A&D Weighing GX-8000 Addendum - Manual (Page 7)

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Commands to control the comparator function
HI:
.
g Sets the upper limit value. e.g.,HI:+2.34 g (to set the upper limit
value to 2.34 g: represents a space.)
LO:
.
g Sets the lower limit value. e.g.,LO:+1.23 g (to set the lower limit
value to 1.23 g: represents a space.)
?HI Outputs the upper limit value.
?LO Outputs the lower limit value.
Notes
“nnn” and “mm” indicate, respectively, three-digit and two-digit numerical values.
E
SC
: 1Bh in ASCII code
Before transmitting a command, add the terminator (<CR><LF> or <CR>), that is specified in
the “Terminator (Crlf)” parameter of “Serial interface (5if)” in the function table, to the
command.
To use a command to control the comparator function, set the “Input method (Cpin)” parameter to “0” or
“1”.
18-2 Acknowledge Code and Error Codes
When the “Serial interface function ( 5if )” parameter is set to “erCd 1”, the balance outputs <AK>
code or error code to each command as follows:
<AK> (06h) Acknowledge in ASCII code.
z When the balance receives a command to request data and can not process it, the balance
transmits an error code (EC, Exx).
When the balance receives a command to request data and can process it, the balance
outputs the data.
z When the balance receives a command to control the balance and can not process it, the
balance transmits an error code (EC, Exx).
When the balance receives a command to control the balance and can process it, the balance
transmits the acknowledge code.
z When a communication error has occurred due to external noise, or a parity error has
occurred due to transmission error, the balance transmits an error code. In this case, send the
command again.
Among commands to control the balance, the following transmit the acknowledge code both
when the balance receives the command and when the balance has accomplished the
command. If the command can not be processed properly, the balance transmits an error code
(EC, Exx). This error can be released using the CAL command.
CAL command (Calibration command) ON command (Display ON command)
P command (Display ON/OFF command) R command (RE-ZERO command)
TR command (Tare command)