Use the Pressure Standard to output -12.00 psi. After the output has
stabilized, press the ENTER key to continue. As the unit takes
readings, the screen will show -------. When the readings are complete
the unit will reset and power up in normal mode.
Serial Calibration
Entering Calibration Mode
The terminal communications can be setup using terminal
communication software on a PC, such as Hyperterminal or PcPlus.
Connect the RS232 cable to stereo jack on the back of the IPI. The
other end of the cable should be connected to the terminal/PC serial
port. An adapter may be needed for terminals that use 25 pin 'D' serial
connectors.
The terminal settings need to be set as follows:
•
Bits per second: 9600
•
Data bits: 8
•
Parity: None
•
Stop bits: 1
•
Flow control: none
•
Local echo: on
To initiate the calibration mode use the terminal to send the
CAL_START command. The following will be displayed on the terminal.
Calibration is password protected
Enter Password: