Invokes the quiet mode for the Forms Runtime session. In quiet mode, messages do not produce an audible beep. You can explicitly ring the bell from a trigger by way of a call to the BELL Built-in. The default of quiet=NO means that the bell rings. To turn off the bell, set quiet=YES.
Option Name Run in Quiet Mode
Default NO
http://myserver/forms/frmservlet?form=MODULE1.fmx&quiet=YES