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4.Advanced User Guidebook
Error
Trigger when error frame is detected. After choosing
this condition, press Configure to enter detailed
settings.
Chk Error
Trigger when Chk Error is detected. After choosing
this condition, press Configure to enter detailed
settings.
Data
Trigger on the last bit of the preset data. After
choosing this condition, press Configure to enter
detailed settings.
Configure
Start
Common Baud: adjust M knob to choose common
baud.
Custom Baud: adjust M knob to choose baud, ranges
from 50 to 10,000,000.
Error
Stop Bit
：
Select “1”or ”2”.
Parity: “NO””EVEN””ODD”
Common Baud: adjust M knob to choose common
baud.
Custom Baud: adjust M knob to choose baud, ranges
from 50 to 10,000,000.
Chk Error
Even-Odd
：
Select Even or Odd.
Common Baud: adjust M knob to choose common
baud.
Custom Baud: adjust M knob to choose baud, ranges
from 50 to 10,000,000.
Data
Data Bits
：
Set as 5
、
6
、
7
、
8 bits.
Data：Set data according to data bits, ranges from 0-31,
0-63, 0-127 or 0-255.
Mode
Holdoff
Auto
Normal
Single
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then stop
2. I2C Trigger
The I2C serial bus consists of SCL and SDA. The transmission rate is determined by
SCL, and the transmission data is determined by SDA. As shown in below figure,
oscilloscope can trigger on the start, restart, stop, ack lost, specific device address or
data value, also device address and data value at the same time.
In I2C bus trigger mode, the trigger setting information is displayed on bottom right
of the screen, for example, ，indicates that
trigger type is I2C, CH1 trigger level is 0.00mV, CH2 trigger level is 0.00mV.
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