Humminbird Side Imaging Forums

Side Imaging Forums => 798c SI => Topic started by: stuart on May 17, 2010, 07:04:00 PM

Title: external gps
Post by: stuart on May 17, 2010, 07:04:00 PM

can i put an external gps puck on my 798ci SI and if so which one?Thank You.

Title: Re: external gps
Post by: RGecy on May 17, 2010, 11:16:22 PM

You can use the GR16 or the GR50.  The GR50 is certainly the recommended reciever for its higher accuracy and faster startup time.

Robert

Title: Re: external gps
Post by: majflyboy on May 17, 2010, 11:58:22 PM

Does that mean that the 798 does not have built-in GPS or that external GPS is better??

Title: Re: external gps
Post by: Humminbird_Greg on May 18, 2010, 12:03:02 PM

Stuart’s 798ci Si unit does have an internal GPS Receiver because it was built that way (that is what the extra “i” in the model number means).  We also build the 798c Si that does not have an internal GPS Receiver.

I think that the external is better as it can be mounted closer to the transducer (for console mounted units) which helps maintain the accuracy of the GPS coordinates when you mark some structure using the unit’s sonar.

Title: Re: external gps
Post by: stuart on May 24, 2010, 07:55:52 AM

I used the external gps and it worked great,but i just got a new boat,(stratos 285) and i want to flush mount the 798 in the console.robert & greg thank you for your help

Title: Re: external gps
Post by: zebu on May 26, 2010, 01:09:36 PM

Quote from: RGecy on May 17, 2010, 11:16:22 PM

You can use the GR16 or the GR50.  The GR50 is certainly the recommended reciever for its higher accuracy and faster startup time.

Robert

Hi,

are you sure that a GR16 could be Used with the 798c Si ??
Because on the Humminbird Website, when we look at accessories for 798c Si, the GR50 and GR16 appears and if we look at the GR16 the compatible products that are listed does not show the 798c SI but only a "798C" ?

Thanks

Title: Re: external gps
Post by: RGecy on May 26, 2010, 04:30:44 PM

Zebu,

The 798c and 798c SI are the same unit!  The GR16 is compatible with pretty much all the Humminbird GPS units.  For years, it ws the primary GPS reciever.

Robert

Title: Re: external gps
Post by: zebu on May 26, 2010, 04:49:19 PM

Thanks,

I was pretty sure that it was the same unit but I had a small doubt.

The GR16 is actually the GPS receiver I bought with my Matrix 17.

Now, I want to buy a more powerful one and I think that Side Imaging could be a good feature for scuba diving, as charts are a good feature for yachting and fishing ;)

Title: Re: external gps
Post by: Jolly Roger on May 27, 2010, 04:31:13 PM

Quote from: zebu on May 26, 2010, 04:49:19 PM

Now, I want to buy a more powerful one and I think that Side Imaging could be a good feature for scuba diving, as charts are a good feature for yachting and fishing ;)

Absolutely right Zebu!
Prepare to be amazed  ;D.

Regards / Harry