Larson Davis System 824, Technical Reference Manual

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9/29/09 FFT (Optional) 12-11
The bandwidth for each line is the
bandwidth setting divided by the
lines setting. • Bandwidth - Allows you to reduce the frequency
bandwidth from 20kHz to 200Hz. This setting provides
the following options:
200Hz, 500Hz, 1kHz, 2kHz, 5kHz, 10kHz, 20kHz
Snapshot
Once you have stored an FFT snapshot by accessing “Store
Snapshot” from the FFT check menu, you can view the
snapshot data by pressing the View
V
key. The following
menu appears:
Highlight “Snapshot” and press the Check
c
key to access
the snapshot data.
Use the up
u
and down
d
arrow keys to scroll through
each record.
Use the check menu to control the HORIZONTAL SCALE.
The date and time records when the snapshot was taken.
Snapshot number/
Date and time
total number
of snapshots