Owner's manual

Using the Optional Power Meters and VFL
14 Power Meter and VFL
Measuring Power or Insertion Loss
6. From the Instrument View tab, select Auto. Activate the source with
the auto-wavelength or auto-switching mode.
Readings with more than one wavelength appear on-screen at the
same time when the auto-switching feature is enabled on the source.
If the auto-wavelength or auto-switching mode are not activated for
your source, and that you try to use the auto feature of the power
meter, you will be notified clearly in red, and no reading is displayed.