MIL-STD 1553 Triggering and Serial Decode 14
InfiniiVision 7000B Series Oscilloscopes User’s Guide 325
Setup for MIL-STD 1553 Signals
To set up the oscilloscope for MIL- STD 1553 signals, these sofkeys appear
in both the Trigger Menu and the Serial Decode Menu:
• Upper Ch — selects the channel used for the upper threshold. Because
defined pairs of channels are used for upper and lower thresholds
(either channels 1 and 2, or channels 3 and 4), this softkey also selects
the channel for the lower threshhold.
• Lower Ch — shows the channel selected for lower thresholds.
• Auto Setup — performs these actions:
• Copies the Upper Threshold Channel position and volts/div settings
to the Lower Threshold Channel.
• Sets both the Upper Threshold Channel and the Lower Threshold
Channel probe attenuation to 10:1.
• Sets the Upper Threshold Channel trigger level to 500 mV and the
Lower Threshold Channel trigger level to - 500 mV.
• Turns off trigger noise reject.
• Turns on Serial Decode.
• Sets the trigger type to MIL- 1553.
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