Instructions
4.Advanced User Guidebook 
47 
Logic Trigger menu list: 
MENU 
SETTING 
INSTRUCTION 
Mode 
Logic 
Set vertical channel trigger type as Logic trigger. 
Logic 
Mode 
AND 
OR 
XNOR 
XOR 
Set logic mode as AND.  
Set logic mode as OR.  
Set logic mode as XNOR.  
Set logic mode as XOR.  
Input Mode 
CH1 
CH2 
Set CH1 as High Level, Low level, high or low level, 
Rise and Fall.   
Set CH2 as High Level, Low level, high or low level, 
Rise and Fall. 
Note
:
When input mode of one channel is set as Rise or 
Fall, the other channel could not be set as Rise and Fall 
at the same time.  
Out Mod 
Goes True 
Trigger when condition turns True from False. 
Trigger when condition turns False from True. 
Trigger when the time of true condition is more than 
the set time 
Trigger when the time of true condition is lower than 
the set time 
Trigger when the time of true condition is equal to the 
set time 
Goes False 
Is True > 
Is True < 
Is True = 
Mode 
Holdoff 
Auto 
Normal 
Single 
Holdoff 
Reset 
Acquire waveform even no trigger occurred 
Acquire waveform when trigger occurred 
When trigger occurs, acquire one waveform then stop 
100 ns - 10 s, adjust M knob or click   to set time 
interval before another trigger occur, press     
panel button or click   move cursor to choose 
which digit to be set. 
Set Holdoff time as 100 ns 
Bus Trigger 
1.  RS232 Trigger 
RS232 is a serial communication mode used in the data transmission between PCs or 
between PC and Terminal. A character is transmitted as a frame of data which consist 
of 1bit start bit, 5-8bits data bits, 1bit check bit and 1-2 stop bits. 
In RS232 bus trigger mode, the trigger setting information is displayed on bottom 










