waterbox build

So Im finally starting my first saltwater tank. I've had multiple fresh water tanks throughout the years, got really into high tech setups recently, heavily planted, co2 the whole nine yards. Now I'm moving on the next step in the progression - Reef Keeping... I've been doing loads of...

So the time is due to come. Turing on the lights, looking to put in some corals in the next few days however I'm in urgent need to know what works best for a lighting schedule. I have the Radion xr15 g5 pro light. 1. What setting is best to begin with? 2. What point intensity should I have...