LED and Beeper Indications
Quick Reference Guide 17
LED and Beeper Indications
The reader’s beeper sounds and its LED illuminates to
indicate various functions or errors on the reader. An
optional “Green Spot” also performs useful functions. The
following tables list these indications. One exception to
the behaviors listed in the tables is that the reader’s func-
tions are programmable, and so may or may not be turned
on. For example, certain indications such as the power-up
beep can be disabled using programming bar code labels.
Table 2. Normal Operating Indicators
Typical Range
(in open air)
DPM models
40m (at 500kb/s)
80m (at 19.2kb/s)
100m (at 500kb/s)
140m (at 36.8kB/s,
frequency hopping)
50m (at 36.8kb/s,
fixed channel)
Max number of
devices per base
station
16
INDICATION DESCRIPTION LED BEEPER
Power-up
Beep
The reader is in
the process of
powering-up.
N/A
Reader beeps
four times at
highest fre-
quency and vol-
ume upon
power-up.
Good Read
Beep
A label has been
successfully
scanned by the
reader.
LED behavior is
configurable via
the feature
“Good Read:
When to Indi-
cate”
(see the PRG for
information.)
The reader will
beep once at
current fre-
quency, volume,
tonal setting
and duration
upon a success-
ful label scan.
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