is there an advantage of running a map card in each unit HDS set-up

[twitch]

I'm running a 8" HDS up front Gen 2 and a 10" Gen 2 on the console with structure scan box and LSS2 and Point one is there any advantage of running a map card in both units or is one sufficient???

[bloodman]

Only if you put one on standby, or need a card slot open for recording. I usually have a variety of map cards plus recording cards in mine.

[twitch]

What do you mean if I put one on standby , I usually put my console unit on stand by when I move to the front deck ,what difference will that make or not make???

[NoCAL]

Maps continue to share even on StandBy. I have a C-Map in one unit and Navionics in the other. I did go a long time with just one in the console unit. Can't see an advantage either way if you already own the map chips. Otherwise, 1 is more economical.

NoCAL