Chapter 7 Logic Analyzer RIGOL
MSO4000/DS4000 User’s Guide 7-7
reset the threshold level of channels D15 to D8 to 0 V). The adjustable
range is from -20.0 V to +20.0 V.
Note: The threshold levels of channels D7 to D0 and channels D15 to D8 are
independent. The current threshold levels are displayed in D7-D0 and D15-D8
respectively.
In addition, when the trigger source is set to a digital channel (D0 to D15), adjusting
the trigger threshold level (turn TRIGGER
LEVEL) will modify the
corresponding threshold level setting here at the same time.
To Use the Digital Bus
MSO4000/DS4000 provides two digital buses (BUS1 and BUS2). You can display the
channel group D7 to D0, D15 to D8 or D15 to D0 as a bus. The bus data will be
displayed at the bottom of the screen in data or graph mode. BUS1 and BUS2 can be
turned on at the same time.
Press LA Bus to enter the digital bus setting menu. As the setting methods of
BUS1 and BUS2 are the same, BUS1 is taken as an example to illustrate the setting
method.
In the digital bus setting menu,
1. Select BUS1
Press Bus to select “BUS1”.
2. Turn BUS1 on or off
Press BusStatus to turn BUS1 on or off. When BUS1 is turned on, the bus data
will be displayed at the bottom of the screen according to the current setting.
3. Specify the digital channel corresponding to BUS1
Press Sel CH; turn the multi-function knob to select the desired digital
channel and press the knob. You can also press Sel CH continuously to switch
the digital channel currently selected. D7 to D0, D15 to D8 and D15 to D0 can be
selected.
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