To Set The Delta Marker Function; To Calculate The Total Power Under A Trace; To Set The Wavelength Line Markers - HP 86140A Series User Manual

Optical spectrum analyzer
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Using the Optical Spectrum Analyzer
The Markers Menus

To set the delta marker function

1 Place the marker to be used as a reference on the desired trace and at the
desired wavelength.
2 Press the front-panel Markers key.
3 Press the More Marker Functions.... softkey.
4 Press the Delta Marker softkey.
To fix the position of the reference marker and activate the delta marker, tog-
gle the delta marker
marker to the desired location. If the delta function is turned
marker is active, Marker #1 will be turned
and the delta function will be turned

To calculate the total power under a trace

1 Press the front-panel Markers key.
2 Press the More Marker Functions.... softkey.
3 Use the Trace Integ softkey to turn trace integration on.
Only one total power calculation can be turned on at a time. For example, if a
total power calculation is being performed on trace A, turning a total power
calculation for trace B

To set the wavelength line markers

1 Press the front-panel Markers key.
2 Press the More Marker Functions.... softkey.
3 Press the Line Marker Menu.... softkey.
4 Press the Wavelength Marker 1 or Wavelength Marker 2 softkey.
5 Position the line markers using the knob, step keys, or numeric entry pad.
Line markers let you perform sweeps, searches and integrations over a
reduced section of the selected wavelength range. Wavelength Marker 1 is
always to the left of Wavelength Marker 2.
3-28
. Use the front-panel knob or keypad to move the delta
ON
ON
.
ON
will turn the calculation for trace A
ON
and no
ON
, placed at the center wavelength,
.
OFF

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