Setting The Nvp Percentage - Fluke Networks MicroScanner Benutzerhandbuch

Setting the NVP percentage

Once in Calibrate Mode, the default NVP
(Nominal Velocity of Propagation) will be
displayed followed by the overall cable length. The
cable length is measured with the currently stored
NVP.
NVP is the measure of how fast a signal travels
down a cable compared to the speed of light. The
result will be represented as a percentage of the
speed of light. For an accurate length test, the
NVP must be set correctly.
If you know a cable's NVP, change the displayed
numbers using the keys until the appropriate
NVP is displayed. The cable length will automati-
cally adjust to the new NVP.
If you know a cable's length, change the shown
NVP using the keys until the appropriate
length is displayed. The NVP can be adjusted in
1% increments, and the length changes accord-
ingly.
Cables used for calibration must be at least 50
feet (15 meters) long. Cable lengths of less than
50 feet will display FAULT.
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