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1.
Assure the tester is off
2.
Press the length button
3.
Press the length button
Follow these instructions to set the length constant based on a known value (for example, as given by the cable manufacturer).
The VDV Scout™ Pro LT stores a separate length constant for each of the three cable types (voice, data, and video).
1.
Follow the procedure in MEASURING LENGTH section
2.
Press and hold the length button
3.
Press the Up Arrow
value. The screen will switch back and forth between the length measurement and the length constant value every two
seconds while no buttons are pressed.
4.
Press the length button
Follow these instructions to set the length constant based on a sample cable of known length. For best accuracy,
the sample cable should be 50ft or greater.
a length of cable of the same type you would like to measure. Measure the cable using standard methods
1.
Cut or obtain
(pad printing on the cable or a tape measure).
2.
Follow the procedure in MEASURING LENGTH section
3.
Press and hold the length button
4.
Press the Up Arrow
switch back and forth between the length measurement and the length constant value every two seconds while no buttons are
pressed. Press the arrows until the length measurement is the same as the value measured earlier. The length constant can
still be changed while the length measurement is being viewed in this mode.
5.
Press the length button
lengths of cable.
1.
Assure the tester is off
2.
Press the length button
3.
Press the phone button
then show the length measurement in the unit selected.
Feet unit readings have no decimal place and are displayed as "0 Ft". Meters unit readings have one decimal place and are displayed
Note:
"0_0" for 0.0 meters. Length constants are displayed in pF/ft or pF/m depending on the selected unit measurement mode.
Cable Type
Test Running
Continuously
[LT] DISPLAYING LENGTH CONSTANT
and the screen is blank.
I to enter length mode.
I
The length constant will be displayed on the screen for three seconds as shown below.
again.
Length Constant
= 15.0pF/ft
[LT] LENGTH CONSTANT EDIT MODE
I for three seconds until EDIT CAP is shown on the screen.
F
G to increment or decrement the length constant in units of 0.1pF to the desired
and Down Arrow
I
again
to return to length measurement.
Length Constant
= 15.0pF/ft
[LT] DETERMINING LENGTH CONSTANT
I for three seconds until EDIT CAP is shown on the screen.
F
G to increment or decrement the length constant in units of 0.1pF. The screen will
and Down Arrow
I
again
to return to length measurement. You may now measure other unknown
Pair of Wires
Under Test
Measured Length
= 86 feet
[LT] CHANGING UNIT OF MEASUREMENT
and the screen is blank.
I to enter length mode.
F
G at the same time. The screen will show "METERS" or "FEET" momentarily,
and video button
Length
Measurement
Mode
Measured Length
= 45 feet
Length Constant
Display Mode
to set up the correct type of cable.
Length Constant
Edit Mode
to set up the cable to be tested.
Length Constant
Edit Mode
5
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