Controls and connectors Horizontal controls
Horizontal controls
Use the Horizontal controls to adjust the horizonta l parameters of waveforms. T he horizontal controls
globally affect all displayed waveforms.
Use the dedicated Position knob to adjust the horizontal
position of all waveforms. Use this knob to adjust the trigger
point so that you can select the amount of pretrigger data
or posttrigger data. In Delay Mode, this knob can be used
to set the delay time.
Use the dedicated Scale knob to adjust the horizontal scale
(time base) of all channel waveforms.
Use the Resolution knob to change the number of acquired
points (record length, in the Automatic and Constant Sample
Rate horizontal modes. The actual resolution cannot be
set directly but is derived and displayed on the horizontal
readouts.
NOTE. The Resolution knob is not available on
MSO/DPO5000 Series instruments.
Push the Delay button to turn on horizontal delay, and
then use the Position knob to set the delay time. Delay is
useful when you want to acquire waveform details that are
separated from the trigger event by a significant interval
of time.
NOTE. The Delay button is not available on
MSO/DPO5000 Series instruments.
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Trigger controls
Use the Trigger controls to set basic trigger parameters.
By default, the instrument uses the Edge trigger. To return to the Edge trigger from any other
A (main) event trigger, push the Edge button. Pushing this button does not open the Edge
Trigger control window unless another A event trigger is already displayed.
NOTE. The Edge button is not available on MSO/DPO5000 Series instruments.
To select other trigger types, push the Advanced button. In the Trigger control window, click
the Select button to choose one of the other trigger types.
Select the trigger source (see page 62) for the Edge trigger by pushing the left or right
arrow buttons until the desired Source is lighted. These buttons are only valid for the A
event Edge trigger.
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 61
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