© PCE Instruments
6
6.4.2
Selecting the cable type
To measure the cable length accurately, it is necessary to select the correct cable type and
propagation velocity of the measuring signal (VOP) prior to the measurement.
1.
Press the
key to be able to select the cable type from the database of the cable length
tester with the
key.
2.
The velocity of propagation of the selected cable can only be changed manually for this
measurement. To do so, press and hold the
key in measuring mode. In the upper right
part of the display, the VOP value will now be displayed with a black background. This VOP
value can now be changed via the
and
keys. To confirm the change, short-press the
key.
6.4.3
Cable length measurement
If you have selected the correct cable as described in 6.4.2, you can now make a measurement
by pressing the
key. After the cable length measurement, the reading will be displayed. To
leave measuring mode, short-press the
key.
6.5
VOP library
To open the VOP library, first go to the menu. Select the menu item
“Velocity of propagation“.
Then select
“VOP Library“. Then select the library you wish to open. You can select either the
library
“Coaxial Cable“ or “Data Cable“.
