 200 ms.
Limited Scanning
Label Read
N/A
Imager 'chirps' six times
at the highest frequency
and current volume.
Imager Disabled
The LED blinks continu-
ously 100mS on / 900 ms
off
N/A
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