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%×0.05div)
Trigger System Specifications
Trigger sensitivity
≤1div
Range of trigger level
Interior
：
From the screen center ±10div
EXT
：
± 3V
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)
Pre-trigger capacity
Normal mode/scan mode, pre-trigger/delay trigger, the pre-trigger depth is adjustable.
Hold-off range
80ns~1.5s
Set the level to 50%
(Typical)
Operate under the condition of i
nput signal frequency of ≥50Hz
Trigger mode
AUTO, normal, single
High-frequency holdoff
Hold off signals over 80kHz
Low-frequency holdoff
Hold off signals below 80kHz
Edge trigger
Edge
Rise, fall, rise&fall
Pulse width trigger
Trigger mode
>, <, <>
Polarity
positive pulse width, negative pulse width
Pulse width range
20ns~10s
Slope trigger
Slope condition
Positive slope (>, <, within the scope)
Negative slope (>, <, within the scope)
Time setting
20ns~10s
Video trigger
Trigger sensitivity (Typical)
2div Vpp
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)
Alternating trigger
Alter
Edge, Pulse, Slope
