Acquire the Sign
al
2. Push Bit Rate,
and turn multipurpose knob a
to select the appropriate bit rate.
Bit Rate
9600 bps
3. Push Data Bits
and select the number to
match the bus.
Data Bits
7|
8
4. Push Parity a
nd turn multipurpose knob a to
match the polarity used by the bus as None,
Odd, or Even.
Parity
(a) None
5. Push Packets and select On or O ff.
Packets
On|
Off
6. Turn multip
urpose knob a to select an
end-of-packet character.
End of
Packet
0A
(Linefeed)
RS-232 decoding displays a stream of bytes.
You can organize the stream into packets
with an end
-of-packet character
If you defin
ed an end-of-packet character
to use for RS-232 decoding, the stream of
bytes will be displayed as packets.
When decoding an RS-232 bus in ASCII
mode, a l
arge dot indicates that the value
represents a character outside the printable
ASCII range.
MIL-ST
D-1553 Bus
To acquire data from a MIL-STD-1553 bus, you need to also set up these items:
1. If you selected MIL-STD-1553, push
Define Inputs and the appropriate side
menu choices.
Bus
MIL-STD-
1553
Define Inputs
Thresholds
786mV
22.00 V
RT
13.3 μs
4.00 μs
B1 Label
1553
Bus
Display
Event
Table
2. Turn multipurpose knob a to select the
channel connected to the MIL-STD-1553
bus source.
MIL-STD-
1553 Input
(a) 1
60 MSO3000 and DP O3000 Series Oscilloscopes User Manual
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