How do you find a needle in a haystack? Or in other words: How do you measure small signals in the presence of larger ones? It can be daunting if not impossible and it all depends on the vertical resolution of your oscilloscope. The New HD option oscilloscopes, you can now see vertical resolution of up to 16Bit – a 256-fold improvement over 8-bit resolution. Waveforms are sharper and show signal details that would otherwise be masked by noise, for even more precise analysis results.