User manual

Acquire the Sign
al
2. Push Bit Rate,
and turn Multipurpose 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 a to
match the polarity used by the bus as None,
Odd, or Even.
Parity
(a) None
5. Push Packets and select O n or Off.
Packets
On |
Off
6. Turn Multip
urpose 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.
CAN Bus
To acquire data from a CAN bus, y ou need to also set up these items:
1. If you selected CAN, push Define Inputs
and the appropriate side menu choices.
Bus B1
CAN
Define
Inputs
Thresholds Bit Rate
500 Kbps
B1 Label
CAN
Bus
Display
Event
Table
74 MDO3000 Series Oscilloscopes User Manual