Configuration; Using Channel Filtering - Viavi 8100 V2 Series User Manual

Chapter 8 Optical Spectrum Measurement
Channel filtering

Configuration

To obtain filtering of a given canal to the drop port, go into theS
module. Choose Acquisition, then
The options of the acquisition menu then change and offer:
Choice of channel
In the Choice of Channel option, either a value may be entered manually or the current
value from the table can be taken.
• Manual:
required value can be entered.
• Table:
automatically. To vary this selection, go to the result screen and use
contents.
Channel value
Here the manual value of the filtering to be performed can be entered using the direction
keys and
Tracking
Activating the tracking function will make the internal tunable filter follow slow wave-
length changes of optical sources and transmitters providing stable output power.
The information «Locked» appears as long as the channel remains within the tolerance
limits of the instrument. If the channel strays outside the tolerance band, the information
«Unlocked» appears.

Using channel filtering

After setting sweep mode (in the acquisition menu of the S
press the S
276
A new line appears above choice of channel, in which the
The value of the current selection in the results table is used
. or the numeric keypad
/S button to start or stop filtering of the signal.
TART TOP
User Manual
Sweeps and select Filtering.
78000010220 Rev. 024
menu of the OSA
ETUP
Table
screen) on Filtering,
ETUP