104 6000 Series Oscilloscope User’s Guide
2 Front-Panel Controls
3Turn the Entry knob to select the number of minutes to wait
before the selected screen saver activates.
When you turn the Entry knob, the number of minutes is
displayed in the Wait softkey. The default time is 180 minutes
(3 hours).
4Press the Preview softkey to preview the screen saver you
have selected with the Saver softkey.
5To view the normal display after the screen saver has started,
press any key or turn any knob.
To set the waveform expansion reference point
•Press Utility&Options&Preferences&Expand and select Ground or
Center.
When you change a channel's volts/division setting, the
waveform display can be set to expand (or compress) about the
signal ground level or the center of the display.
Expand About Ground The displayed waveform will expand
about the position of the channel's ground. This is the default
setting. The ground level of the signal is identified by the
position of the ground level ( ) icon at the far-left side of the
display. The ground level will not move when you adjust the
vertical sensitivity (volts/division) control.
If the ground level is off screen, the waveform will expand about
the top or bottom edge of the screen based on where the ground
is off screen.
Expand About Center The displayed waveform will expand
about the center of the display.