RIGOL MSO/DS2000A Series - Manual (Page 130)

RIGOL Chapter 5 To Trigger the Oscilloscope
5-44 MSO2000A/DS2000A User’s Guide
Trigger Level:
Press SCL and use TRIGGER LEVEL to modify the trigger level of the SCL
channel. Press SDA and use TRIGGER LEVEL to modify the trigger level of the
SDA channel. For the details, please refer to the introduction of “Trigger Level”.
USB Trigger (Option)
Trigger on the SOP, EOP, RC, Suspend and Exit Suspend of the data packet on the
differential USB data cable (D+ and D-). This trigger supports USB Low Speed and
Full Speed. The figure below shows the USB data transmission protocol.
Figure 5-15 USB Trigger
Trigger Type:
Press Type to open the trigger type list. Rotate
and press down to select
“USB”. At this point, the trigger setting information as shown in the figure below is
displayed at the upper right corner of the screen. For example,
Source Selection:
Press D+ and D- to specify data sources for D+ and D- data cables respectively.
They can be set to CH1, CH2 or any channel of D0-D15. For the details, please refer
to the introduction in “
Trigger Source”. The current trigger source is displayed at
the upper right corner of the screen.
Signal Speed:
Press Speed to select “Low Speed” (1.5 Mb/s) or “Full Speed” (12 Mb/s).
Trigger Condition:
Press When to select the desired trigger condition.