Users Manual
Model 3600
www.globalspecialties.com
Page 16
This is done by reading the data value of the cursor without moving
waveforms up and down to view. When turning the knob to make the
measurement cursor move, the cursor parameter’s address value and
data value will change dynamically with it. When the two cursors move
into the same point, their parameter values are identical.
The difference in value between cursor1 and cursor2 displays in the
4th row on the left bottom of the waveform frame. This is indicated as
sampling clock cycle which can also be called the address difference.
The data in the 5th row on the left bottom is the difference in value
between cursor1 and cursor2, denoted by absolute time (ns). When the
cursor1 is on the right of the cursor2, the two parameters are positive
values; they are negative values on the left of cursor2. When the two
cursors coincide with each other, their parameters are 0.
This allows the user to measure the time difference between any two
points in a waveform by positioning cursor1 and cursor2 to the two
points of interest. It will then display time difference or the address
difference between the two points.
However, if the address difference between the two points measured
exceeds 280, the two points can’t be displayed in the same interface at
the same time. A different measuring procedure is used. Set the cursor1
and the cursor2 into different characteristic modes. Cursor1 is a drift
cursor appearing in the display window continuously. It can be seen as
an aim line and is able to move anywhere within the window using the
knob. Cursor1 appears to suspend on waveform, and does not move
together with the waveforms. Its address value and data value will
change with the waveform movement, denoting waveform’s address
value and data value cursor placed at any step.
Cursor 2 is an adhering cursor. Even though it can be moved anywhere
within the window using the knob, it will adhere to the waveform
once movement stops. When the waveform moves, cursor2 moves
with it. When moving the cursor2 out, visualize that it still adheres to
and moves with the waveform. Its address value and data value won’t
change regardless how far the waveform moves.
When using cursor1 as a drift cursor and cursor2 as an adhering cursor,
first move cursor2 to the first aim point. The move the waveform
left or right until the second aim point displays. Turn the knob to
move cursor1 to this second aim point to read the time or address
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