User`s guide

Triggering 4
InfiniiVision Oscilloscopes User’s Guide 123
10 Set the trigger levels for the SCLK, WS, and SDATA signals to the middle of the signals:
• If your I
2
S signals are connected to analog channels, press the SCLK softkey and
rotate the Trigger Level knob (not the Entry knob). Repeat for the WS and SDATA
softkeys.
• If your I
2
S signals are connected to digital channels (on MSO model oscilloscopes
only), 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. For details see “To change the logic threshold for digital channels” on
page 380.
11 Press [More]&Settings&Bus Config. The I
2
S Bus Configuration Menu is displayed,
along with a diagram showing WS, SCLK, and SDATA signals for the currently
specified bus configuration.
12 Press the Word Size softkey. Rotate the Entry knob to match the transmitter word size
of the device under test (from 4 to 32 bits).
13 Press the Receiver softkey. Rotate the Entry knob to match the receiver word size of
the device under test (from 4 to 32 bits).