How to use "digital" in a sentence

The radio's digital display began to change, the orange numbers escalating across the frequency band, sweeping through one station after another

The indicator reached the end of the bandwidth, and the digital display began to sequence backward.

The digital display began to sequence up the band once more, and scraps of music blasted from the speakers.

Then the shrill noise abruptly stopped, and the digital display flashed with rapidly changing numbers

The digital station indicator began to sweep across the frequencies