JDS Uniphase 4100, Руководство пользователя, Страница: 59 / 182

Chapter 5
Launching a reflectometry test and displaying results
Performing OTDR acquisitions
User Manual 770000102/08
39
Traffic detection
Traffic on the fiber under test is automatically detected and reported.
Press the
S
TART
/S
TOP key to begin the measurement. A message indi-
cates there is traffic on the fiber and asks you if you wish to continue or
not:
– If you click on
N
O , the measurement is not launched.
– If you click on
Y
ES , the measurement is performed, despite the
traffic.
The functioning of Traffic Detection is then indicated in the scaled down
representation of trace, on the upper left part of screen
.
During an acquisition in real time, several actions can be made on results
in progress: see
"Actions on trace during acquisition" page 43 .
Stopping the real
time acquisition
To stop or interrupt an acquisition in real time mode, press the
S
TART
/
S
TOP
key at any time.
Fig. 17
Example of acquisition in Real Time (with OTDR
Expert
)
NOTE
If the measurement is validated despite the traffic (key
Y
ES
), the next
measurement will be automatically performed, even if traffic is still
detected on fiber.
If the measurement is cancelled (key
N
O
), and the
S
TART
/S
TOP
pushed another time, the box asking if you wish to continue or not is
displayed.
MTS2100 4100 Module US rev08.book Page 39 Jeudi, 1. août 2013 1:43 13