Keysight InfiniiVision HD3 Series - To Change the Horizontal Scale Coarse;Fine Adjustment Setting; To Position the Time Reference (Left, Center, Right, Custom)

50 Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide
2 Horizontal Controls
For information about using zoom mode for measurements, refer to "To isolate a
pulse for Top measurement"
on page 192 and "To isolate an event for frequency
measurement" on page 197.
To change the horizontal scale coarse/fine adjustment setting
You can do one of these things:
• Push the horizontal scale knob to toggle between fine and coarse adjustment
of the horizontal scale.
• Select the Fine option in the Horizontal dialog box (that you can open by
selecting the Horizontal badge or by choosing Setup > Horizontal... from the main
menu).
When Fine is enabled, turning the horizontal scale knob changes the time/div
(displayed in the status line at the top of the display) in smaller increments. The
time/div remains fully calibrated when Fine is on.
When Fine is turned off, the Horizontal scale knob changes the time/div setting in
a 1-2-5 step sequence.
To position the time reference (left, center, right, custom)
Time reference is the reference point on the display for delay time (horizontal
position).
1 Open the Horizontal dial box by selecting the Horizontal badge or by choosing
Setup > Horizontal... from the main menu.
2 In the Horizontal Menu, press Time Reference; then, select:
• Left — the time reference is set to one major division from the left edge of the
display.
• Center — the time reference is set to the center of the display.
• Right — the time reference is set to one major division from the right edge of
the display.
• Custom Location — lets you place the time reference location at a percent of
the graticule width (where 0% is the left edge and 100% is the right edge).
A small hollow triangle (
∇) at the top of the display grid marks the position of the
time reference. When delay time is set to zero, the trigger point indicator (▼)
overlays the time reference indicator.
The time reference position sets the initial position of the trigger event within
acquisition memory and on the display, with delay set to 0.