A&D A & D Analytical Balance GH-120/GH-200/GH-300/GH-202/GH-252 - Manual (Page 66)

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15.3.
Commands
15.3.1. Command List
Note A command has a terminator added, that is specified using " 5if Crlf " of the
function table, and is sent to the balance.
Commands to query weighing data
C
Cancels the S or SIR command.
Q Requests the weighing data immediately.
S Requests the weighing data when stabilized.
SI Requests the weighing data immediately.
SIR Requests the weighing data continuously.
Commands to control the balance
CAL Same as the 1 CAL 1 key.
OFF Turns the display off.
ON Turns the display on.
P Same as the ON:OFF key
PRT Same as the PRINT key
R Same as the RE-ZERO key (Note 1)
RNG Same as the RANGE key.
TR Tares the balance (Cancels the container’s weight.) (Note 1)
TST Perform calibration test.
U Same as the MODE key
Commands to request data
?ID
Requests the identification number.
?PT Outputs the tare value. (Note 1)
?SN Request the serial number of the balance.
?TN Request the model name of the balance.
Command to set data
PT:∗∗∗.∗∗∗∗ g Sets the tare value.
(Note 1)
(Note 1) R command assumes the point as zero and sets the display to zero.
TR command cancels the tare weight when the displayed value is greater than zero.
The canceled tare value can be read using the ?PT command.
PT: command sets the tare value digitally.
An example of this command sets a negative target value and fills with the sample
until the display becomes zero.
Step 1 Place a container.
Step 2 Set the display to zero using the R command.
Step 3 Set a target value using the PT: command.
For details, refer to page 69.