Thread: Somebody clue me in here on the HB777

At the risk of sounding stupid I'm gonna ask anyway. I've noticed on several HB units that they are discribed as "GPS ready." What des that mean & what does it take to make them work as a GPS unit?

Originally Posted by Wiskers

What you're saying is if I install the 777 on the bow and link it to my 797 thru my Interlink it will display my waypoints?

Yes sir. You may have to connect the GPS puck to the GPS port on the Interlink module, but it should work. I have a 777c2 on the bow, but I also have a seprate GPS puck for it and one for the 1197. But I do share the Wheather Sense module between the two. I'm set up pretty much just like J White and it works good.

The following is the set up J White suggested.

J White Quote
"Wantabe, I was sorta confused about all that too, let me just tell you how I've
got mine working, yours should be similar. Wish I cold draw a pic and post it.
Anyway, front unit y cable: nmea-com is hooked to front puck, accy-com is hooked to
20' cable that came with interlink, ran back to unit #2 port on interlink.

back unit y cable: nmea-com hooked to back puck, accy-com is hooked to the weathersense module, cable coming out other end of weathersense is plugged into unit #1 port on interlink.
There is a 10' cable that comes with the i'link I didn't need because the link and weathersense are mounted in a compartment right behind the 797, and the cable on
the weathersense was long enough so I didn't need the extra 10'.

The third port on the interlink is left open, empty.

The weathersense info will show up on the front df now, only catch is the back unit
has to be turned on for this to work. I've found out it's better for me to just leave both
units on the whole trip, I just turn the sonar off on the setup page if I'm gonna be at the
other end of the boat all day... reason for this, the waypoints you store will go to both
units without delay - if one is turned off, the next time you turn it on it will detect new
waypoints and go through the "sync" routine and ask if you want to add it to the other
unit. No big deal, but it takes a minute or two to run through.

If you've got Y cables already on both units, you shouldn't need anything else -
dummy me had lost one of my Y cables somewhere along the line, but
Three Rivers fixed me up with one."

Hope this helps.