Oscilloscope Overview and Set Up
Horizontal Controls
The Delay knob changes the Trigger Delay value (S) when turned. Push the knob to reset Delay to zero.
The Horizontal Adjust knob sets the Time/division (S) of the oscilloscope acquisition system when the trace source
is an input channel. The Time/div value is shown on the Timebase descriptor box. When using this control, the
oscilloscope allocates memory as needed to maintain the highest sample rate possible for the timebase setting.
When the trace is a zoom, memory or math function, turn the knob to change the horizontal scale of the trace,
effectively "zooming" in or out. By default, the knob adjusts values in 1, 2, 5, 10 step increments. Push the knob to
change the action to fine increments; push it again to return to stepped increments.
Vertical Controls
Channel buttons turn on a channel that is off, or activate a channel that is already on. When the channel is active,
pushing its channel button turns it off. A lit button shows the active channel.
Offset knob adjusts the zero level of the trace (this makes it appear to move up or down relative to the center axis of
the grid). The value appears on the trace descriptor box. Push it to reset Offset to zero.
Gain knob sets Vertical Gain (V/div). The value appears on the trace descriptor box. By default, the knob adjusts
values in 1, 2, 5, 10 step increments. Push the knob to change the action to fine increments; push it again to return to
stepped increments.
Dig button enables digital input through the Digital Leadset on -MS models.
Math, Zoom, and Mem(ory) Buttons
The Zoom button creates a quick zoom for each open channel trace. Touch the zoom trace descriptor box to display
the zoom controls.
The Math and Mem(ory) buttons open the corresponding setup dialogs.
Cursor Controls
Cursors identify specific voltage and time values on the waveform. The white cursor lines help make these points
more visible. A readout of the values appears on the trace descriptor box.
There are five preset cursor types, each with a unique appearance on the display. These are described in more detail
in the Cursors section.
Type selects the cursor type. Continue pressing to cycle through all cursor until the desired type is found. The type
"Off" turns off the cursor display.
Cursor knob repositions the selected cursor line when turned. Push the knob to select a different cursor line to
adjust.
Adjust and Intensity Controls
The Adjust knob changes the value in any highlighted data entry field when turned. Pushing the Adjust knob toggles
between coarse (large increment) or fine (small increment) adjustments.
When more data is available than can actually be displayed, the Intensity button helps to visualize significant events
by applying an algorithm that dims less frequently occurring samples. This feature can also be accessed from the
Display Setup dialog.
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