Instructions
4.Advanced User Guidebook 
46 
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 
Alternate Trigger (Trigger mode: Edge) 
Trigger signal comes from two vertical channels when alternate trigger is on. This 
mode is used to observe two unrelated signals. Trigger mode is edge trigger. 
Alternate trigger (Trigger Type: Edge) menu list: 
Menu 
Settings 
Instruction 
Alternate Mode 
Edge 
Set vertical channel trigger type as edge trigger. 
Source 
CH1 
CH2 
Channel 1 as trigger signal. 
Channel 2 as trigger signal. 
Coupling 
AC 
DC 
Block the direct current component. 
Allow all component pass. 
Slope 
Trigger on rising edge 
Trigger on falling edge 
Mode 
Holdoff 
Auto 
Holdoff 
Reset 
Acquire waveform even no trigger occurs 
100 ns - 10 s, turn the M knob or click   to set 
time interval before another trigger occur
, press 
  panel button or click   
to move 
cursor to choose which digit to be set. 
Set Holdoff time as default value (100 ns). 
Logic Trigger 
Trigger according to logic relation. 
In Logic Trigger mode, the trigger setting information is displayed on bottom right of 
the screen, for example,  ,indicates that 
trigger type is Logic, logic mode is AND, CH1 high level and trigger level is 0.00mV, 
CH2 high level and trigger level is 0.00mV. 










