HBK Bruel & Kjaer 3670-A-082, Руководство пользователя

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CHAPTER 3
Set Up the Instrument’s Audio Device
19
3.2.4 Time and FFT Signal Windows
The USB Audio Tool includes a time signal display, FFT display window, channel legend and cursor
readout displays.
Fig.3.9
The USB Audio Tool user
interface, showing the
display area
Left: Parameters
Top centre: Time signal
display
Bottom centre: FFT signal
display
Right: Channel legend and
cursor readouts
1) Select the number of input channels.
2) Define the parameter values.
3) Click
Start
to view time and FFT data.
When multiple channels are selected, you can view individual cursor values by clicking on the channel
in the legend on the right-hand side. Each display has its own legend and cursor readout.
Right-click in a display area to edit graph property settings, including type of cursor and placement of
the legend and readout in the interface.
Fig.3.10
Graph properties dialog box
Graph properties can be edited at any time.