LED and Beeper Indications
Product Reference Guide 227
LED and Beeper Indications
Button and LED Status
The top of the product has a button and three indicator LEDs:
POWER
(yellow LED)
ON = Power ON
OFF = Power OFF or standby
BLINKS = during USB enumeration
GOOD
(green LED)
ON = Good Read
BLINKS = during Flash memory updates
TRIGGER
(blue LED)
ON = acquisition triggered (button
pressed or trigger command or external
trigger)
BLINKS = during Programming mode
Button Press for manual trigger
Indicators
The reader's beeper sounds and its LED illuminates to indicate various func-
tions or errors on the reader. DSM0400 also projects “Green Spot” on the field
o
f view when the “GOOD” green LED turns on. The following tables list these
indications. One exception to the behaviors listed in the tables is that the
reader's functions are programmable, so they may or may not be turned on. For
example, certain indications such as “Green Spot”/“GOOD” green LED can be
disabled using programming bar code labels.
Indicator Description LED Beeper
Power-up /
Reader in IDLE
mode
The device powers up and
is ready for operation in
IDLE mode
POWER LED turns on
steadil
y.
With a USB interface, the
L
ED blinks until enumera-
tion with the host is com-
pleted.
The POWER LED turns off
when de
vice is in LOW
POWER or when turned
off.
Imager beeps four
ti
mes upon power-
up.
Good Read Beep
A code has been decoded
successfully
“
Green Spot” and GOOD
LED turn on for pro-
grammed time (default).
LED behavior for this indi-
cation is configurable.
Beeps if enabled
Reader in Sleep
mode
The reader is in standby
and
in low power con-
sumption (also USB sus-
pend)
The POWER LED is OFF N/A
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