Noise Tests
142
MAX-610
VF Noise
VF Noise
The
VF Noise
test allows you to measure the amount of unwanted or
disturbing energy introduced into a loop from man-made and natural
sources.
Detection
The
Detection
function displays and updates results in
real time
, until you stop the test. The last valid results
then remain displayed.
Current Group
is the current test group name, for
example
Noise
.
Current Test
displays the test being measured.
Here you can switch to another test from the given
list. However, this action will terminate the
ongoing measurement test.
VF Noise Filter
allows you to define the voice
frequency noise filter to be used, dependent on
ITU
or
ANSI
Standard
mode and Noise Filter set in
Setup
/
Application
Settings
.
Termination Resistance
is a read-only value of
600
Ω
.
Threshold Settings
button opens a new page that allows you to set the
VF Noise threshold.
Result
displays the pass/fail status and
VF Noise
value.
Test Status
displays the current state of measurement or an error
message.
Note:
The selected VF Noise Filter shown in addition to the current Level units
selected in Setup/Application Settings have an influence on the
measurement units displayed on this page.
