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5.4.5. The Delta Cursor
84
Delta Cursor
Fig.5.25.
The Delta Cursor Control Fields
The Delta Cursor is used in combination with the Auxiliary Information field, (see Sec-
tion 5.4.8), to make measurements across a band of time or frequency. The Delta
Cursor band is placed using the X field and the DISPLAY "Set Special Cursors" push-
key, see Section 4.2.3. The width of the band is controlled via the
~X
field.
DELT
Y:
XXX
x:
D
-lx:D
In the display of Time A vs. 8, Nyquist, or Nichols plots, the Delta Cursor performs the
additional function of joining the points
tog_
ether to give a continuous plot within the
Delta band. The Main Cursor field changes to T or F, as appropriate, and the
~
X
field
changes to X. Also, when the Field Selector is moved to the X field, the read-out
changes to
~
T or
~
F, as appropriate.
DELT
Y:
XXX
Tor
F:
D
X,
-l
T,
or -lF
:
D
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