1-9
IM 701450-51E
I
2
C Bus Signal Analysis Function
1
Note
If you set Combination to I
2
C -> Pattern and set the patterns of CH3 to CH8 (CH3 and CH4
on the DL7440) to all Xs, triggers will not be activated. If the clock channel is set to any of the
channels from CH3 to CH8 (CH3 and CH4 on the DL7440), the pattern conditions of other
channels are always set to true.
Setting the Trigger Level, Trigger Coupling, Etc.
29.
Press the Level/Coupling soft key. The Level/Coupling dialog box opens.
30.
Set the trigger level, trigger hysteresis, trigger coupling, and HF rejection of
each channel. For the setup procedure, see steps 9 to 14 on page 6-16 in the
DL7440/DL7480 User’s Manual (IM701450-01E).
31.
Press ESC. The Level/Coupling dialog box closes.
Setting the Trigger Mode
32.
Set the trigger mode according to the procedures given in section 6.1, “Setting
the Trigger Mode” in the
DL7440/DL7480 User’s Manual (IM701450-01E).
Setting the Record Length
33.
Set the record length according to the procedures given in section 7.2, “Setting
the Record Length” in the
DL7440/DL7480 User’s Manual (IM701450-01E).
Starting/Stopping the I
2
C Bus Signal Acquisition
34.
Press START/STOP to start the I
2
C Bus signal acquisition. Triggers are
activated on the specified trigger conditions.
To proceed to the analysis, press START/STOP to stop the I
2
C Bus signal
acquisition.
1.4 Setting the I
2
C Bus Signal Acquisition Conditions