Specifications

5 - 20

(1) Flowchart

(a) cmdOpen_Click() (Operation by clicking the Open button)

START

Is the open normal?

Open of communication line

(Open())

"Communication line

was opened normally."

Normal

Disable the Open button

Enable the Close button

Enable the Monitor start button

Disable the Exit button

END

Yes

"An error occurrence

(Error code: )"

Abnormal