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Remote control commands
R&S
®
RTA4000
529
User Manual 1335.7898.02 ─ 08
USER: levels are defined with
*RST:
TEN
Example:
REFL:REL:MODE TWENty
MEAS2:MAIN RTIM
Sets the reference levels for all measurements and measures
the rise time between these levels for measurement place 2:
lower reference level = 20% of high signal level
upper reference level = 80% of high signal level
REFLevel:RELative:LOWer
<LowerLevel>
REFLevel:RELative:UPPer
<UpperLevel>
Set the lower and upper reference levels for rise and fall time mesurements (cursor
and automatic mesurements) if
is set to
USER
. The lev-
els are defined as percentages of the high signal level. They are valid for all measure-
ments.
Parameters:
<LowerLevel>
*RST:
10
Default unit: %
<UpperLevel>
*RST:
90
Default unit: %
REFLevel:RELative:MIDDle
<MiddleLevel>
Set the middle reference level that is used for phase and delay measurements, if
is set to
USER
. The level is defined as percentages of
the high signal level. The setting is valid for all measurements.
Parameters:
<MiddleLevel>
*RST:
50
Default unit: %
17.7.3
Cursor measurements
17.7.3.1
Cursor settings
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Measurements