H’
command
Parameters: 0 or 1
Format:
“H
xxxx
#” where
xxxx
is the value of parameter in hex.
Output:
‘!’ – invalid parameter.
‘@’ – all other times.
Purpose: Selects if KDC100 need(1)/doesn’t need(0) to handshake with HOST while sending packet data.
KD100 doesn’t do handshake if sending barcode only.
‘h’
command
Parameters: None
Format:
‘h’
Output:
‘
xxxxxxxx
@’ where
xxxxxxxx
is the value sent to KDC100 by command ‘H’.
Purpose:
Get the current setting of handshaking mode. 0 means disabled and 1 means enabled.
‘V’
command
Parameters: None
Format:
“V”
Output:
‘
string
@’ where
string
is a F/W version string and @ means the end of data.
Purpose:
Read the F/W version of KDC100.
‘L’
command
Parameters: Minimum length of barcode (valid values: 2 to 36)
Format:
“L
xx
#” or “l
xx#
” where
xx
is the value of parameter in hex.
Output:
‘!’ – invalid parameter.
‘@’ – all other times.
Purpose:
Set the minimum length of barcodes.
Examples: To set the length to 20, send command “L14#”. “L4#” sets the minimum length to 4. If you send
“LFFF#”, then the returned value will be ‘!’ and the minimum length will be unchanged.
