User Controls And Display - Megger TDR1000/2 Guía Del Usario

User controls and display

The controls of the TDR have been arranged such that
the instrument is easy to learn and use. The instrument
c o n t rols consist of the following
8
Instrument Display: The display shows the user the
c u r rent settings of the instrument and the re fle c t e d
e n e rgy trace from the cable connected.
Transmission
pulse
Range
Distance to cursor
Tx Null: This rotary control allows the user to
match the internal balance circuit of the TDR to
that of the cable under test. When corre c t l y
adjusted the majority of the displayed
transmitted pulse can be nulled out, allowing
cable features close to the start of the cable to
be identified. Refer to section TX Null for further
d e t a i l s .
Cursor Left: Moves the 'distance' cursor to the
left. Auto repeats if held down.
Cursor Right: Moves the 'distance' cursor to
the right. Auto repeats if held down
Reflection
Gain
Impedance