Cursors - Viavi E4123MM User Manual

Chapter 2 SMART TEST function
Results display
The following columns are then displayed next to each event icon:
Distance
Loss
Reflect.
Slope
Section Att.
T. Loss

Cursors

The cursors A and B are represented by vertical lines of different colors:
• The A cursor line is displayed in red
• The B cursor line is displayed in blue.
The Cursor position is displayed just above the trace: the active cursor is represented
with a red/blue point in the cursor bar.
1 Touch the screen on the required location on trace where the active cursor must
be set.
Above the trace is shown the 2-points loss measurement between the two cursors,
together with the distance between the two cursors.
Figure 17 Cursors information
24
The distance of the event from the beginning of the fiber, in
meters (or miles)
The attenuation due to the event, in dB
The reflectance of the event, in dB
The slope before the event, in dB/km (or dB/kft) if it can be
measured
The attenuation, in dB, between the marker of the event and
the previous marker.
The total attenuation of the fiber (total loss), in dB
User Manual
Cursor bar
700MAN201 Rev. 004