Viavi 8100 V2 Series User Manual page 536

Chapter 18 OFI Module
LTS function
NOTE
A continuous push on the direction keys, increments the value by 10 dBm.
Configuring the Measurement parameters
In the Setup page, press Measur't soft key (if one parameter is selected in the current
screen, press Top Menu soft key to display the right menu keys and click
Wavelength
User choice
Beep on modulation
Unit
Reference level
This reference is also automatically available, in the Results page, using the
as Reference
Attenuator compensation
500
Selecting wavelength:
- Auto: the wavelength of the input signal will be automatically
detected and selected to perform the measurement.
850, 980, 1300, 1310, 1420, 1450, 1480, 1490, 1510, 1550 or 1625
nm: measurement performed at specified wavelength.
- User: choice of wavelength on the next line in the menu.
(if the User option was selected in the Lambda line) selection of the
wavelength between 800 nm and 1650 nm, in 1 nm steps, by means
of the direction keys
Select whether a sound must be emitted or not when a modulation
occurs (Yes / No).
Unit of power displayed:
- Watt, dBm for displaying absolute power
- dB for displaying a result relative to a reference (link loss)
If dB units were chosen in the previous line, selection of the refer-
ence value for the wavelength selected. Using the direction keys,
first choose the wavelength, then press the > key to access choice of
the value (+XXX.XX), then confirm this value with the validation
key .
key.
Choice of level to be applied to the wavelength chosen for measure-
ment to compensate for the loss due to the external attenuator
(+XX.XX dB). First use the direction keys to choose the wavelength,
then press > to access choice of value, then confirm this value by
pressing the validation key
User Manual
and .
.
78000010220 Rev. 024
Set