Process And Display Options Tab Page - JDS Uniphase SWS15100 User Manual

Performing Zero Loss Measurement
Performing a zero loss measurement, or reference, is similar to the dark voltage measurement,
except that the Zero Loss check box must be checked. References are made one channel at a
time. The software prompts the user to connect a jumper between the output of the Control
Module and the channel of interest.
Press the Start Reference button to acquire the reference.
References are best taken after the system has warmed up. After warm-up, it is recommended
that all measurements be taken for one channel before moving on to the next channel. This
procedure, which reduces the number of times re-connections are made, is preferable to taking
a reference for each of the channels and then acquiring a reference for each of the channels.
For greater stability of polarization and to avoid drift:
1. Take a reference on the first channel.
2. Acquire the reference for the first channel.
3. View the reference in the Chart area to confirm that it is acceptable.
4. Move the jumpers, if necessary, to the next channel for reference and acquisition.

Process and Display Options Tab Page

The Process and Display Options tab page (Figure 68) allows the user to select both data
processing and data display options.
Figure 68: Process and Display Page
Scan Mode
Two types of scanning are available in the SWSsingle and continuous. In single scan mode,
one scan is performed and the result is displayed. When the scan is complete, the system
returns to the IDLE state. In continuous mode, the data is acquired, processed, and displayed for
each scan. Then new traces are acquired. The data acquisition and display stops only when the
Stop Acquisition button is pressed.
78 – Operating and Maintenance Instructions
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