Specifications

HHD
2
1
1.1 STATUS INDICATORS
This reader has two indicators, LED and beeper. They signal several operating
conditions which are described in the tables below.
POWER UP
Beeper Meaning
L L L L Parameters loaded correctly
H H H H
long tones
Parameter loading error, reading or writing error in the non
volatile memory
H L H L Hardware error in EEPROM
CONFIGURATION
Beeper Meaning
H H H H correct entry or exit from Configuration mode
L good read of a command
L L L command read error
DATA ENTRY
Beeper LED Meaning
U ON correct read of a code in normal mode
U long ON successful advanced format
concatenation
U U U timeout expired – operation not
completed
H long error in advanced data formatting
OFF ready to read a code
H L long tx buffer full (when FIFO is enabled)
U = user configurable tone H = high tone L = low tone