Relie more on my Terrova than my depth finder for speed readings for this exact reason.
If gps speeds of less than 1.0 are important to you i would not buy the newer humminbird units. My brand new 900 series has to go back to the factory for other reasons but i ask about the fact that the few hours i had the unit working it would not hold speed on screen. It jumps all over the place when reading in tenths. This is useless for tightliners. If i had known this i would have bought something else. It is a wide spread problem and humminbirds fix so far is to try a more exspensive puck and this may or may not work. Buy a good jap unit and save yourself some grief. Yeah i'm a little ticked off...........................
Relie more on my Terrova than my depth finder for speed readings for this exact reason.
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Interesting enough, Johnson Outdoors owns both products. I used to own an I-Pilot and found in windy conditions most of its features were useless for tightliners. I will have to say that the gps readout were in line with older unit I have on the boat. Maybe they could just send a I-Pilot unit with the finders because most tightliners use the v2/terrova series. I personally don't like having a handheld unit in my hand or around my neck while fishing. If my eyesight was great and could read a 1/8" tall readout I wouldn't be buying a 900 series finder anyway. If I remember correctly condensation made my little IP screen hard to read in cold weather. I guess I'm just a little ticked off that a company, that if bought today. I would have close to five thousand dollars worth of product in, tells me there is no solid fix for a unit that has been on the market for a year and still selling them. Thanks for letting me vent....For the first time in my life I will not be recommending humminbird or anthing put out by Johnson Outdoors.
My 798 has been back to humminbird two times in the last month, they say the internal antenna circuit board was bad both times, nothing to do with gps works, so I have it back for the second tome Ina month, I hope to get to the lake this weekend and try it out. But as Rees said I use the Ipilot more for my speed control and the cruise control on the unit works good on calm days.
my 7 and 8 hundred series are right on the money with my ipilot. Do you have the newest updates installed?
I think they humminbird makes fish magically appear to keep you wanting more. Like "let's mess with this sucker. Red fish, red fish, blue fish, blue fish Look at him adjust those rods." Haha. No fish on screen then you can catch them.
Same problem with the new garmin GPSS, At slow speed, 5 mph or less , they are off too. I bought me a new one here a while back, stayed on the phone for 3 or 4 days, done every update possible, ended up sending it back, got refund. Finally some one at garmin told me they new about the problem and had there guys working on it, but they had no fix at this time.The problem was , when I was easying up on a brush pile, I would go past it 20 to 30 feet before the GPSS said I was on it.
I have a 597 and thought it was just mine that jumped around like that. I see people saying they were fishing at .5 or .8, etc. Mine might be .2 -1.4, or anywhere in between. If I'm tightlining I try to keep my lines hanging straight down or close to it. That is the only way I know to control it.
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