Ключевые слова: ac, adjust, adjustable, bar, block, calibration, counter, dc, digit, digital, digits, display, electronic, electronics, equipment, fast, fft, fourier, frequency, gain, hertz, input, isolated, kilo, lab, laboratory, lcd, led, measurement, mega, oscilloscope, power, probe, probes, sample, sample rate, samples, scope, signal, sine, technology, test, time, timing, tool, transformation, trigger, voltage, wave, wavelength,