Mohr CT100B Series - A Trace that Passes the Mask Test; A Trace that Fails the Mask Test

4. Operating Instructions
Figure 4.33. A trace that passes the mask test.
Figure 4.34. A trace that fails the mask test.
To create a mask, use the following procedure:
1. Create a cable scan or load a scan from internal storage that will be used to generate a mask.
2. Select FILE → Masks menu.
3. With the desired cable scan selected, choose Create Mask From Trace.
4. The CT100B will generate a mask using the selected cable scan and display it on the screen.
If the live TDR trace fits within the mask, it will appear with a green background.
5. Use Change Vertical Margin and Change Horizontal Margin to adjust the mask boundaries
around the trace.
66 CT100B TDR Cable Analyzers Operator’s Manual