Agilent Technologies DSO-X 4022A, User Manual

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452 Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
27
MIL-STD-1553/ARINC 429 Triggering and Serial Decode
• Sync Error — finds invalid Sync pulses.
• Manchester Error — finds Manchester encoding errors.
For more information on searching data, see "Searching Lister Data" on
page 146.
For more information on using the [Navigate] key and controls, see
"Navigating the Time Base" on page 75.
Setup for ARINC 429 Signals
Setup consists of first connecting the oscilloscope to a ARINC 429 signal
using a differential active probe (the Agilent N2791A is recommended),
then using the Signals Menu to specify the signal source, the high and low
trigger threshold voltage levels, the signal speed, and the signal type.
To set up the oscilloscope to capture ARINC 429 signals:
1
Press
[Label]
to turn on labels.
2
Press
[Serial]
.
3
Press the
Serial
softkey, turn the Entry knob to select the desired slot
(Serial 1 or Serial 2), and press the softkey again to enable decode.
4 Press the Mode softkey; then, select ARINC 429 decode mode.
5 Press the Signals softkey to open the ARINC 429 Signals Menu.
6 Press Source ; then, select the channel for the ARINC 429 signal.
The label for the ARINC 429 source channel is automatically set.
7
Press the
Speed
softkey and specify the speed of the ARINC 429 signal:
•
High
— 100 kb/s.
•
Low
— 12.5 kb/s.
8
Press the
Signal Type
softkey and specify the signal type of the ARINC
429 signal:
• Line A (non-inverted) .