Agilent Technologies InfiniiVision 5000 Series User Manual page 307

N O T E
InfiniiVision Oscilloscopes User's Guide
a Press the Settings softkey to access the I
2
2
I C data
I C clock
channel
channel
b Press the SCL softkey, and use the Entry knob to select the channel probing the
clock signal.
c Press the SDA softkey, and use the Entry knob to select the channel probing the
data signal.
3 Set the trigger levels for the SCL and SDA signals to the middle of the signals:
2
• If your I C signals are connected to analog channels, press the SCL softkey and
rotate the Trigger Level knob, then press the SDA softkey and rotate the Trigger
Level knob.
2
• If your I C signals are connected to digital channels, press the [D15-D0] key and
the Thresholds softkey to access the threshold level setting softkeys and set the
thresholds to the approximate middle of the signals.
4 If the decode line does not appear on the display, press the up-arrow softkey to return
to the previous menu, then press the Decode softkey to turn it on.
5 If the oscilloscope is stopped, press the [Run/Stop] key to acquire and decode data.
If the setup does not produce a stable trigger, the I
oscilloscope is AutoTriggering. Press the [Mode/Coupling] key, then press the Mode
softkey to set the trigger mode from Auto to Normal.
You can use the Zoom horizontal sweep mode for easier navigation of the acquired data.
Serial Decode/Lister
2
C Signals Menu.
2
C signal may be slow enough that the
10
Return to
previous menu
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