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Using the Multi-Wavelength Meter
Displaying Wavelength and Power
List by WL or power modes
In the list-by-wavelength or list-by-power modes, the measurements of five
laser lines can be displayed at any one time. In list by wavelength mode, the
signals are displayed in order from shortest to longest wavelengths. The
Agilent 86120B can measure up to 100 laser lines simultaneously. Use the
and softkeys to move the cursor through the list of signals; the list can
contain up to 100 entries. Press the
SELECT
key, and the display changes to
peak wavelength mode with the signal at the cursor displayed.
Annotation in the upper right corner of the display indicates whether the sig-
nals are ordered according to wavelength (
BY WL
) or power (
BY PWR
). The
cursor shows the currently selected laser line. As you scroll through the
responses, the current position of the selection cursor is shown along the
screen’s right side.
Display after “List by WL” key pressed
Also notice that power bars graphically show the relative power levels
between laser lines.
To display multiple laser lines
1
Connect the fiber-optic cable to the front-panel
OPTICAL INPUT
connector.
2
Press the green
Preset
key.
3
Press
List by WL
to display the laser lines from the shortest wavelength to the
longest wavelength.