Keysight DSOX3012T, Руководство пользователя

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Manchester/NRZ Triggering and Serial Decode
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Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide 467
In Word format, you can select between hexadecimal, unsigned decimal,
and ASCII decode bases. The base setting is used for both the Lister and
the decode line and applies to the data field only. The header and trailer
fields are always displayed in hex.
• Bit — displays the entire content of the frame as a string of bits.
In Bit format, the entire frame is always displayed in binary.
6 If the Word display format is selected:
a Press the Sync Size softkey and enter the sync field size, from 0 to 255 bits.
b Press the Header Size softkey and enter the header size, from 0 to 32 bits.
c Press the # of Words softkey and enter the number of words in the data field,
from 1 to 255.
When the Trailer Size is set to 0, the <auto> option becomes available. In
<auto> mode, any number of words can be supported.
d Press the Data Word Size softkey and enter the data word size, from 2 to 32
bits.
e Press the Trailer Size softkey and enter the trailer size, from 0 to 32 bits.
7 If the Bits display format is selected:
a Press the Sync Size softkey and enter the sync field size, from 0 to 255 bits.
8 Press the Back/Up key to return to the Serial Decode Menu.
9 Press the Settings softkey to open the Manchester Settings Menu.
In the Manchester Settings Menu:
a Press the Start Edge # softkey and enter the starting edge of the Manchester
signal, from 1 to 256.
b Press the Polarity softkey and select the Manchester signal's logic type:
• Rising — specifies that a rising edge is used to encode a bit value of logic
1 (and a falling edge encodes a bit value of logic 0).
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