User Manual

3.5 Selecting Channels
70
Operating Key Procedure
6
Set low-pass filtering (as occasion demands).
CURSOR
Move the cursor to the [LPF] item.
F1 to F8
Set the low-pass filter in the input module.
7
Select the probe attenuation.
CURSOR
Move the cursor to the [Probe] item.
F1 to F8
Select according to the connection cables being
used.
8
Set the anti-aliasing filter.
CURSOR
Move the cursor to the [AAF] item.
F1 to F8
Select either choice.
9
Perform zero adjustment (after warm-up).
CURSOR
Move the cursor to the [Zero-Adjust] button.
F1
Select [Execute].
When executed, all channels are zero adjusted.
(Except in the Model 8958 16-Ch Scanner Unit)
10
Perform Offset Cancel (as occasion demands).
CURSOR
Move the cursor to the [Offset Cancel] button.
F1
Select [Execute].
When executed, only the selected channel is cor-
rected.
(For Model 8957) OFF, 5Hz, 50Hz, 500Hz, 5kHz,
50Hz
1:1
Select when measuring using Model 9197,
9198 or 9217 Connection Cords.
10:1
Select when measuring using the Mode
l
9665 10:1 Probe.
100:1
Select when measuring using the Mode
l
9666 100:1 Probe.
1000:1
Select when measuring using the Mode
l
9322 Differential Probe.
Off
The anti-aliasing filter is disabled.
(default setting)
On
The anti-aliasing filter is enabled. (When the
external sampling is used, the anti-aliasing fil
-
ter (AAF) is not available.)
6
About low-pass filtering
See "3.10.3 Low-Pass Filter (LPF) Set-
tings" in the Input Module Guide
About probe attenuation
Matching the probe attenuation setting to
that of the input channel’s probe enables
automatic conversion of voltage axis
range measurements for direct reading o
f
numerical values.
See "3.10.15 Probe Attenuation Selec-
tion" in the Input Module Guide
Anti-Aliasing Filter
Enable to prevent aliasing distortion.
See "Anti-Aliasing Filters" (
⇒ p. 107)
About zero adjustment
Adjusts the zero position of an input mod
-
ule. Warm-up time depends on the type o
f
input module.
See "3.10.17 Executing Zero Adjust-
ment" in the Input Module Guide
About offset canceling
Executing Offset Cancel when using a
sensor corrects for external signal bias.
See "3.10.18 Executing Offset Cancel-
lation" in the Input Module Guide
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9
7
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