Steve Kroop at Flytec <<info>>
writes:

There is a small bug in 3.33c where the top right user-field comes
up as Spd StCyl regardless of what you select. Version 3.33g fixes that and also
allows the nascent thermal tone pulse/pause ratio to be set to 100% (steady
tone). The firmware can be found here:
http://flytec.com/Products/Software.htm.