RIGOL Chapter 7 Protocol Decoding
7-4 DS4000E User’s Guide
channel currently selected to TTL, CMOS and ECL levels.
Press Threshold and turn the multi-function knob to adjust the
threshold (the default is 0 V) of the channel currently selected.
Pressing the multi-function knob
can qucikly reset the threshold of
the channel to 0 V.
Note: The adjustable range of the threshold is related to the current
vertical scale and vertical position of the channel. The setting method has
no effect on the threshold range. The adjustable range is from -4*Vertical
Scale - Vertical Position to 4*Vertical Scale - Vertical Position.When the
threshold selected exceeds the adjustable range, it will be automatically
limited within the adjustable range.
When modifying the threshold, a dotted line (in the same color as the
channel) showing the current threshold level will be displayed on the screen.
It will disappear in about 2 s after you stop modifying the threshold.
5. Specify the display format
Press Format and turn the multi-function knob to set the display format of
the bus data to Hex, Decimal, Binary or ASCII. You can also press Format
continuously to switch the current display format.
Note: When the event table is turned on, the decoding data in the event table
will also be displayed in the format selected here.
6. Adjust the vertical offset
Press Offset and turn the multi-function knob to adjust the vertical position
of the bus. Pressing the knob can quickly reset the vertical offset (zero).
7. View the event table
The event table displays the detailed information of the decoding in table form
to view relatively longer decoded data.
Note: You can only view the event table and export the decoded data when the
display of the corresponding bus is turned on.
When BusStatus is set to “ON”, press Event Table to enter the event table
submenu. In this submenu, you can perform the following operations.
1) Press Event Table to turn on or off the event table. When the event table
is turned on, the interface is as shown in
Figure 7-2.
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