User Display & Control Guide - Megger Tdr2000/2 Benutzerhandbuch

USER CONTROLS AND DISPLAY
The display and controls of the TDR2000/2 have been ergonomically
arranged so that the instrument is easy to use.
The displayed information consists of the following:
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(1) Selected channels
(2) Magnification or Zoom bar
(3) Range
(4) Reflected pulse
(5) Low battery indication
(6) Gain setting
(7) Cursor (Distance) bar
(8) Distance to cursor
(9) Velocity Factor
(10) Transmitted pulse
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The Instrument controls consist of the following.
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L1 Input channel 1
L2
Input channel 2
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* Only test leads supplied with the instrument should be used.
Contrast: Display contrast adjustment allows the user to adjust the
contrast of the LCD Display for optimum viewing comfort.
Tx Null: Allows the user to reduce the amplitude of the transmitted
pulse on the displayed trace, allowing reflections close to the start of
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the cable (normally referred to as the "Dead Zone" to be identified.
Refer to the section on Tx Null for further details.
1 Cursor left: Moves cursor left, on the display. Auto repeats if
held down.
SHIFT/Cursor left – Dual cursor mode: Press with the SHIFT key to
select alternative cursor in dual cursor mode. Press the SHIFT and
Cursor key again to swap active cursors.
2 The Find key searches for the furthest major change of
impedance. This may be a fault or the end of the cable if this
is a short or open circuit hazardous voltage is present.
3 Cursor Right: Move cursor right, on the display. Auto repeats
if held down.
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