UNI-T UTD2000 Series User Manual page 12

oscilloscope or any power supply line that meets the host country standards. Press the
power switch button on the top of the oscilloscope, The oscilloscope then will show a boot
animation, and it will enter the normal interface afterwards.
Warning: please confirm that the DSO has been safely grounded to avoid
hazard.
(2) DSO accessing to signal
UTD2000 series DSO has two input channels with an additional external trigger input
channel. Please check the signal according to the following steps.
① Connect DSO probe to CH1 input terminal and set the attenuation rate switch on
the probe as 10× (Figure 1-3)
② It is required to set probe attenuation coefficient on DSO.
Attenuation coefficient changes the vertical gear position rate of instrument, thus
making the measurement result correctly reflect the amplitude of measured signals. Probe
attenuation coefficients are set in the following ways: press F4 to make the menu display
10×.
Figure 1-3 Setting of attenuation coefficient on DSO
③ Connect the probe pin and ground clamp to the corresponding terminal of the
probe compensation signal. Press AUTO key. Within several seconds, square wave
display (1kHz, about 3V, peak-to-peak value) is as shown in Figure 1-7. Check CH2 in the
same way; press CH1 function key to close CH1; press CH2 function key to turn on CH2;
repeat step 2 and step 3.
Figure 1-4 Probe Compensation Signal
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UTD2000 Series User Manual