Full Scale; Shift Function - Viavi 8100 V2 Series User Manual

Chapter 8 Optical Spectrum Measurement
Trace display functions
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 intersection 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

Full scale

To display the entire trace, with no zoom or displacement:
1 Either press the
or,
With

Shift function

The Shift function is used to displace the displayed section of the trace by
pressing the direction keys.
The horizontal shift is performed maintaining the point of intersection
between the trace and the selected cursor at the same level, scrolling the
trace horizontally while following it vertically, so that it never goes off the
screen.
To use this function:
1 Select the zoom factor as described above.
298
CursorX/CursorY
Cursor Y
Full Scale
Trace selected on Trace/Channel, press validation key
User Manual
to modify the current choice.
key
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