Syscompact 2000 M pro Cable fault pre-location
822-175-2 63 / 98
1. Compare both traces. A negative reflection is visible at the fault position. The two traces
split at this point.
2. With cable lengths greater than 1024 m: To display additional traces, press the key
until the buttons for setting the general pre-location parameters are displayed.
3. Use the rotary knob to select the Line Select button and press the rotary knob.
4. Select additional traces with the rotary knob.
For a better evaluation, a trace can be moved and a difference curve displayed.
Moving the trace
a. Press the COMPARE key.
b. Use the rotary knob to select the SHIFT button and press the rotary knob.
c. To move the trace horizontally, turn the rotary knob.
To move the trace vertically, press the rotary knob and then turn it.
d. To exit move mode, press the key.
Displaying the difference curve
e. Press the COMPARE key.
f. Use the rotary knob to select the DIFF button and press the rotary knob.
The difference between each point on the two traces is calculated and displayed as a
difference curve.
g. To display the two traces again, select the SPLIT button and press the rotary knob.
The measurement data can be transferred to a PC or laptop and printed. To do so, the IRG
2000 must be removed from the system.
Further information:
Chapter Printing measurement data (on page 45)
User manual for IRG 2000
Recommendations if the fault position is not easily visible
If the measurement range is > 1024 m, use the Line Select button to select a different
trace.
If no breakdown was achieved or if the fault position is not visible properly in the reflection
image, increase the voltage (if permitted) and repeat the measurement.
If a trace with strong faults is superimposed, increase the trigger delay (Trig.Delay) in the
general pre-location parameters and repeat the measurement.
Saving measurement data
Measurement data comprise: Trace incl. set parameters, date and time of the measurement
and cursor positions.
1. To save the measurement data, press the FUNCTION key after the evaluation.
2. Use the rotary knob to select the button and press the rotary knob.
The measurement data are saved.
The measurement data can be transferred to a PC or laptop and printed. To do so, the IRG
2000 must be removed from the system.
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