YOKOGAWA AQ7280 - Marker Menu (Marker Mode: Line)

4-5
IM AQ7280-01EN
Optical Pulse Analysis
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Index
Marker Menu (Marker Mode: Line)
1.
From the top menu, select OTDR.
2.
Press the Marker soft key to display the marker menu.
Switches to the screen that is used to measure 2 Point markers.
For the measurement principle, see section 1.4.
Switches to the screen that is used to measure 5 Point markers.
For the measurement principle, see section 1.4.
Sets or clears the distance
reference.
Sets the distance reference
(marker R) at the cursor position
See page 4-3.
Clears the markers and cursors.
Preset markers.
Register markers that you set in advance,
and apply them on waveforms during
measurement when necessary.
2 Point Markers
Press the 2 Point Markers soft key to display the following screen.
Set marker n.
Marker n is set at the cursor
position.
Set marker E.
Marker E is set at the cursor
position.
Turns the cursor link on or off
Marker n
Marker E
Marker information
Move the cursor.
Moves the cursor to set
markers.
Set the approximation method.
See page 2-3.
Note
• When you set the marker positions, set them so that the n marker is the measurement start point (the
distance reference).
• The measured loss value differs depending on the specified approximation method.
4.1 Analyzing Waveforms