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3. Using the Products
■ Setting the jumper plug to switch the C terminal
The jumper plug for switching the C terminal on the probe header is used to switch the C terminal
capacitive-termination.
A 0.1 µF capacitor is mounted on the probe header to perform C terminal capacitive-termination.
Depending on the operating environment, change the setting of the jumper plug to select whether C
terminal capacitive-termination is performed on a user system or on the probe header.
When the product is delivered, side PT (C terminal capacitive-termination is done on the user
system) is connected with the jumper plug. To switch to the capacitor on the probe header, connect
side C with the jumper plug.
PT
S1
C
S1
PT C
CN737
CN838
47
48
A
CN1
24
23
CN4
14
CN3
13
36
CN6
26
CN5
25
C
S1
PT
CN2
C2
C terminal capacitive-
termination is performed
on the probe header.
C terminal capacitive-
termination is performed
on a user system.
Figure 3-1 Setting the jumper plug to switch the C terminal
WARNING
Electric shock
To prevent an electric shock when setting the jumper plug, turn off the product and any
connected devices and unplug the power cable from the outlet before setting the jumper
plug.