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MODMDRLS

Syntax:                 MODMDRLS

Use:                    To determine the status of delta receive line signal
                        detect.

Parameters:             COM0 for com1, COM1 for com2, COM2 for com3, and
                        COM3 for com4.

Returns:                The first character in the sending parameter will
                        have a "Y" if delta receive line signal detect is
                        turned on, a "N" if delta receive line signal detect
                        is turned off. If you did not pass the parameter
                        correctly (e.g. FOXLIB = "ZOM0"), your sending
                        parameter will be unchanged.

Example:                . load c:\FOXLIB\modmdrls
                        . FOXLIB = "COM0"
                        . call modmdrls with FOXLIB
                        . ?substr(FOXLIB,1,1) = "Y"
                        .T.
                        . rele modu modmdrls

                        From this example, delta receive line signal detect
                        is turned on.