Datasheet

4.Advanced User Guidebook
44
Mode
Holdoff
Auto
Normal
Single
Holdoff
Reset
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 Type
1. SPI
Trigger on the specified data when the timeout condition is meet. When using SPI
trigger, you need to specify the SCL and SDA data sources.
In SPI bus trigger mode, the trigger setting information is displayed on bottom right
of the screen, for example, ，indicates that
trigger type is SPI, CH1 trigger level is 0.00mV, CH2 trigger level is 0.00mV.
SPI Trigger menu list:
MENU
SETTING
INSTRUCTION
Bus Type SPI Set vertical channel bus type as SPI trigger.
Source
CH1
CH2
Set CH1 as SCL or SDA.
Set CH2 as SCL or SDA.
Time Out Time out
Set the minimum time that SCL must be idle, available
range 100ns-10s. Time out means SCL keeps idle for a
specified time before oscilloscope starts to search for
the data(SDA) on which to trigger. adjust M knob or
click to set time out, press panel
button or click move cursor to choose which
digit to be set.
ClockEdg
e&Data
Clock Edge
Set Edge Clock as Rising edge or Falling edge. Means
sample the SDA data on the rising edge or falling edge
of the clock.
Set the number of bits of the serial data character
string. It can be set to any integer between 4-32. adjust
Data Bits