precautions while using cathode ray oscilloscope

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Checking that the cro is triggered correctly

Precautions while using Cathode Ray Oscilloscope

The cathode-ray oscilloscope (CRO) is a common laboratory instrument that provides accurate time.
Checking that the cro is triggered correctly

Before any measurements can be made we must ensure that the CRO is correctly triggered. The best way to do this is to follow the steps listed below. First check that the Trigger Level Control is set in the AUTO position. This is done by pulling the knob towards you.Now we put the Slope Control to the Positive selection.Ensure that the Sync Selector is in the A.C. position.Finally make sure that unless otherwise advised, leave the Source Selector in the INT position.


Connecting the cro to the circuit
Objective
Two channel operation
Delayed sweep
Ensuring the cro is calibrated correctly
Features and controls
Function generator
measurement of frequency
Familiarisation with the main oscilloscope controls
Phase measurement using lissajous patterns
Multimeter
How do you use an oscilloscope
More ...

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