The DSO Widget

Figure 13.1 shows the DSO menu. It is invoked by a button of the toplevel widget. This button is displayed, if a DSO has been defined.

Figure 13.1: The DSO Widget

Here is an explanation of the elements:

 Update: The refresh interval.

 Display: Selects the displayed channels.

 The Trigger frame

 NP: The number of points per trace.

 Sparse: A sparse factor of 5 means: read every 5th sample.

 Offset: A value of 1000 means: skip the first 1000 samples.

 The Trigger frame

 Channel: Selects the trigger channel.

 Mode: AUTO, NORM, SINGLE or STOP.

 Level: The trigger level.

 Time base: The DSO samples at a constant rate, depending on the module type. The time base is the time interval that corresponds to 1cm on the oscilloscope screen.

 Auto-Setup: Sends the Auto-Setup command to the DSO. The time base, vertical gain, vertical offset and trigger conditions are automatically adjusted.

 Trace C1: Enables channel 1, selectes the voltage range (vertical gain) and the offset.

 Generic name: Specifies the generic part of the file name that is used when the data are written to a disk file.