The transfer function instrument in SpectraFoo can be found under the WINDOW tab on the top of the app window.
From there you need to turn the instrument on:
To use the transfer function tool in Foo efficiently, it helps to learn the key commands by heart. This will save a lot of time!
This is the default list of key commands:
These key commands relate directly to the transfer function window:
CONTROL / C = CLEAR
CONTROL / F = RUN / STOP
CONTROL / S = SAVE SNAPSHOT
CONTROL / T = COMPUTE DELAY
These key commands are universal to all instrument windows but are very useful for managing the transfer function window:
CONTROL / G = TOGGLE SIGNAL GENERATOR ON/OFF
CONTROL / A = TOGGLE FRONT INSTRUMENT CONTROLS
This is the instrument control window in the TF instrument.
Another way of opening and closing it is to click on this button:
If you forget them , you can reference the same list located here from within Foo: