4.Advanced User Guidebook
Set CH1 as High Level, Low level, high or low
level, Rise and Fall.
Set CH2 as High Level, Low level, high or low
level, Rise and Fall.
Set CH3 as High Level, Low level, high or low
level, Rise and Fall.
Set CH4 as High Level, Low level, high or low
level, Rise and Fall.
Note
：
When input mode of one channel is set as
Rise or Fall, the other channel could not be set as
Rise and Fall at the same time.
Trigger when condition turns True from False.
Trigger when condition turns False from True.
Trigger when the time of true condition is greater
than the set time
Trigger when the time of true condition is equal to
the set time
Trigger when the time of true condition is lower
than the set time
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then
stop
100 ns - 10 s, click or to set time interval
before another trigger occur, click to move
cursor to choose which digit to be set.
Set the trigger sensitivity.
Bus Trigger
1. UART Trigger
UART is a serial communication mode used in the data transmission between
PCs or between PC and Terminal. A character is transmitted as a frame of data
which consist of 1bit start bit, 5-8bits data bits, 1bit check bit and 1-2 stop bits.
In UART bus trigger mode, the trigger setting information is displayed on
bottom right of the screen, for example, , indicates that
trigger type is UART, CH1 trigger level is 0.00mV.
Format as shown in the figure below,
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