Automation is useless without accurate data. Look for sections detailing:

Her Geiger counter was silent. That made her more nervous than a click.

Unlike a standard user manual that focuses on a single software or machine, an automation handbook is holistic. It covers:

She had a lot of reading left to do.

Then the patrol stopped. All at once, like a single thought interrupted. Their optical sensors dimmed. One by one, they folded into idle positions—kneeling, as if in prayer.

It was a handbook .