
CableSHARK P3 User Guide
141
8.8.2 Running a 4-Wire Crosstalk Test
Use caution when connecting the test set, as telephone cables may have dangerous A.C. or D.C.
voltages on them.
Press the function button corresponding to the RUN / STOP button on the front of the CableSHARK to
initiate the test. Figure 8.8.2A shows an example of the results obtained from a 4 Wire Crosstalk Test.
Test completed.
MAIN
MENU
EF
CHG
ZOOM IN
HORZ
17 565 1113
2208 kHz
1660
dB
0.0
20.0
40.0
60.0
80.0
SHOW
REF
TEST
SETUP
ZOOM IN
VERT
SAVE/
UPLOAD
Press or to move cursor
Impedance
Cursor position
= 72.4 dB
= 1112.625 kHz
0.0
20.0
40.0
60.0
80.0
FIGURE 8.8.2A - RESULTS OF 4 WIRE CROSSTALK TEST
At the completion of a test, the Function button command selection at the bottom of the 4 WIRE XTALK
RESULT screen consists of a minimum of five options available to the operator. The following are brief
descriptions of each of the Function button options:
SHOW REF
Pressing the function button corresponding to SHOW REF allows a user to
overlay a REFERENCE MASK over the test result on screen to compare the
two. See Section 5.4 for more information about the REFERENCE MASK
feature.
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