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UTD2000M User Manual
Warning:
To avoid electrical shock when probes are used in measuring high voltage, please ensure that their
insulated wire is in good condition and do not touch any metal part of them when they are connected to
high voltage source.
Remark: When the "attenuation" switch of the probe is turned to 1×, the bandwidth of this instrument will
be limited by the probe to 6MHz. In order to use its full bandwidth, please ensure that the switch has
been turned to 10×.
1.5 Run Auto Calibration Program
Running auto calibration program can realize the best accuracy of instrument. You can run this operation at
any time. But it is a must whenever the changes in ambient temperature reaches 5℃ or more.
To run auto calibration program, please follow the following steps.
1. Disconnect all probes or power cables from the channel's input connector;
2. Press UTILITY key;
3. Press F1 key to select "system configuration" displayed at the right of the displayer;
4. Press F1 key to select "auto calibration program";
5. Press multi‐function knob to confirm the execution of auto calibration program, and it may take several
minutes to complete this process.
1.6 Auto Setup for Waveform Display
This instrument has auto setup function that can auto adjust the vertical scale coefficient, time base and
trigger mode in accordance with the input signal until the most appropriate waveform has been displayed. It
requires the frequency of the signal under test to be no less than 40Hz and the duty ratio to be more than 1%.
Auto setup steps:
1. Connect the signal under test to signal input channel;
2. Press AUTO key so that it will auto adjust the vertical scale coefficient, time base and trigger mode. In case you
need to have clearer observation, when auto setup completes, please perform manual adjustment until you get
the best waveform displaying effect that you want.
1.7 Set Time and Date
To set time and date, please follow the following steps:
1. Press UTILITY key;
2. Press F1 to enter into "System Configuration".
3. While in "System Configuration", press F4 to select "time setup". Then use menu keys located to the right ride
of the displayer and multi‐function knob to set time and date.
4. Press "Confirmation" to save the set time and date when setup completes.
1.8 Preliminary Understanding of Vertical System
As shown below, there are a number of keys and knobs located within the vertical control area. The following
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