TECHNICAL SPECIFICATIONS
298
QUICKSCAN™ 2500
LED AND BEEPER INDICATIONS
The reader’s beeper sounds and its illumination flashes or changes color to indicate var-
ious functions or errors on the reader. A “Green Spot” also lights to indicate a good
read. The tables below list these indications.
Table 31LED and Beeper Indications
USER INDICATIONS FOR QD/QW2500
Table 32 User Indications for QD/QW2500
INDICATION LED BEEPER
Power-up
Upper LED flashes/blinks on power-up.
With a USB interface, the LED blinks
until enumeration with the host is com-
pleted.
Reader beeps four times at highest fre-
quency and volume upon power-up.
Good Read
Upper green LED comes on for pro-
grammed time (default).
LED behavior for this indication is con-
figurable using Aladdin utility.
One beep at current frequency, volume,
mono/bi-tonal setting upon a successful
label scan.
ROM Failure
200 msec on
↔ 200 msec off
Reader sounds one error beep at highest
volume for 200 msec.
Limited Scanning Label
Read
N/A
Reader 'chirps' six times at the highest fre-
quency and current volume.
Imager Disabled
The LED blinks continuously
100 msec on
↔ 900 msec off
N/A
STATUS TOP LED AND GOOD READ LED BUZZER
Power-up
OFF Rising Beeps’ Sequence
USB Enumeration Phase
250 msec
a
ON ↔ 250 msec OFF
OFF
USB Suspend
Depends on Power Cable and specific configu-
rations
OFF
Idle
OFF OFF
While Reading
OFF OFF
Decode Done
Solid ON
Programmable Duration (1 s default)
Single Beep
Reader Disabled (POS)
Communication with host not
established
100 msec ON
↔ 900 msec OFF
OFF
Firmware Upgrade
250 msec ON
↔ 250 msec OFF
OFF
Host Download
250 msec ON
↔ 250 msec OFF
OFF
Enter Service Mode
No Effect Beeps’ Sequence
Label Programming
No Effect Beep
a. “msec” stands for milliseconds, equivalent to 1/1000th of a second