RIGOL MSO/DS2000A Series - Manual (Page 181)

Chapter 8 Protocol Decoding RIGOL
MSO2000A/DS2000A User’s Guide 8-3
default is 0 and the range available is from 0 to (the bus bits-1). For example,
when the bus bits is 18, the range available is 0, 1…17.
Next, press Channel to specify a channel source for the bit currently
selected in CurrentBit. The channel source can be CH1, CH2 or any
channel of D0-D15.
3. Analog Channel Threshold Setting
Press Threshold to turn the threshold setting menu on.
Channel Select the channel (CH1 or CH2) that needs to set a threshold.
TTL Press this softkey to set the threshold of the specified channel
to TTL level immediately.
CMOS Press this softkey to set the threshold of the specified channel
to CMOS level immediately.
ECL Press this softkey to set the threshold of the specified channel
to ECL level immediately.
Threshold Press this softkey and use to set the threshold. The range
is from (-5 * vertical scale - vertical position) to (5 * vertical
scale - vertical position). The default is 0 V.
Note: When the threshold selected is beyond the specified range, it will be
automatically limited within the range.
4. Display-related Setting
Press Format to set the display format of the bus to Hex, Decimal, Binary or
ASCII.
Press Offset and use to adjust the vertical display position of the bus.
Press BusStatus to turn the bus display on or off.
5. Event Table
The event table displays the decoded data and the corresponding line number
and time in table format. It can be used to observe relatively longer decoded
data. Press Event Table  Event Table to select “ON” (This operation is only
available when BusStatus is set to “ON”) to enter the event table interface as
shown in the figure below.