If the temperature is known and the total of the specified section lengths is greater than the measured distance to strap, then the calculated unknown section length would be negative. This will cause a “Yield Sign” to be displayed to the left of the setup boxes and “***” to be displayed in the
“Distance to Fault” and “Distance Strap to Fault” boxes as shown below.
If the red and green clips are reversed in a separate pair RFL measurement, the “Resistance to Fault” calculation may return a negative value. This will cause a “Yield Sign” to be displayed next to the DSTF or RSTF result and “***” in the DTF and DSTF boxes as shown below.
70
