Viavi SmartOTDR 100, Руководство пользователя, Страница: 44 / 156

Chapter 5 Power meter & VFL (Visual Fault Locator)
Using the Power meter via USB port
26 User Manual 7SMART102 Rev002
Beep on modulation
Select if a sound must be heard when a modulation
occurs (
Yes / No )
Unit Unit of power displayed:
Watt , dBm for displaying absolute power
dB for displaying a result relative to a reference (link
loss)
Reference level
If dB units were chosen in the previous line, selection of
the reference 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
E
NTER
key.
This reference is also automatically available, in the
Results page, using the Set as Reference key.
Attenuator compensation
Choice of level to be applied to the wavelength chosen
for measurement 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 pressing
E
NTER
.
Configuring the
Link parameters
In the Setup page, press Link soft key (if one parameter is selected in
the current screen, press Top Menu soft key to display the right menu
keys and click on Link ).
NOTE
Using MP 60 or MP80 power meter, set manually to Auto the Lambda
to automatically detect the wavelength: in results page, press Power
Config. > Wavelength key multiple times until Auto is displayed.
NOTE
To copy a Reference Level/Attenuator Compensator on all wave-
lengths, select the reference wavelength and click on
Update for All
Wavel. .
NOTE
The softkey Copy File/Link To all is displayed when one parameter
is selected in the Link or File Setup page and when the Powermeter
or Source function is active.
It allows to apply the Link and File configuration parameters of the
current applications to all the other active Fiber Optic applications
(powermeter and source).