Full Scale - Viavi 8100 V2 Series User Manual

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 displayed 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:
• Cursor X: only a vertical bar is present.
• Cursor X and Cursor Y: there is a vertical bar and a horizontal bar. The intersec-
tion between these two bars is placed on the trace.
To display the type of cursor selected:
1 Click on Advanced.
2 Select the key
Each click on this key will alternatively insert or delete the check mark against
Cursor Y

Full scale

To display the entire trace, with no zoom or displacement:
1 Either press the
or,
With Trace selected on Trace/Channel, press validation key
Chapter 9 OSCA-710 Optical Spectrum Measurement
and move the selected cursor(s) along the trace.
Cursor X / Cursor Y
Full Scale key
User Manual
can be used to select one or both cursors.
and
to modify the current choice.
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Trace display functions
move the trace vertically.
. It
or
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