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RIGOL Chapter 5 To Trigger the Oscilloscope
5-18 DS1000Z User Guide
lower than the trigger level of the channel.
: set the pattern of the channel selected to "Don’t Care", namely this channel
is not used as a part of the pattern. When all channels in the pattern are set to
"Don’t Care", the oscilloscope will not trigger.
Note: When digital channels D7-D0 are enabled, CH4 is automatically disabled; its
corresponding pattern cannot be set and is replaced by X. When D15-D8 are enabled,
CH3 is automatically disabled; its corresponding pattern cannot be set and is
replaced by X.
All Bits:
Press AllBits to set the patterns of all trigger sources to the pattern settings selected
currently.
Trigger Condition:
Press When to select the desired trigger condition.
>: trigger when the duration of the pattern is greater than the preset time.
Press Time to set the duration of the pattern and the range is from 8 ns to 10 s.
<: trigger when the duration of the pattern is lower than the preset time. Press
Time to set the duration of the pattern and the range is from 8 ns to 10 s.
<>: trigger when the duration of the pattern is lower than the upper limit of the
preset time and greater than the lower limit of the preset time. Press Upper
Limit to set the upper limit of the duration of the pattern and the range is from
16 ns to 10 s. Press Lower Limit to set the lower limit of the duration of the
pattern and the range is from 8 ns to 9.99 s.
Note: The time lower limit must be lower than the time upper limit.
Trigger Mode:
Press Sweep to open the trigger mode list and select auto, normal or single. For the
details, please refer to "
Trigger Mode". The corresponding status light of the
current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameters (trigger holdoff and noise rejection)
under this trigger type.
Trigger Level:
Press Source to select CH1 to CH4 respectively; use TRIGGER LEVEL to modify
the trigger level for each channel. For the details, please refer to the introduction of
"
Trigger Level".
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