HP 1630A - Controlling the Timing Display; Figure 6-3. Magnification Around X

Model 1630A/D/G
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Timing Measurements
Controlling The Timing Display
1 . Move the cursor to the Magnification
field in the Timing Waveform Diagram .
2 .
Press the NEXT[] key to obtain 4X magnification . This shows a
window in the timing memory
. One-
fourth of the memory is on screen .
3 . Press
the ROLL down key to see the window move through the
timing memory (display
moves across
the screen) .
4 . Press the NEXT[] key several times to see the magnifications
available . Select a magnification
factor
that leaves several waveform transitions on screen .
5 . Press and hold the CURSOR
right key until the "x" marker moves out onto the display
area . Place the "x"
marker on
one
of
the waveform transitions on the display . The first line above
the waveforms on the
right-hand
side of the screen shows the measurement of time between the start
of the memory and the
position where you placed the "x" (o to x) .
6 . Press the NEXT[] key several times to see that
magnification of the display occurs around
the area in
memory you selected by
the positon of 'Y' . See figure 6-3 .
Sample Period
Magnification
Magnify About
Cursor Mopes
[ 1 1
0
Timing Waveform Diagram ---------- Data Acquired Oct 27 1982 16t46
-1-
100 .0 nS/dig
10 .00 nS/clk
6 .300 pS o to x
Figure 6-3 . Magnification Around
"x"
7 . Press the CURSOR down
key to move the cursor to the Magnify About field .
8 . Press
the NEXT[] key to change "x" to "o" .
9 . Move
the cursor up into the Magnification field .
10 . Press
the NEXT[] key several times . Notice that display magnification now occurs
around the position of
"o"
(at the start of the timing memory) .
11 . Select a magnification that leaves the "x" marker on screen
.
12 . Press the CURSOR down
key to move the cursor to the Cursor Moves field .
13 . Press the
NEXT[] key to change "x" to "o" .
6-3