11/8/00 AUD (Optional) 12-5
FFT Mode
In the FFT mode, the 824 can be used for the following mea-
surements:
• harmonic distortion
• narrow and broad band noise
• frequency
• linearity
• crosstalk
This mode consists of three screens: FFT, THD, and Linear-
ity.
FFT Screen
To access the FFT screen, press the VIEW key

, then
select FFT with the up/down arrows

and press the
check key

.
This will display the FFT screen.