Which instrument is used to visualize the shape of a video pulse at a designated test point?

An oscilloscope is the instrument used to visualize the shape of a video pulse at a designated test point. This device effectively displays voltage waveforms over time, allowing technicians to observe various signal parameters such as amplitude, frequency, and duration. When analyzing video signals, it’s crucial to see the waveform to diagnose issues like distortion, synchronization problems, or artifacting, which are fundamental in video electronics.

While other instruments have their specific functions—such as logic analyzers, which are excellent for digital signal analysis and debugging digital circuits, signal generators that create specific waveforms for testing, and multimeters that measure voltage, current, and resistance—they do not provide the comprehensive visual representation of waveforms like an oscilloscope does. This capability makes oscilloscopes essential for observing and troubleshooting video pulses in electronic systems effectively.