Rigol RSA5000 Series, User Manual

Page: 132 / 204

RIGOL Chapter 3 Functions of the Front Panel of RTSA
3-4 RSA5000 User’s Guide
Note:
The PvT measurement displays the power variation of the signal within the
user-def ined time. The horizontal axis represents time, and the vertical axis
represents amplitude.
Scale/ Div ( PvT)
Sets the unit per division in the horizontal axis of the PvT view. Modifying this value
will not cause you to restart measurements. I t is only used for trace display. When
you enable the auto scale function, the ref value will be modif ied accordingly. Note
that this menu is only valid in PvT measurement mode.
Table 3-3 Scale/ Div (PvT)
Parameter Remarks
Default acquisition time/ 10
Range
20
μ
s ~ 4 s
Unit
s, ms,
μ
s, ns, ps
Knob Step
X-axis scale/ 100, min = 1
μ
s
Left/ Right Arrow Key Step
Up/ Dow n Arrow Key Step
at 1-1.5-2-3-5-7.5 step
Ref Position ( PvT)
Sets the position of the reference time in the horizontal axis of the PvT view to "Left",
"Center", or "Right". Note that this menu is only valid in PvT measurement mode.
Auto Scale ( PvT)
Selects the setting mode for the horizontal scale of the PvT view. Note that this menu
is only valid in PvT measurement mode.
Remarks:

When you select "Auto", the auto scale function enables you to automatically set
the reference time and the X-axis scale based on the acquisition time and
reference position.
—
The X-axis scale is 10% of the acquisition time.
—
The reference time is set to a different value according to a different
reference position. When the reference position is set to "Left", the
reference time is 0
μ
s; when set to "Center", the reference time is half of
the acquisition time; when set to "Right", the reference time equals to the
acquisition time.

When you set the reference time and the X-axis scale manually, the auto scale
function will automatically switch to "Manual".
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