User Manual

Set trigger menu

then trigger happens.

2. Pulse width trigger: When signal of the pulse width reaches a certain given

trigger condition and the signal voltage reaches the given trigger level, then

trigger happens.

3. Logic trigger: When two channel levels meet a certain logic operation result,

then trigger happens.

4. Video trigger: trigger for PAL, NTSC, SECAM, 720P, 1080I, 1080P

5. Serial bus trigger: serial decode and trigger for UART（RS232/RS422/RS485）

/SPI/I2C/CAN/LIN.

Trigger level： Trigger level is the signal’s voltage value which trigger event occurs, shown as

. press or roll the wheel to adjust trigger level, the screen will temporarily display

a horizontal line to show the level position. See the trigger level at picture3-34(arrow shows

the trigger level is horizontal line).