Zoom Function - Viavi 8100 V2 Series User Manual

If another key than the key Cursor A / Cursor B is activated when the validation key is
pressed (Trace or Zoom), the cursors' position is unchanged.
Cursor function not selected
When Cursor menu key is not selected, the upper banner displays information, different
according to the menu key selected:
• If the Trace/Summary key is selected, with Trace function valid, the upper
banner indicates that to change the displayed trace, you can click on the banner
or on the right arrow key
• If the Zoom/Shift key is selected, and the Zoom function valid, the upper banner
indicates that to get an automatic or full zoom, you must press E

Zoom function

The Zoom function is used to analyze part of the trace in greater detail. The zoom is
centred on the active cursor.
The position of the section of trace displayed with respect to the complete trace is repre-
sented by a red rectangle on the mini-trace at the top left-hand corner of the screen.
Defining a zoom on the trace using the touchscreen or
screen deported on PC
1 Press Zoom or Zoom/Shift softkey to activate the zoom function
– menu key
– menu key
2 Press once in one location on the screen, which will represent the upper left
corner of the zoomed area.
The icon
3 Press another time on the location which will represent the lower right corner of
the zoom.
in Smart Test
in Expert OTDR
is displayed on the screen.
User Manual
Chapter 3 Reflectometry measurements
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Results display
key.
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