RigExpert AA-1500 ZOOM
Cable impedance
To
measure
the
characteristic
impedance, use a piece of an open
circuited cable: a half of a meter (or a
foot) or longer should be fine. Press
(OK) to start.
Next, the far end of the cable should
be short circuited. Press
(OK) to
continue.
There are several reasons why the
resulting chart does not look smooth,
so we need to use
(Left) and
(Right) cursor keys to find the location
where the impedance is stable. The
result is shown at the bottom left corner
of the screen.
Use
+
(Up) and
+
(Down) key combinations to change the
scale, if needed.
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