Rigol DSA875 Manuel d'utilisateur télécharger pdf (Page 63)

Chapter 2 Front Panel Operation RIGOL

User’s Guide for DSA800 Series

2-11

Zoom In

Set the span to half of its current value. At this point, the signal on the screen is

zoomed in to observe signal details.

Zoom Out

Set the span to twice the current value. At this point, the signal on the screen is

zoomed out to gain more information about the signal.

Last Span

Set the span to the previous span setting.

X Scale (Only for DSA815)

Select the scale type of X-axis to Lin or Log. The default is Lin.

Key Points:

 In Log scale type, the frequency scale of X-axis is displayed in the logarithmic

form.

 When the scale type of X-axis is set to Log and any advanced measurement

function (including T-Power, ACP (Adjacent Channel Power), Chan Pwr

(Channel Power), OBW (Occupied Bandwidth), EBW (Emission Bandwidth),

C/N Ratio, Harmo Dist (Harmonic Distortion) and TOI (Third Order

Intermodulation)) is selected, the instrument switches the scale type of X-axis

to Lin automatically.

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Rigol DSA875 Manuel d'utilisateur Page 63