4.2 Sweep
4-34
WF1945B
CENTER, SPAN, MARKER, MKR
→
CTR
• Center
is the sweep center value, while
span
is the range setting. The relationship among center, span,
start and stop is as follows.
Values cannot be entered for CENTER and SPAN, however, if the sweep type is set from a user unit that
has the log function.
•
When start is changed:
Stop does not change.
CENTER = (START+STOP)
÷
2
SPAN = |START
−
STOP|
•
When stop is changed:
Start does not change.
CENTER = (START + STOP)
÷
2
SPAN = |START
−
STOP|
•
When center is changed:
Span does not change.
START = CENTER
−
/+ (SPAN
÷
2)
STOP = /
−
(SPAN
÷
2)
•
When span is changed:
Center does not change.
START = CENTER
−
/+ (SPAN
÷
2)
STOP = /
−
(SPAN
÷
2)
•
A value that changes the SWEEP Z-MARKER OUT signal is set for MARKER.
•
MKR
→
CTR copies the marker value to the center value.
Summary of Contents for WF1945B
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Page 100: ...4 2 Sweep 4 38 WF1945B Sweep value and Z MARKER SYNC X DRIVE outputs is approx 100 to 125 s...
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