Viavi 8100 V2 Series User Manual page 112

Chapter 3 Reflectometry measurements
Results display
Figure 41 Zoom on trace using touchscreen
First
Second press
Defining a zoom level on the trace using direction keys
1 Select Cursor A or B and center it on the zone to be examined
2 Press Zoom
Shift on Expert OTDR.
3 Use the
cursor centered on screen.
Swapping from an automatic zoom to full trace and vice-
versa
The automatic zoom allows to get an optimized display of the trace.
To apply an automatic or entire zoom on the trace:
1 Press Zoom softkey in Smart Test or select the Zoom function on key Zoom/
Shift in Expert OTDR.
2 Press validation key
Press again validation key
Specific functions of the zoom with a touchscreen
With the touchscreen, once the Zoom function is selected, you can:
• maintain your finger pressed on screen and shift the traces horizontally or verti-
cally
• position your finger on a cursor and move it on trace maintaining your finger
pressed and moving it toward left or right
76
Zoomed area
softkey in Smart Test or select the Zoom function on key Zoom/
or key to increase or reduce the zoom factor, keeping the selected
User Manual
to apply an auto zoom on trace.
to display the trace in full screen.
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