Acquire the Sign
al
3. Push either Pol
arity Normal or Polarity
Inverted on the size menu to match the
bus being acquired.
4. Push Thresholds to set the Channel
Thresholds or choose a Preset value.
Turn multipu
rpose knob a to set the high
threshold level. Turn multipurpose knob b
to set the low threshold level.
Thresh-
olds
752mV
22.0mV
5. Push RT to se
ttheResponse Time.Turn
multipurpose knob a to set the maximum
level. Turn multipurpose knob b to set the
minimum le
vel.
RT
12.0μs
4.00μs
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 menu choices.
Bus
CAN
Define
Inputs
Thresholds Bit Rate
500 Kbps
B1 Label
CAN
Bus
Display
Event
Table
2. Turn multipurpose knob a to select the
channel connected to the CAN bus source.
CAN Input
(a) 1
3. Turn multipurpose knob a to select the typ e
of CAN signal: CAN_H, CAN_L, Rx, Tx, or
Differential.
Signal
Type
CAN_H
4. Turn multipurpose knob a to set the Sample
Point from 5% to 95% of the position within
the bit period or the unit interval.
Sample
Point
50%
MSO3000 and DPO 3000 Series Oscilloscopes User Manual 61
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