11
LINEARITY CALIBRATION
1. With the balance OFF, press and hold O/T ON until
MENU is displayed, then
release it and
UNITS is displayed. Press MODE OFF, LIN is displayed.
2. Press O/T ON,
-C- is displayed followed by the value of the first mass which
must be placed on the pan.
3. Place the required mass on the pan and momentarily press O/T ON,
-C- is
displayed followed by the value of the next mass to be placed on the pan.
Do not disturb the balance while
-C- is displayed.
4. Place the second required mass on the pan and momentarily press O/T
ON,
-C- is displayed. When the weight on the pan is displayed with the
stability indicator, the balance is calibrated and returns to the weighing mode.
5. Remove the calibration masses from the pan.
PRINTING
To print the balance display results, press PRINT until
-P- is displayed then re-
lease.
RS232 INTERFACE
When the balance is connected directly to a printer, displayed data can be output
at any time by using the Auto Print feature.
Connecting the balance to a computer enables you to operate the balance from
the computer, as well as receive data such as displayed weight and weighing
mode. The following sections describe the hardware and output signal formats
provided with the balance.
HARDWARE
On the rear of the balance, a 9-pin subminia-
ture “D” connector is provided for interfacing
to other devices. The pinout and pin connec-
tions are shown in the table and illustration.
1
N/C
2
Data Out (TXD)
3
Data In (RXD)
4
N/C
5
Connected to pin 8.
6
N/C
7
Ground
8
Connected to pin 5.
9*
N/C
1
2
3
4
5
6
7
8
9
