
D Single-Mode/Multimode Module Performance Tests Test III. Attenuation Deadzone
238 E6000C Mini-OTDR User’s Guide, E0302
NOTE When noise is seen on the trace, a position referring to the
mean value of the trace should be selected.
Figure 82 Attenuation Deadzone Test: Marker B at End of Reflection
Set scales 21 Set resolutions to: x-axis: .5m/Div, y-axis: 0.5dB
{<==> Z
OOM} → 0.5 m/Div and [⇑ ⇓ Zoom] → 0.5 dB/
Div. Close by OK.
Reposition marker A 22 Select marker A
U
P (A/B) until only A is highlighted.
23 Use the L
EFT/RIGHT keys to move marker A to the start
of the front reflex.
NOTE The best approximation of the start position of the
reflection is: last point on backscatter + half sample
spacing, that is Samp. Dist.
.
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