3. Repeat the steps mentioned if necessary.
Fig. 9 Adjust Probe
6. How to Set the Probe Attenuation Coefficient
The probe has several attenuation coefficients, which will influence the vertical scale factor of the oscilloscope.
To change or check the probe attenuation coefficient in the menu of oscilloscope:
1.
Press the function menu button of the used channels (CH1 MENU or CH2 MENU).
2.
3.
Press H3 button to display the Probe menu; select the proper value corresponding to the probe.
This setting will be valid all the time before it is changed again.
Note: The attenuation coefficient of the probe in the menu is preset to 10X when the oscilloscope
is delivered from the factory. Make sure that the set value of the attenuation switch in the
probe is the same as the menu selection of the probe attenuation coefficient in the
oscilloscope.
The set values of the probe switch are 1X and 10X (see Fig. 10).
Fig. 10 Attenuation Switch
Note: When the attenuation switch is set to 1X, the probe will limit the bandwidth of the
oscilloscope in 5MHz. If it is needed to use the full bandwidth of the oscilloscope, the switch
must be set to 10X.
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