Dusk To Dawn Wiring Diagram - 1. Check the Complaint : Operate the problem circuit yourself (or watch the customer operate it) to be sure you understand what's wrong. Don't waste time fixing part of the problem! 2. Read the Wiring Diagram : Study the diagram to understand how the circuit is supposed to work. Read the detailed description added in complex diagrams.. Since 2016, a “1-inch Type” sensor size now optimizes the portability of serious travel cameras (recommended here).In comparison, cameras using larger APS-C sensors require heftier 11x to 19x travel zoom lenses which struggle to sharpen the edges of the frame..