Chapter 5 Trigger    RIGOL 
MSO4000/DS4000 User’s Guide  5-25 
 
The calculation formula of the slope is: 
UpLevel - LowLevel
SlewRate =
Time
 
Wherein,
 
 is the time setting value.
 
―  When the slope condition is 
 or  , the trigger level and 
slope range information is as shown in the figure below.  
 
The calculation formula of the slope range is: 
UpLevel - LowLevel UpLevel - LowLevel
SlewRate = ~
UpperLimit LowerLimit
 
Wherein, 
 is the time upper limit and 
 is the 
time lower limit. 
 
 
3.  Specify the slope condition 
Press When, turn the multi-function knob   to select the desired slope 
condition and press the knob.You can also press When continuously to switch 
the current slope condition. The slope type currently selected is displayed at the 
upper-right side of the screen.  
  : trigger when the positive slope time of the input signal is greater 
than the specified time setting.  
 
: trigger when the positive slope time of the input signal is lower 
than the specified time setting. 
 
: trigger when the positive slope time of the input signal is greater 
than the specified lower limit of time and lower than the specified upper 
limit of time. 
  : trigger when the negative slope time of the input signal is greater 
than the specified time setting. 
 
: trigger when the negative slope time of the input signal is lower 
than the specified time setting. 
 
: trigger when the negative slope time of the input signal is greater 
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