Compaq Contec COM-2(PC)F - Manual (Page 57)

Appendix
COM-2(PC)F
48
Sample Program 4
This GW-BASIC sample program demonstrates the receive-data
capability of COM-2(PC)F in Compatible mode. Using this
[OPEN "COM1 : 9600, N, 8, 2, DS" AS #1] command opens the
RS-232C communication file (COM1). It then reads the data from
COM1 and outputs to CRT through CN1.
Yes
No
Set
Communication File
Display File Buffer's
Data On CRT
START
File Buffer = 0
Figure 6.6. Flowchart of Sample Program 4