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To define a zoom on the trace:
1
Select Cursor A or B and center it on the zone to be examined
2
On the
Shift/Zoom
3
Use the
or
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
1
Zoom on one of the channels as shown above.
2
On the
Trace/Channel
3
Use the
and
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
key, select the
key to increase or reduce the zoom factor.
key, select the
keys to move the zoom on to the successive channels.
and
move the selected cursor(s) along the trace.
User Manual
Chapter 8 Optical Spectrum Measurement
Zoom
function.
Channel
function.
can be used to select one or both cursors.
and
78000010220 Rev. 024
Trace display functions
move the trace vertically.
. It
or
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Table of Contents
Troubleshooting
