EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 246)

VF / DSL Cable Qualifier
234
Measurement
Units: Allows user to select from displaying results in dBm or dBrnC.
Separation (dB) Allows user to specify the level difference between the low, mid and high
thresholds in dB. 1 to 6 dB is the available range for separation.
Imp Noise Meas
Time: Allows user to select the test duration. Options are from 1 minute to 24 hours. 15
minutes is the default.
With IMPULSE NOISE selected, press the RUN/STOP key to start the test. The following screen will appear.
Impulse Noise test in progress.
MAIN
MENU
Impedance =
Noise Filter Selected =
Impulse Noise Low Threshold =
Impulse Noise Separation =
Impulse Test Duration =
E F CHG
00:09:12
SAVE/
UPLOAD TEST
SETUP
Time Remaining =
Impulse Noise High =
Impulse Noise Mid =
Impulse Noise Low =
600 ohms
C Notched
-23 dBm
3 dB
15 minutes
0
0
0
F IGURE 15.4B - R UNNING THE I MPULSE N OISE TEST
Press the RUN/STOP button to stop the test before the timer runs out if desirable.
Results can be saved by pressing the SAVE/UPLOAD button.