Agilent Technologies E6000C User Manual page 234

Test II. Event Deadzone
N O T E
Start measurement
Position markers
Set scales and offset
E6000C Mini-OTDR User's Guide, E0302
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
D Single-Mode/Multimode Module Performance Tests
of the reflection. Set the measurement span to start
position+2 km.
[S }<R ><R
ETTINGS ANGE
to specify Start and Span. Confirm with OK.
The start position should be a little before the front edge
of the reflection. For example, if the reflection is at 2.2
km, use a start position of 2 km.
12 Run the measurement.
Run/Stop
13 Position marker A on top of the first reflection on the
trace.
U (A/B) until only A is highlighted. Use L
P
keys to set marker A
14 Position marker B about 5 m right from marker A.
U (A/B) until only B is highlighted. Use L
P
keys to set marker B.
U (A/B) until only A is highlighted. Use L
P
keys. Use D (Around A) to get better resolution.
OWN
15 Set the y-axis scale to 0.5 dB/Div and the x-axis to 0.5
m/Div.
} → 0.5 m/Div and [ ⇑ ⇓ Zoom] → 0.5 dB/
{<==> Z
OOM
Div. Close by OK.
16 Select offset, and move the peak of the reflection 3
divisions (1.5 dB) above the center of the graph.
[V }<A V-O
IEW DJUST FFSET
S to Confirm.
ELECT
I ...>. Use Cursor keys
ANGE NPUT
/R
EFT
/R
EFT
/R
EFT
>. Use L /R keys. Press
EFT IGHT
IGHT
IGHT
IGHT
233