Viavi T-BERD 6000A V2, User Manual

Page: 45 / 188

Chapter 5 Power meter, VFL (Visual Fault Locator) & Talkset
Using the Power meter
User Manual 76100000200 Rev. 001 25
Configuring the
power meter
Configuring
measurement
parameters
The measurement parameters can be accessed with the
S
ETUP
key.
Wavelength 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, 1625 or 1650 nm: measurement
performed at specified wavelength.
- User: choice of wavelength on the next line
User choice (if the User option was selected in the Lambda
line) enter the wavelength between 800 and
1650 nm, using the numeric keypad, displayed
via the
Edit Value key..
Beep on Modulation Select if a sound must be heard when a
modulation occurs (Yes / No)
Unit Unit of power displayed:
-
Watts , dBm for displaying absolute power
- dB for displaying a result relative to a reference
(link loss)
Reference level Select the reference value for the wavelength
selected. First select the wavelength, then press
the > key to access choice of the value
(+XXX.XX).
This reference is also automatically available, in
the
Results page, using the Set as Reference
key.
Fig. 11 Configuration of power measurement