HP 7090A Operator's Manual page 69

As the buffer contents are aecessed, the pen is moved over the corres­
ponding data points on the recording area, and the Y -axis coordinates
are displayed on the LeO. Three significant figures are used to display
the values.
Hold down the FAST push button in conjunction with a cursor control to
move through the buffer Quickly. Tap the appropriate cursor control
to
repeatedly
values on the display.
If the buffer(s) have been plotted, the correlation between the plot, cur­
sored pen position, and displayed voltage are immediately apparent.
The voltage values of individual points of interest along the plot can
easily be determined.
CURSOR
CONTAOLS
DATA POINT
.,
4. While the pen
of any selected point on a plot can be labeled by selecting an appropriate
pen and pressing (SHIFT) DATA
place a + on the point and label it as shown by the following illustration.
Labels cannot be drawn outside the hard-clip limits. (If you like, you can
change the size of the characters used
�
step through the buffer and examine individual data point
DISPLAYED
V-AXIS VOLTAGE
position function is active, the
DISPLAY.
to
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DATA POINT
#1000
X- and Y-coordinate
The currently selected pen w ill
to
label data - refer Chapter 6.)
Perfonning
Tracking and Disp/tlying
Buffer COl/tents
values
Direct
and Buffered Recordings
4-9