Hds 8 and 7 question

Joined
Jan 10, 2012
Location
Robertsville Mo Us
#1
I have a HDS 8 at console and a 7 at the bow and they are linked with ethernet and nmea. My question is can I run SI off the rear transducer and sonar off the trolling motor transducer at the same time on split screen. I hope this makes sense. Oh ya I do have LSS1