■
Save
A created masking window is saved on the disk.
1.
Display the masking window to be saved on the Display Window and click on
the Save button in the FFT Window.
2.
Enter the filename under which to save it using the keyboard; and click on
the Save button.
Then the masking window is saved on disk.
A file name must be 8 characters or less. If an extension is omitted, “.MSK” is
automatically added.
■
Selection Method
Frequency band
A vertical strip masking window is defined. The masking window is applied to a
specified frequency band.
1.
Enter the lower frequency in the From input box and the upper frequency in
the To input box. Select Mask or Window in the Window/Mask frame. Then,
click on the Add button in the FFT Window.
[Window]: The frequency band between the specified lower and upper
frequencies will be erased from the window.
Lower frequency
Upper frequency
Frequency band between
the specified lower and
upper frequencies is erased
from the window.
2.
To eliminate electric noise of 50 Hz to 60 Hz, input as follows.
Enter lower frequency 50
Enter upper frequency 60
[Mask]:
A masking window is applied to the frequency band between the
specified lower and upper frequencies.
6-54
TMPM5200-2
