UTD2000 Series User Manual 
61 
 
accuracy of 
voltage difference 
(△V) (average 
sampling mode)   
quantity  of  ≥16,  the  voltage  difference  (ΔV)  between  any  two  points  on  the  waveform:  ± 
(3%×reading+0.05div)   
 
Trigger System Specifications 
Interior:From the screen center ±10div 
Trigger level accuracy 
(Typical) applicable for the 
signal with rising and falling 
time ≥20ns 
Interior:±(0.3div×V/div) (within±4 div from the screen center) 
EXT:±(6% setting value+40mV) 
Normal mode/scan mode, pre-trigger/delay trigger, the pre-trigger depth is adjustable. 
Set the level to 50% 
(Typical) 
Operate under the condition of input signal frequency of ≥50Hz 
Hold off signals over 80kHz 
Hold off signals below 80kHz 
positive pulse width, negative pulse width 
Positive slope (>, <, within the scope) 
Negative slope (>, <, within the scope) 
Trigger sensitivity (Typical) 
Signal model and line/field 
frequency (video trigger 
type) 
Support standard NTSC and PAL, and the line number scope is respectively 1-525 (NTSC) 
and 1-625 (PAL)