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Chapter 5
Launching a reflectometry test and displaying results
Results display
User Manual 770000102/08
51
3
Use the or key to increase or reduce the zoom factor, keeping
the selected 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
Select the
Zoom
function on key
Zoom/Shift
.
2
Press validation key ( or
E
NTER ) to apply an auto zoom on trace.
Press again validation key ( or
E
NTER ) to display the trace in full
screen.
Specific functions of the zoom with a touchscreen
With the touchscreen, once the
Zoom
function is selected on menu key
Zoom
, you can:
– maintain your finger pressed on screen and shift the traces horizon-
tally or vertically
– position your finger on a cursor and move it on trace maintaining
your finger pressed and moving it toward left or right
– once a zoom is performed, double click on the zoomed zone to undo
the zoom
Zooming on the different events in succession
1
Set the cursor on one event
2
Define a zoom on this event.
3
Click on another event in the results table.
The cursor is automatically positioned on this event, which is always
centered on the screen, keeping the zoom level selected.
Shift function
(OTDR Expert only)
The Shift function is used to displace the displayed section of the trace
by pressing the direction keys or directly clicking on the touchscreen.
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 A and cursor B position.
MTS2100 4100 Module US rev08.book Page 51 Jeudi, 1. août 2013 1:43 13