Agilent Technologies 6000 Series - page 278

278 6000 Series Oscilloscope User’s Guide
6 Displaying Data
bPress the Clock softkey, and use the Entry knob to select
the channel probing the clock signal.
cPress the rising or falling edge softkey to specify the edge
that the clock occurs on.
dPress the Data softkey, and use the Entry knob to select the
channel probing the data signal.
eRepeatedly press and release the Frame by softkey to select
the method used to identify frames:
•~CS - Not Chip Select — an active low chip select signal.
•CS - Chip Select — an active high chip select signal.
•Clock Timeout — clock idle for a period of time.
fIf you chose framing by chip select or not chip select, press
the CS or ~CS softkey, and use the Entry knob to select the
channel probing the chip select signal.
If you chose framing by clock timeout, press the Timeout
softkey, and use the Entry knob to specify the idle time.
3For the SPI signals, make sure the trigger or threshold levels
are set to the middle of the signals:
•For analog channels, turn the Trigger Level knob.
•For digital channels, press the D15 Thru D0 key and the
Thresholds softkey to access the threshold level setting
softkeys.
4Press the up-arrow softkey to return to the previous menu.
Press the Word Size softkey, and use the Entry knob to select
the number of bits in a word.
5If the decode line does not appear on the display, press the
Decode softkey to turn it on.
6If the oscilloscope is stopped, press the Run/Stop key to
acquire and decode data.
NOTE If the setup does not produce a stable trigger, the CAN signal may be slow
enough that the oscilloscope is AutoTriggering. Press the Mode/Coupling
key, then press the Mode softkey to set the trigger mode from Auto to
Normal.