User Manual
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Coupling as DC. Both DC and AC components of
the signal are passed.
(3) In the right menu, select Coupling as AC. The direct current component of
the signal is blocked.
2. To invert a waveform
Waveform inverted: the displayed signal is turned 180 degrees against the phase
of the earth potential.
Taking the Channel 1 for example, the operation steps are shown as follows:
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Inverted as ON, the waveform is inverted. Push
again to switch to OFF, the waveform goes back to its original one.
3. To adjust the probe attenuation
For correct measurements, the attenuation coefficient settings in the operating
menu of the Channel should always match what is on the probe (see "How to Set
the Probe Attenuation Coefficient" on P11). If the attenuation coefficient of the
probe is 1:1, the menu setting of the input channel should be set to1X.
Take the Channel 1 as an example, the attenuation coefficient of the probe is 10:1,
the operation steps are shown as follows:
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Probe. In the left menu, turn the M rotary control to
set it as 10X.
4. To measure current by probing the voltage drop across a resistor
Take the Channel 1 as an example, if you are measuring current by probing the
voltage drop across a 1Ω resistor, the operation steps are shown as follows:
(1) Push the CH1 button to show CH1 SETUP menu.
(2) In the right menu, set MeasCurr as Yes, the A/V radio menu will appear
below. Select it; turn the M rotary control to set the Amps/Volts ratio.
Amps/Volts ratio = 1/Resistor value. Here the A/V radio should be set to 1.
Use Mathematical Manipulation Function
The Mathematical Manipulation function is used to show the results of the addition,
multiplication, division and subtraction operations between two channels, or the FFT
operation for a channel. Press the Math button to display the menu on the right.
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