5 power influence – EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual
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CableSHARK P3 User Guide
235
15.5 Power Influence
The Power Influence test measures the affects that 50 Hz and 60 Hz power line (AC Mains) interference has
on the circuit under test. Up to the 9
th
Harmonic is displayed.
To measure Power Influence, select the VF TESTS option from the CABLE TESTS pop-up menu. Select
RECEIVE TONE from the VF TESTS sub-menu. To continue, press RUN/STOP.
SEND TONE
dBrn
EDIT /
SELECT
MAIN
MENU
Test Type :
Measurement Units:
E
F
CHG
POWER INFLUENCE
F
IGURE
15.5A
-
S
ETTING
U
P THE
P
OWER
I
NFLUENCE TEST
The VF TEST menu has the following configuration option.
TEST TYPE:
Select POWER INFLUENCE
Measurement
Units:
Allows user to select from displaying results in dBm or dBrn.
With POWER INFLUENCE selected, press the RUN/STOP key to start the test. The following screen is
displayed.