InfoConnect for Airlines VBA Guide
TerminalSound Property
Gets or sets how beeps sound.
All values (except Simple and DosBeep) take advantage of multimedia support in Windows and require a sound board or the PC speaker driver (Speaker.drv).

You may lose some characters sent from the host if all the following are true:

You have the PC speaker driver installed under Windows.

You're connected serially (that is, through COM1, COM2, COM3, or COM4).

TerminalSound is set to a value other than Simple (the default).

If you experience problems, set TerminalSound to Simple or DosBeep.

See Also