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•
A&D: the oscilloscope searches for the specified address and data at the same
time, then triggers when both the address and data meet the conditions. After
this condition is selected, you need to set the sub Data-menu items such as
Direction, Bytes, AddrBits, Address, and Data. For the setting methods, refer to
descriptions in "Address" and "Data" conditions.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
Trigger Mode
descriptions in
Trigger Parameter Setting
Noise Rejection
You can refer to
Level Selection and Setting
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain a stable waveform.
•
Level A
Click or tap the input field of Level A to input the level of SCL with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob or
trigger level knob to set the value. For details, refer to descriptions in
Level
. The current trigger level is displayed in the trigger information label at the
top of the screen.
•
Level B
Click or tap the input field of Level B to input the level of SDA with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
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15
10
20
5
25
0
30
Figure 8.29 Hexadecimal Format Setting
.
to set the noise rejection under this trigger type.
Triggering the Oscilloscope
Trigger
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DHO1000 User Guide
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