Wireless
Handheld
Gun
Type
Scanner
14
U
SER
’
S
M
ANUAL
Scanner
to
Remote
Application
Data
Format
of
Packet
To
send
a
data
(barcode)
to
the
remote
application,
the
BT
scanner
has
to
encapsulate
it:
EAH
(Header)
Size
of
payload
FEH
(Format
Byte)
Data
ID
Data
Barcode
Type
AEH
(End
of
Byte)
Reserved
Byte
1
byte
1
byte
1
byte
1
byte
Varies
1
byte
1
byte
1
byte
Title
Definition
Header
Character
(EAH)
The
character
ID
at
the
head
of
every
data.
It
has
to
start
with
EAH.
Size
of
Payload
The
encapsulated
data
length
excluding
header
character.
Format
Byte
(FEH)
Differentiate
data
format;
barcode
data
is
always
FEH.
Data
ID
The
number
of
each
data.
If
receive
the
same
ID
more
than
once,
only
the
first
one
is
valid,
delete
the
rest.
Barcode
Type
(1
byte)
Please
refer
to
the
Barcode
Type
Table
.
Data
Decoded
barcode
data.
End
of
Byte
(AEH)
Record
data
ends.
Reserved
Byte
Reserved
for
future
use.
Example:
If
Code39
barcode
data
is
"ABCD",
than
sender
sends
out:
EAH
+
0AH
+
FEH
+
ID
+
"ABCD
"+
11H+AEH
+
Reserved
Byte
0AH
=
1+1+1+4+1+1+1
Acknowledge
packet
55H
(Header
)
Data
ID
55H
(end
of
byte)
1
byte
1
byte
1
byte
Example:
If
scanner
sends
out:
EAH
,
0AH
,
FEH
,
01H
,
"ABCD
",
011H,
AEH
,
EEH
Remote
acknowledges:
55H
+01H
+
55H