User manual

Chapter 5 To Trigger the Oscilloscope RIGOL
MSO2000A/DS2000A User’s Guide 5-9
Edge Trigger
Trigger on the trigger threshold of the specified edge of the input signal.
Trigger Type:
Press Type, rotate to select “Edge” and press down . At this point, the trigger
setting information is displayed at the upper right corner of the screen. For example,
. The trigger type is edge trigger; the trigger source is CH1; the trigger
level is 170 mV.
Source Selection:
Press Source and select CH1, CH2, EXT, AC Line 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.
Note: Select channel with signal input as trigger source to obtain stable trigger.
Edge Type:
Press Slope to select the kind of edge of the input signal on which the oscilloscope
triggers. The current edge type is displayed at the upper right corner of the screen.
 : trigger on the rising edge of the input signal when the voltage level meets
the preset trigger level.

: trigger on the falling edge of the input signal when the voltage level meets
the preset trigger level.

: trigger on the rising or falling edge of the input signal when the voltage
level meets the preset trigger level.
Trigger Mode:
Press Sweep and select “Auto”, “Normal” or “Single”. For the details, please refer to
“
Trigger Mode”. The corresponding status light of the current trigger mode turns
on.
Trigger Setting:
Press Setting to set the trigger parameters (trigger coupling, trigger holdoff and
noise rejection) under this trigger type.
Note: Trigger coupling is only available when the trigger source is CH1 or CH2.
When the trigger source is any of D0 to D15, Noise Reject is grayed out and
disabled.