LED and Beeper Indications
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27
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. It is 
also possible to upload 
custom jingles with Alad-
din.
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