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Chapter 12 High Resolution OSA Measurement
Trace display functions
or
Use touchscreen and click on trace to position the upper left and bottom right
corners of the zoomed area.
Zooming on the different channels in succession
4
Zoom on one of the channels as shown above.
5
On the
6
Use the
Cursors function
The vertical cursors A and B are used in the Zoom and Shift functions to position or
delete markers.
The cursors A and B are represented by vertical lines of different colors:
•
in a solid line if the cursor is selected.
•
in a dotted line if the cursor is not selected.
Positioning the cursor
When a trace is displayed, the key
The direction keys
When a selected cursor touches the right or left-hand edge of the screen, the trace starts
to scroll horizontally to maintain display of this cursor.
If an unselected cursor has been moved off-screen by a zoom, it can be brought back
on to the screen by selecting it and then pressing one of the direction keys
will then appear on whichever edge of the screen is closest to its position.
When the cursor function is selected, the keys
Cursors information
The informations on Cursors are always display on the upper part of the screen.
Above the trace are shown the co-ordinates of the points of intersection of the cursors
A and B with the trace, together with the distance between the two points.
Cursor X and Y
Two types of cursors can be defined:
392
Trace/Channel
key, select the
and
keys to move the zoom on to the successive channels.
and
move the selected cursor(s) along the trace.
User Manual
Channel
function.
can be used to select one or both cursors.
and
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move the trace vertically.
. It
or
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Troubleshooting
