BK Precision 2560B Series, Руководство пользователя

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Note:
Note:
Search
The 2560B can search for the specified events in a frame. The location of the qualifying events are displayed with a
white triangle symbol. In the YT mode or the Roll mode with the acquisition in stop, the maximum search events
number is 1000. In the Roll mode with acquisition in run, the maximum search events number is unlimited. The
waveform can be zoomed when search function is enabled.
15.1 Setting
1. Press the Search key on the front panel.
2. Touch Setup Menu to enter the search menu.
3. Press Mode and then select the desired search type.
– Five search types are available: Edge, Slope, Pulse, Interval, Runt. For more details see table 15.1
Search Mode Setting Menu Description
Edge Slope includes Rising, Falling, Either.
Slope
Slope includes Rising, Falling Limit Range includes four types: <=, >=, [ – , – ] and – ] [ – ,
Users can select the desired type and then input the time value.
Pulse
Polarity includes Positive and Negative Limit Range includes four types: <=, >=, [ – , – ] and
– ] [ – , Users can select the desired type and then input the time value.
Interval
Slope includes Rising, Falling Limit Range includes four types: <=, >=, [ – , – ] and – ] [ – ,
Users can select the desired type and then input the time value.
Runt
Polarity includes Positive and Negative Limit Range includes four types: <=, >=, [ – , – ] and
– ][ – , Users can select the desired type and then input the time value
Table 15.1 Search Modes
Search setup is similar to the corresponding trigger type. See the sections Edge Trigger ,
Slope Trigger , Pulse Trigger , Interval Trigger and Runt Trigger for details.
15.2 Copy
The 2560B series supports replication between search settings and trigger settings.
• Copy from Trigger: Synchronize the current trigger settings to the search settings.
• Copy to Trigger: Synchronize the current search settings to the trigger settings.
• Cancel Copy: Cancel the last synchronization and restore the settings before it.
When performing a copy from trigger, if the trigger type is not supported by search, the operation is invalid.
15.3 Results
When the acquisition is started, “ EVENT NUM: 9 ” means total events number.