Chapter 5 To Trigger the Oscilloscope RIGOL
DS2000E User’s Guide 5-35
Data Type:
Press Pattern to set the effective pattern of the data signal to H (high level) or L
(low level).
Setup Type:
Press SetupType to select the desired setup type.
Setup: the oscilloscope will trigger only according to the setup time. Press
Setup; use or the inner knob of the navigation knob to adjust the setup
time at a relatively smaller step or turn the outer knob of the navigation knob to
adjust the setup time at a relatively larger step. The adjustable range is from 2
ns to 1 s.
Hold: the oscilloscope will trigger only according to the hold time. Press Hold
and adjust the hold time using
or the navigation knob by referring to the
method mentioned above. The adjustable range is from 2 ns to 1 s.
SetupHold: the oscilloscope will trigger according to both the setup time and
hold time. Press Setup and Hold respectively; adjust the setup time and hold
time using
or the navigation knob by referring to the method mentioned
above. Both the adjustable ranges are from 2 ns to 1 s.
Trigger Mode:
Press Sweep to open the trigger mode list 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 (noise rejection) under this trigger type.
Trigger Level:
Press DataSrc and use TRIGGER LEVEL to modify the trigger level of the data
source channel. Press ClkSrc and use TRIGGER LEVEL to modify the trigger
level of the clock source channel. For the details, please refer to the introduction of
"
Trigger Level".
RS232 Trigger
RS232 bus is a serial communication mode used in the data transmission between
PCs or between PC and terminal. In RS232 serial protocol, a character is transmitted
as a frame of data which consists of 1 bit start bit, 5~8 bits data bits, 1 bit check bit
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