Technical Specifications
246
Cobalto™  CO5300 Scanner
LED and Speaker Indications
The scanner’s speaker sounds and its LED illuminates to indicate various functions or errors 
on the scanner. 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 bar code labels.
Table 24. LED and Speaker Indications
INDICATION DESCRIPTION LED SPEAKER
Power-up Beep
The scanner is in the process 
of
 powering-up.
Top green LED flashes/
blinks on power-up but 
this may be too rapid to 
view. With a USB interface, 
the LED blinks until enu-
meration with the host is 
com
pleted. 
Scanner beeps four times at 
highest frequency and volume 
upon power-up.
Good Read Beep
A label has been successfully 
scann
ed by the scanner.
LED behavior for this 
in
dication is configu-
rable via the feature 
“
Good Read: When to Indicate”
The scanner will beep once at 
cur
rent frequency, volume, 
mono/bi-tonal setting and 
duration upon a successful 
label scan.
ROM Failure
There is an error in the scan-
ner's software/programming
Flashes 
200mS on / 
200mS off 
Scanner sounds one error 
beep at highest volume for 
200 mS.
Limited Scan-
ning Label Read
Indicates that a host connec-
tion is not established when 
t
he USB interface is enabled.
Top Green LED blinks
Scanner 'chirps' six times at 
the
 highest frequency and 
current volume.
Scanner
Disabled
The scanner has been dis-
abled by the host.
The LED blinks continu-
ously 
100mS on / 900 mS 
off 
N/A
Programming Mode - The following indications ONLY occur when the scanner is in Programming Mode.
INDICATION DESCRIPTION LED SPEAKER
Label Program-
ming Mode 
Entry
A valid programming label has 
be
en scanned.
LED blinks continuously
Scanner sounds four low fre-
quency beeps.
Label Program-
ming Mode 
Re
jection of 
Label
A label has been rejected. N/A
Scanner sounds three times 
at
 lowest frequency & current 
volume.