These seven gauges must stay together inside of this folder.
Put the whole folder into the FS2002 gauges folder.
The name of each gauge reveals its parameters:
"FL299" is the upper altitude limit of operation.
"N1@75%" is N1 percentage above which jetsmoke effect starts.
The gauges can be edited with Notepad after changing the "xml" extension to "txt".
After editing, change the extension back to "xml".