4.Advanced User Guidebook
Set vertical channel trigger type as Logic trigger.
Logic
Mode
OR
XNOR
Set logic mode as OR.
Set logic mode as XNOR.
Input Mode
CH2
CH3
CH4
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
Out Mod
Trigger when condition turns True from False.
Trigger when condition turns False from True.
Is True >
Trigger when the time of true condition is greater than
the set time
Is True =
Trigger when the time of true condition is equal to the
set time
Is True <
Trigger when the time of true condition is lower than
the set time
Mode
Holdoff
Normal
Single
Holdoff
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then stop
100 ns - 10 s, adjust M knob or click to set time
interval before another trigger occur, press
panel button or click move cursor to choose
which digit to be set.
Set Holdoff time as 100 ns
Bus Trigger
1. RS232 Trigger
RS232 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.