Specifications

General Operation
VTM Series Installation and Operation Handbook
3-24
Table 3-12. Horizontal Magnification Conditions
Horizontal
Mag
Format
Displayed
Number of Eyes Displayed
SD/HD 3 eye displayed
SD 10 eyes displayed
x1 (1 nS
or 250 pS)
HD 20 eyes displayed
SD/HD 3/5 eye displayed
SD 2 eyes displayed
x5 (.20 nS
or 50 pS)
HD 4 eyes displayed
SD/HD 3/10 eye displayed
SD 1 eye displayed
x10
(.10 nS or
25 pS)
HD 2 eyes displayed
Press the ZOOM button to zoom around the reference graticule. At each zoom
position, the graticule scale and eye pattern displays expand to provide more
resolution around the zoom point.
Eye Pattern Cursor Selections
Cursors are available for precise measurement of waveform voltage and
waveform time. Press the CURS button on the front panel to enable the
cursors for the selected pane. The Time Cursor indication is in the
lower-right portion, and the amplitude cursor indication is in the lower-left of the
screen as shown in Figure 3-19.
Figure 3-19. Establishing Cursor Select for Eye Pattern
To enable the time and/or amplitude cursors, press and hold the CURS button. Use the
NAVIGATION buttons or knobs to select 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.