FWIW: Here is how I use my dual display Skyview with EMS, ARINC-429 and ADSB.
1 - Set up the Pilot display with PFD and Map page (50/50)
2 - Set up the Co-Pilot display with PFD and EMS page (50/50)
Before engine start, press the SWAP button so the Pilot display has PFD and EMS pages (50/50) while Co-Pilot display has PFD and MAP (50/50). Now the needed information for engine start, taxi, engine run up and takeoff is displayed in front of the pilot. At this point the Pilot really needs EMS page information and doesn't really need MAP page information.
After takeoff just hit the SWAP button and now it looks like the EMS page was replaced by the MAP page for the Pilot while the MAP page was replaced with the EMS page for the Co-Pilot. Both displays keep the PFD in the same location and it looks like it never moved.
Whenever you want to look at an engine parameter in flight, just hit the SWAP button and the EMS page replaces the MAP page without affecting the PFD page. Hit the SWAP button again and the MAP page replaces the EMS page again without affecting the PFD page.
After landing, press the SWAP button so the Pilot display has PFD and EMS pages (50/50) while Co-Pilot display has PFD and MAP (50/50). Now the needed information for taxi and engine shut down is displayed in front of the pilot. At this point the Pilot doesn't really need MAP page information anymore and has good engine shutdown information in front of him from the EMS page.
It works really well for me.
1 - Set up the Pilot display with PFD and Map page (50/50)
2 - Set up the Co-Pilot display with PFD and EMS page (50/50)
Before engine start, press the SWAP button so the Pilot display has PFD and EMS pages (50/50) while Co-Pilot display has PFD and MAP (50/50). Now the needed information for engine start, taxi, engine run up and takeoff is displayed in front of the pilot. At this point the Pilot really needs EMS page information and doesn't really need MAP page information.
After takeoff just hit the SWAP button and now it looks like the EMS page was replaced by the MAP page for the Pilot while the MAP page was replaced with the EMS page for the Co-Pilot. Both displays keep the PFD in the same location and it looks like it never moved.
Whenever you want to look at an engine parameter in flight, just hit the SWAP button and the EMS page replaces the MAP page without affecting the PFD page. Hit the SWAP button again and the MAP page replaces the EMS page again without affecting the PFD page.
After landing, press the SWAP button so the Pilot display has PFD and EMS pages (50/50) while Co-Pilot display has PFD and MAP (50/50). Now the needed information for taxi and engine shut down is displayed in front of the pilot. At this point the Pilot doesn't really need MAP page information anymore and has good engine shutdown information in front of him from the EMS page.
It works really well for me.