
Programming Reference Guide
207
LED and Beeper Indications
The scanner’s beeper sounds and its LED illuminates to indicate various functions or errors
on the scanner. An optional “Green Spot” also performs useful functions. The tables below
list these indications. One exception to the behaviors listed in the tables is that the scanner’s
functions are programmable, and may or may not be turned on. For example, certain
indications such as the power-up beep can be disabled using programming barcode labels.
Table 42. LED and Beeper Indications
INDICATION DESCRIPTION LED BEEPER
Power-up Beep
The scanner is in the process
o
f powering-up.
Scanner beeps four times at
highe
st frequency and vol-
ume upon power-up.
Good Read
Beep
A label has been successfully
scanne
d by the scanner.
LED behavior for this
indication is configurable
via
the feature “Good
Read: When to Indicate”
The scanner will beep once
at current frequency
, vol-
ume, mono/bi-tonal setting
and
duration upon a suc-
cessful label scan.
ROM Failure
There is an error in the scan-
ner's software/programming
Flashes
Scanner sounds one error
beep at highest volume.
Limited Scan-
ning Label
Read
Indicates that a host connec-
tion is not established when
t
he USB interface is enabled.
N/A
Scanner 'chirps' six times at
the highest frequency and
current volume.
Scanner Active
Mode
The scanner is active and
ready to sc
an.
The Illumination LEDs
are lit steadily
a
N/A
Scanner Dis-
abled
The scanner has been dis-
abled by the host.
The Indicator LED blinks
continuously
N/A
Green Spot
b
flashes momen-
tarily
Upon successful read of a
la
bel, the software shall turn
the green spot on for the time
specified by the configured
value.
N/A N/A
Image Capture When capturing an image
Upon image capture Indi-
cator LED blinks once
and will blink multiple
times
during larger image
transfers
N/A
Flash Memory
Update
Occurs while update is in
progress
Indicator LED blinks
N/A
a. Illumination LEDs are on while movement is detected in Field of View or until Illumination Duration Timer times out (programmable)
b. Green Spot LED Good Read duration time is programmable
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