Full Scale; Shift Function; Trace /Table Key - Viavi 8100 V2 Series User Manual

Chapter 11 High Resolution OSA Measurement
Trace display functions
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.
2 Choose cursor and cursor position.
3 On the
4 Use the direction keys or touch and hold screen to shift the trace in
the desired direction.

Trace /Table key

This key offers a choice from the following displays:
Trace alone: main display of the trace with a single line of the table at the
foot of the page
398
CursorX/CursorY
Cursor Y
Full Scale
Trace selected on Trace/Channel, press validation key
Zoom/Shift key, select Shift.
(see"Example of OSA test result (with grid)" on page
User Manual
to modify the current choice.
key
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395).