Fluke Versiv, User Manual

Page: 171 / 260

Chapter 7: Use the OTDR
About Launch and Tail Cords
157
How to set up the launch compensation function
1
Select launch and tail cords that have the same type of fiber
as the fiber you will test.
2
On the home screen, tap the test setup panel. On the
CHANGE TEST
screen, select an OTDR test to change, then tap
EDIT
. Or to set up a new OTDR test, tap
NEW TEST
then tap
Auto OTDR
,
Manual OTDR
, or
DataCenter OTDR
.
3
On the
TEST SETUP
screen, tap the
Launch Compensation
control to set it to
On
.
4
On the
TEST SETUP
screen, make sure the
Fiber Type
is correct.
Change it if necessary.
5
On the
TEST SETUP
screen, tap
SAVE
.
6
On the home screen, tap the
TOOLS
icon, then tap
Set Launch
Compensation
.
7
On the
SET LAUNCH METHOD
screen tap the type of
compensation you want to do.
8
Clean and inspect the OTDR port and the launch/tail cord
connectors.
9
Make the connections for the type of compensation you
selected, as shown on the
SET LAUNCH METHOD
screen.
10
Tap
SET
.
11
When the
SET LAUNCH COMP
screen shows, select the event
or events that are the end of the launch cord and the start of
the tail cord (if you used a tail cord).
12
Tap
SAVE
.
Figure 68 shows an example of an OTDR trace with launch and
tail markers enabled.
Note
If you change the launch or tail cord, do the
compensation procedure again.