25
Trigger System
Trigger Types
Edge, Pulse Width, Video, Slope, Alternative
Trigger Source
CH1, CH2, EXT, EXT/5, AC Line
Trigger Modes
Auto, Normal, Single
Trigger Coupling
AC, DC, LF rej, HF rej
Trigger Level
Range
CH1,CH2:±6 div from center of screen
EXT: ±1.2V
EXT/5: ±6V
Trigger
Displacement
Pre-trigger:(Memory depth / (2*sampling))
Delay Trigger: 271.04 div
Trigger Level
Accuracy(Typical)
applicable for the
signal of rising and
falling time
≧
20ns
Internal: ±(0.2 div x V/div)(within±4 div from
center of screen)
EXT: ±(6% of s 40mV)
EXT/5: ±(6% of s 200mV)
Trigger Sensitivity
For fixed gain ranges
1 div: DC ~ 10MHz
1.5 div: 10MHz ~ Max BW
EXT: 200mVpp DC ~ 10MHz
300mVpp 10MHz ~ Max BW
EXT/5: 1Vpp DC ~ 10MHz
1.5Vpp 10MHz ~ Max BW
Pulse Width
Trigger
Trigger Modes:( >, <, =) Positive Pulse Width,
(>,<, =) Negative Pulse Width
Pulse Width Range: 20ns ~ 10s
Video Trigger
Support Signal Formats: PAL/SECAM, NTSC
