Figure 5-11 Setup/Hold Trigger 
 
Trigger Type: 
Press Type, and then rotate the multifunction knob    to select "Setup/Hold". 
Press down the knob to select the trigger type. Then, the current trigger setting 
information is displayed at the upper-right corner of the screen, as shown in the 
figure below. You can also press Type continuously to select the trigger type or 
enable the touch screen to tap the desired trigger type and select it. 
   
 
Clock Source: 
Press SCL to set the signal source of the clock line. It can be set to CH1-CH4 or 
D0-D15. For details, refer to descriptions in "Trigger Source". The current clock 
source (trigger source) is displayed at the upper-right corner of the screen. 
Note: Only when we select the channel (that has been input with signals) as the 
clock source, can we obtain a stable trigger. 
 
Edge Type: 
Press Slope continuously to select the desired clock edge type, and it can be set to 
"Rising"    or "Falling"  . 
 
Data Source: 
Press SDA to set the signal source of the data line. It can be set to CH1-CH4 or 
D0-D15. For details, refer to descriptions in "Trigger Source". The current data 
source (trigger source) is displayed at the upper-right corner of the screen. 
Note: Only when we select the channel (that has been input with signals) as the 
trigger source, can we obtain a stable trigger. 
 
Data Type: 
Press Data Type continuously to set the effective pattern of the data signal. It can 
be set to H (high level) or L (low level).