Specifications

General Operation
VTM Series Installation and Operation Handbook
3-17
When the panes are linked by the INPUT button, all WFM, VECT, and GAMUT panes
are selected when the LINE button is pressed. When a picture is displayed in one of the
panes, a marker across the picture approximates the displayed line position (+/- 1 line).
Waveform Cursor Selections
Cursors are available for precise measurement of waveform voltage and
waveform time. The Time Cursor indication is in the lower-right of the
pane, and the amplitude cursor indication is in the lower-left of the pane as
shown in Figure 3-14.
Figure 3-14. Establishing Cursor Select
To enable the time and/or amplitude cursors, press and hold the CURS button. Use the
NAVIGATION buttons or knobs to highlight Amplitude or Time. Once selected, press
the ENT button to enable it. Once one or both cursors are selected, press the EXIT
button to exit the CURS pane menu.
When the cursor is selected, a readout will appear at the bottom of the display. The
horizontal cursor is AMPLITUDE. The vertical cursor is TIME.
If both TIME and AMP are displayed, pressing the CURS button will select which
cursor to control. In all cases, the TIME or AMP numeric readout at the bottom of the
display indicates the difference between the REF and DELTA cursors. The active
cursor (REF, DELTA, or both) is shown with small arrows at both ends of the cursor.
Once a cursor is selected for control:
1. Press the CURVED ARROW knob to select the REF or DELTA cursor to control.
The REF line is the solid line, and the DELTA cursor is the dotted line.
2. Rotate the knob to move the REF or DELTA cursor to the desired location.
3. Press the knob for the next line. Rotate the knob to move the other line to the
desired location.
4. Press the knob a third time to control both the REF and DELTA cursors.
5. Repeat as necessary.
To exit the cursor function while leaving the cursors active, just select another mode in
the pane (i.e. Line Select, Variable Gain, etc.).