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Chapter 12 Protocol Decoding RIGOL
MSO8000 User's Guide 12-23
LI N Decoding ( Option)
The oscilloscope samples the LIN signal, and judges each data point to be logic "1"
or logic "0" according to the preset threshold level. The LIN decoding is required to
specify the LIN signal protocol version.
I n the decode setting menu, press Decode1 Bus Type, then rotate the
multifunction knob
to select "LIN". Press down the knob to select it. You can
also press Bus Type continuously or enable the touch screen to select it.
1. Enable or disable the bus
Press Bus Status continuously to enable or disable the decoding function.
2. Quickly apply LI N trigger settings to LI N decoding
Press Copy Trig to copy the LIN trigger settings and apply them to LI N
decoding function (set the corresponding LI N decoding parameters
automatically). For analog channels, the threshold level settings will also be
copied.
3. Set the source and the threshold
Press Source and rotate the multifunction knob to select the desired
source channel, and then press down the knob to select it. You can also
press Source continuously or enable the touch screen to select it. The
available channels include CH1-CH4 and D0-D15.
When you select the analog channel (CH1-CH4), press Threshold, then
rotate the multifunction knob
or use the pop-up numeric keypad to set
the threshold of the source channel. When you modify the threshold of the
clock channel, a dotted line displaying the current threshold level is
displayed on the screen. The dotted line disappears in about 2 s after you
stop modifying the threshold.
4. Signal setting
Press Settings to enter the signal setting menu.
Set baud rate
Three setting methods are available for baud rate:
Press Baud Rate, then set the user-def ined baud rate with the
displayed numeric keypad.
Press Baud Rate, then select the preset baud rate from the available
options. The available baud rates include 2.4 kbps, 4.8 kbps, 9.6 kbps,
19.2 kbps, and etc.
Press Baud Rate, then rotate the multifunction knob to adjust the
baud rate at a small step of 1 bps.
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