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Measurement Functions 3M™ Dynatel™ Advanced Modular System 965AMS
Opens>Operation
6. The T-G measurement will
be saved on the screen in
a smaller box until a new
measurement updates the
screen.
7. All measurements are erased when you exit this function.
Normal Range: A good pair should have the T-G and R-G
within about 2% of each other. If they are not within 2%, the
shortest distance will be the location of the fault and the other
distances will not provide accurate distances. Typically this will
be an open ground bond or a broken Tip or Ring.
Note: “Opens” is more accurate if other cable pairs are active.
If other pairs are not active, short at least 30% of the inactive
pairs to the cable shield.