Level field
The Level field shows the voltage value of the trigger level. When the voltage
value on the trigger source input waveform equals the trigger level voltage
value, the oscilloscope triggers.
When you change the trigger level voltage value, the waveform moves
horizontally on the display to maintain the trigger point. (That is, the point
where the waveform voltage value crosses the trigger point voltage value.)
The following illustration shows this.
If the trigger point voltage level is set above or below the waveform
amplitude, the trigger point cannot be found. If Auto-Trig is set to On, this
causes the waveform display to become unsynchronized and to "float" on the
display. If Auto-Trig is set to Off, the message "Waiting for trigger" is
displayed.
The trigger point voltage can be set either by the autoscale function or by a
voltage value set into the Level field. It can be set to any voltage value
contained within the waveform display window, in increments of 0.05% of full
scale vertical voltage range (V/Div x 4 divisions = full scale). For example, if
full scale voltage range were 400 mV, trigger level would be set in increments
The Scope Trigger Menu
Level field
7-81
Содержание 1660CS
Страница 5: ...Introduction iv ...
Страница 16: ...1 Logic Analyzer Overview ...
Страница 24: ...2 Connecting Peripherals ...
Страница 33: ...2 10 ...
Страница 34: ...3 Using the Logic Analyzer ...
Страница 55: ...3 22 ...
Страница 56: ...4 Using the Trigger Menu ...
Страница 75: ...4 20 ...
Страница 76: ...5 Triggering Examples ...
Страница 109: ...5 34 ...
Страница 110: ...6 File Management ...
Страница 114: ...Saving the system configuration for programmatic control File Management To save a configuration 6 5 ...
Страница 119: ...6 10 ...
Страница 120: ...7 Reference ...
Страница 221: ...7 102 ...
Страница 222: ...8 System Performance Analysis SPA Software ...
Страница 241: ...SPA Time Interval System Performance Analysis SPA Software SPA measurement processes 8 20 ...
Страница 252: ...9 Concepts ...
Страница 273: ...HP 1660CS series analyzer theory HP 1660C CS logic analyzer The Analyzer Hardware HP 1660CS series analyzer theory 9 22 ...
Страница 279: ...Oscilloscope board theory Oscilloscope board The Analyzer Hardware Oscilloscope board theory 9 28 ...
Страница 284: ...10 Troubleshooting ...
Страница 298: ...11 Specifications ...
Страница 311: ...11 14 ...
Страница 312: ...12 Operator s Service ...
Страница 324: ...Troubleshooting Flowchart 2 Troubleshooting To use the flowcharts 12 13 ...
Страница 337: ...Glossary 4 ...