Viavi OTDR 41 A Series, Руководство пользователя

Страница: 60 / 148

Chapter 3 Launching a reflectometry test and displaying results
Performing OTDR acquisitions
42 User Manual 700MAN201 Rev. 002
Press the S
TART
key to begin the measurement. A message indicates 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:
LFD is flashing.
During an acquisition in real time, several actions can be made on results in progress:
see
"Actions on trace during acquisition" page 45 .
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.
Performing a measurement with SmartTEST
The acquisition is carried out with the parameters saved in the Configuration file. It may
be stopped at any time using the
S
TART
/S
TOP
key.
At the end of test, the results page displays.
1 From the Setup page, press Start Test key to launch measurement
(see Figure 7 on page 10 ).
The red Testing indicator goes on to show that the equipment is in process of
acquisition and the screen displays the trace in process of acquisition.
2 The quality of the connection is displayed for a
few seconds (see
Table 3 on page 41 )
3 Then, a bar graph shows elapsed and remaining acquisition time.
NOTE
If the measurement is validated despite the traffic (key Yes ), the next mea-
surement will be automatically performed, even if traffic is still detected on
fiber.
If the measurement is canceled (key
N
O
), and the S
TART
/S
TOP
pushed
another time, the box asking if you wish to continue or not is displayed.
OTDR New IHM rev002.book Page 42 Jeudi, 5. mai 2022 11:50 11