Acquire the Sign
al
2. Push Bit Rate,
and turn multipurpose knob a
to select the appropriate bit r ate.
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 s elect 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.
CAN Bus
To acquire data from a CAN bus, you need to also set up these items:
1. If you selected CAN, push Define Inputs and
the appropriate side-bezel menu choices.
Bus B1
CAN
Define
Inputs
Thresholds Bit Rate
500 Kb
ps
B1 Label
CAN
Bus
Display
Event
Table
MDO4000 Series Oscilloscopes User Manual 67