Keysight DSOX3012T, Руководство пользователя

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468 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
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Manchester/NRZ Triggering and Serial Decode
• Falling — specifies that a falling edge is used to encode a bit value of logic
1 (and a rising edge encodes a bit value of logic 0).
c Press the Bit Order softkey and select the bit order, either most significant bit
first ( MSB ) or least significant bit first ( LSB ).
The selected order is used when displaying data in the serial decode
waveform and in the Lister.
This softkey is available when the Word display format is selected in the
Manchester Bus Configuration Menu.
d Press the Idle Bits softkey and enter the minimum idle time/inter-frame gap
time of the Manchester bus in terms of the bit width.
Framing is determined by idle time.
e Use the Decode Base softkey to select between hexadecimal, unsigned
decimal, or ASCII display of the decoded data.
The decode base setting is used for the display of the data field in both the
decode line and in the Lister.
When the Bit display format is selected in the Manchester Bus Configuration
Menu, this softkey is unavailable and the decode base is forced to Binary.
f Press the Back/Up key to return to the Serial Decode Menu.
Manchester Triggering
To set up the oscilloscope to capture a Manchester signal, see “Setup for
Manchester Signals" on page 465.
To set up a Manchester trigger:
1 Press [Trigger] .
2 In the Trigger Menu, press the Trigger Type softkey; then, select the Manchester
decode (Serial 1 or Serial 2).
3 Press the Trigger softkey; then, select the trigger condition:
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