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HDO9000 High Definition Oscilloscopes Operator's Manual
case of positive-going runt pulses, the value displayed in the table is the absolute value of the
amplitude of the runt pulse. Runt Mode settings are:
l
Runt Type
. Choose Both, Pos, or Neg.
l
Hysteresis
. Enter the hysteresis level as a percentage or voltage.
l
Low/High Threshold
. Enter the levels as a percentage or voltage.
l
Absolute Levels
. Check this box to enter levels as absolute voltage instead of percentage.
Measurement Mode
Measurement Mode is used for applying filters to measurements to find those that meet your defined
criteria, helping to isolate particular events within many samples. Markers appear over the source
trace to indicate the location of measurement, while the table displays values for the selected
parameter that meet the criteria. Measurement Mode settings are:
l
Measurement
. Choose the measurement parameter you wish to search.
l
Filter Method
. Choose the operator that indicates the desired relationship to the Filter Limit.
Only measurements that meet this criteria are returned.
l
Filter Limit
. Enter the value that completes the filter criteria.
Alternatively, you can use the
Filter Wizard
to create the filter criteria.
Serial Pattern Mode
Serial Pattern Mode is used for finding 2- to 64-bit patterns in digital sequences; ideal for bursted
patterns where a PLL cannot lock. Serial Pattern Mode settings are:
l
Viewing
. Choose to enter the pattern as Binary or Hex(adecimal).
l
Binary/Hex
. Enter the pattern.
l
Num. Patterns to detect
. Enter a whole number.
Bus Pattern Mode
Bus Pattern Mode (-MS models only) is used for finding 2- to 16-bit patterns across the digital lines.
Bus Pattern Mode settings are:
l
Viewing
. Choose to enter the pattern as Binary or Hex(adecimal).
l
Binary/Hex
. Enter the pattern.
l
Num. Patterns to detect
. Enter a whole number.
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