Field or control Description
Backlight Sets the intensity of the backlight.
Auto-Dim Select On
to automatically dim the screen backlight after a specified time.
Time Sets the amount of time to wait before the display is dimmed. Tap in the field and use the knob to
change the time value, or double-tap to open the virtual keypad and set a time value.
Available when Auto-Dim is On.
Autoset panel fields and controls
Field or control Description
Autoset Adjusts Selects which controls to change as part of the Autoset operation (V
ertical Settings, Horizontal
Settings, Trigger Settings, and Acquisition Settings). The default is for all adjustments to be
enabled.
Autoset in Overlay Display
Mode Optimizes
Sets whether to optimize waveform resolution or visibility when doing an Autoset while in the Overlay
display mode.
Resolution uses as much of the ADC's range as possible to provide the best vertical resolution and
measurement accuracy, but waveforms will overlap each other.
Visibility scales and positions waveforms so they are visually separated from each other at the
expense of vertical resolution and measurement accuracy.
Autoset guidelines
•
Autoset uses the current trigger source as its reference for various operations such as setting horizontal scale.
• If the current trigger type is Bus or Sequence, or if trigger type is Edge and the trigger source is AC Line, Autoset uses the
lowest-numbered active channel as its reference.
• Autoset changes the acquisition mode to Sample.
• Doing a Default Setup operation does not change Autoset panel settings.
• All analysis and measurements abort immediately when an Autoset is started, and then restart upon Autoset completion.
Measurements panel fields and controls
Field or control Description
Shared Reference Levels Tap to select either Global or Per Source reference levels.
Global applies the same reference levels to all measurement sources.
Per Source allows selection of a dif
ferent reference levels for all measurement sources.
Calculate Reference Levels Tap to select how often to calculate reference levels.
First Acq only calculates the reference levels on the first acquisition and re-uses them for all
subsequent acquisitions. Pushing the Clear front-panel button, or making measurement changes
(adding, deleting, or reconfiguring) also clears the reference levels which are then recalculated on the
next acquisition.
Every Acq calculates the reference levels with every acquisition.
Table continued…
Menus and dialog boxes
2 Series MSO MSO24 and MSO22 189
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