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15-16
IM 701210-06E
15.6 Using the Knocking Filter (DSP Channels)
<For a description of this function, refer to page 2-50.>
Procedure
MEASURE CURSOR
RESET
SELECT
CH
ALL CH
MODE
POSITION
SIMPLE/ENHANCED
ACQ
START/STOP
SETUP
DISPLAY
ZOOM
DUAL
CAPTURE
HISTORY
MATH
1
CH
2
CH
3
CH
4
CH
5
CH
6
CH
7
CH
8
CH
9
CH
10
CH
11
CH
12
CH
13
CH
14
CH
15
CH
16
DELAY
MANUAL TRIG
V/DIV
TIME/DIV
TRIGGER
TRIG D
VERTICAL
HORIZONTAL
CAL
X-Y
SEARCH
7
DSP 1
8
9
DSP 2
6
5
4
1
0
2
3
ENTER
m
DSP 6
DSP 5
LOGIC A
LOGIC B
EVENT
DSP 3
DSP 4
EXP
GO/NO-GO
ACTION
FILE
SHIFT
1.
Press
SHIFT+CH1 to CH6
(DSP1 to DSP6).
Note
For a description of turning ON/OFF the DSP, see section 5.1. For a description of setting
the vertical position, see section 5.4. For a description of zooming vertically by setting the
zoom rate, see section 5.8. For a description of setting waveform labels, see section 8.10.
Setting the Computation Definition
2.
Press the
Setup
soft key. A setup dialog box opens.
3.
Use the
jog shuttle
and
SELECT
to set Operation to KnockFlt(S1).
Selecting the Channel on Which to Perform Computation
4.
Use the
jog shuttle
and
SELECT
to select Source1.
Setting the Filter
5.
Use the
jog shuttle
and
SELECT
to set the Filter Type to Sharp, IIR, or Diff.
• When Sharp or IIR Is Selected
6.
Use the
jog shuttle
and
SELECT
to set the Filter Band to High-Pass or Band-
Pass.
7.
If you selected High-Pass in step 6, use the
jog shuttle
and
SELECT
to set
CutOff. If you selected Band-Pass, use the
jog shuttle
and
SELECT
to set
PassBand and Center Frequency. Proceed to step 8.
• When Diff Is Selected
6.
Use the
jog shuttle
and
SELECT
to set Filter to ON or OFF.
7.
Use the
jog shuttle
and
SELECT
to set CutOff. Proceed to step 8.
If Filter Band is set to
Band-Pass, PassBand
and Center Frequency
appear in place of the
CutOff item.
When Sharp or IIR
is selected
When Diff is selected
Note
Set the cutoff frequency based on the current sampling frequency (fs) (100 kS/s maximum).
If set above 100 kS/s, it is limited to 100 kS/s. The sampling frequency is also limited to 100
kS/s for envelope mode.