Trilithic 720 DSP, Operation Manual

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Page II-37
720 DSP Operation Manual
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Velocity of Propagation
The Velocity of Propagation setting is
used to set the propagation value for the
cable under test.
The default setting for the velocity of
propagation is
82.0%
. The velocity of
propagation can be set from a minimum of
60.0% up to a maximum of 99.0%.
Use either of the following methods to
change the velocity of propagation:
• Use the up/down arrow buttons
to change the value in 0.1%
increments.
• Press the Enter button and use
the Virtual Keyboard to directly
enter the velocity of propagation as
shown in the image to the right.
Hum Type
The Hum Type setting is used to set the
default hum type for testing.
The default setting for
Hum Type is 60
Hz
, use the up/down arrow buttons to
select from the following preset values:
• 60 Hz
• 50 Hz