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The following table gives some examples of detection of events for different threshold
values.
Value of the thresholds
E.g.
Attenuat.
(dB)
1
0.05
2
1
3
6
1. Example: a value will be displayed at -43 dB.
2. Example: a value will be displayed at -14 dB but not at -20 dB.
The reflectance of an event is always measured except when the event causes a satu-
rated Fresnel peak or if it is drowned out by noise. In this case, the T-BERD/MTS
displays
>
to show that the actual reflectance exceeds the value displayed.
Results table
Under the trace is displayed the results table with all the events detected during acqui-
sition.
Smart Test Mode
In Smart Test,mode, the results table is always displayed under the trace, in Trace
dispay: see
The T-BERD/MTS displays a value if the
attenuation or the reflectance has one of the
following values
Reflect.
Attenuation
(dB)
- 60
> 0.05 dB
- 15
> 1 dB
---
> 6 dB
Figure 37 on page 70
User Manual
Chapter 3 Reflectometry measurements
78000010220 Rev. 024
Results display
Reflectance
1
> - 60 dB
2
>- 15 dB
69
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