^HV
^HV

^HV

Use this command to return data from specified fields, along with an optional ASCII header, to the host computer. You can use this command with any field that has been assigned a number with the
^FN
and
^RF
commands.

Host Verification

Format:
^HV#,n,h,t,a
Parameters
Details
#
  = field number specified with another command
The value assigned to this parameter should be the same as the one used in another command.
Values:
0
to
9999
Default:
0
n
= number of bytes to be returned
Values:
1
to
256
Default:
64
h
= header to be returned with the data
Delimiter characters terminate the string. This field is Field Hex (
^FH
) capable.
Values:
0
to
3072
bytes
Default:
no header
t
= termination
This field is Field Hex (
^FH
) capable.
Values:
0 to 3072 characters
a
= command applies to
When
^PQ
is greater than 1 or if a void label occurs, send one response for a label format or one for every label printed.
Values:
  • F
    = Format
  • L
    = Label
Default:
F
The following code:
^XA . . . ^FH_^HV0,8,EPC[,]_0D_0A,L^FS ^PQ2 ^XZ
Would return data similar to this:
EPC[12345678] EPC[55554444]