RIGOL Chapter 5 Trigger
5-38 DS4000E User’s Guide
9. Turn the noise rejection on or off
Press Setting to enter the trigger setting submenu. In this submenu, press
Noise Reject to turn the noise rejection on or off (please refer to “Noise
Rejection”).
CAN Trigger
DS4000E can trigger on the start of a frame, end of a frame, frame of the specified
type or error frame of the specified type of the CAN signal.
The data frame format of the CAN bus is as shown in the figure below.
Figure 5-5 Data Frame Format of the CAN Bus
Press MENU (in the trigger control area (TRIGGER) at the front panel) Type, turn
the multi-function knob to select “CAN” and press the knob. You can also press
Type continuously to switch to “CAN” trigger.
At this point, the trigger setting information (include the trigger type, trigger source
and trigger level, as shown in the figure below) is displayed at the upper-right side of
the screen and changes with the trigger setting.
1. Specify the trigger source and adjust the trigger level
1) Press Source to select CH1 to CH4 (please refer to “Trigger Source”).
The trigger source currently selected is displayed at the upper-right side of
the screen.
Note: Channels that are turned off can also be selected as the trigger
source.
2) Turn TRIGGER
LEVEL to adjust the trigger level (please refer to
“
Trigger Level”). The current trigger level is displayed at the upper-right
side of the screen.