I have a Helix 9 mega si di gps g2n on the console. I would like to add a graph on the bow. I have a Terrova minn kota with the xdcr (not the mega just the gs2) integrated trolling motor. My question is do I need to purchase another Helix mega for the bow or can I just purchase a network capable Helix Bird to be able to get the side/di imaging from the Helix 9? I dont want to go too expensive. I have some built up gift cards to use. Thanks in advance for your thoughts and wisdom.

Riverhunt