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What is the best link how to correctly setting up GT-31 for speedsurfing.
I looked at GTC, there is only for GT-11
Is this the same procedure and parameters or ?
Thanx
Also find this: http://mtbest.net/setting-up-navi-GT31.htm
but it is very difficult to figured out, on gtc for gt-11 is much better
explained...
A good question warrior, I too can't figure this stuff out, the Garmin seemed quite easy in comparison. In particular I'd like to know.
* when using Navi Link whats the difference between Navi Data and Logger Data. The Logger Data that downloads gives me 4 Files, a GPX, a KML, a SBP and something else, which should I be using?
* How do I know if I'm getting doppler or trackpoint data?
* Can I still use the Realspeed version I was using with the Garmin?
* Is it automatically saving everthing to the card or do I have to "save to card" every session?
* I can't find how to erase whats already on the card
Thanks
today i've got mine gt31 and i will try to setup with this 2 link so far i have.
i let you know, and i'll try to do list of parameters, and then we will see
the corrections after i post it here. ok ?
I set all parameters by guide on GTC of GT-11
(works fine on GT-31), parameters are the same1. Also I figured out that GT31 may be ON and don't write track
if on:
Memory Card
LOG SWITCH:__________ON-FIX is set to "OFF"
(that is usefull if you want to stop GPS when you are out of water and you don't
wan't to turn it off. I f you goin back to water, put the log switch to ON-FIX.2. GT-31 got USB cable, but after instaling USB drivers, in software
(navilink, gps results.... GT31 must be on COM3 port, not USB)
I don't know why, but all programs with GT31 works only as GT31 stays on COM3
I've got today my GT31 and that is what I figured out today...
to be updated
Anyone knows, what is the difference between:
Memory Card
LOG SWITCH:__________ON-FIX
and
Memory Card
LOG SWITCH:__________ON
what "FIX" means ?
thanx
Ehhh, I find it, sorry:
OFF: disable card logging
#1048708; ON: activate card logging, all points will be logged
#1048708; ON-FIX: active card logging, only points with valid position
and speed above [MIN SPEED] is logged
There are different ideas about "on fix"
Sailquick says that it can cause glitches in the data as it switches on and off, and his advice is to use "on"
My experiences seem to be the reverse, so I leave it "on fix", I'd be interested to hear of anybody else's experiences.
picture is the best explanation, thanx neb
as I said: use OFF to off, and ON-FIX to ride :)
Yess Nebbian, I also use this as a base and translate important parts for my
Croatian new GT users (We got 20 new GT users these days, and getting
much more interests for speedsailing from day to day)
MY CROATIAN Manual is here: http://windsurfing-koprivnica.net/page.php?94
Cheerz
i wonder did you use this procedure:
1. Take new session, with on-fix setup
2. Save to card after session
3. Data Logger>CLEAR to got clean device for new session
and if I get it right, that CLEAR option deletes internal flash memory, not data
saved on SD card
Also options: in SPEED mode, how to use Reset/Save/Restore/Clear
This is only for history? to save or restore max and avg to history, and
Clear only delete all history ?
This CLEAR is not CLEAR in Data Logger for cleaning flash memory ?
If I CLEAR from Data Logger history stays, or that option clears all
Thanx
Warrior, The data logger doesn't really need to be cleared, new data comes in at the top, old data goes out at the bottom, so you always have the latest data in the logger. But that can be quite a few sessions, which you have to separate, so clearing it will save that job.
The clear, reset, save, restore, menu in speed is for speed genie. It doesn't affect the niormal data logger stuff, but I assume it's a separate file on the internal memory.
A guide for that should be on Tom Chalco's Mt best site I think.
It was designed because of the difficulty of using the joy stick in an aquapac. People who wanted to reset the max speed display at the end of a speed run were having trouble.
Speed genie does this automatically. If you are in >speed >max speed, it will display your max speed so far, until you reach the speed set in >settings >speed genie. It then resets max speed and starts a new recording.
I try to set my speed to something I will go over on a speed run but won't go over on the trip back upwind. That way I can check my speed while I'm waiting for the next gust.
Some people find it vary useful, others don't like it.
so if i get it right
if i want clean gt for every new session i can clear internal memory every time before session with: data logger>clear
this will start new session after clearing ?
will i need save to card every session before i clear for the newone ?
Hey Warrior,
Here's what I do before every session:
1) Turn GPS on
2) Go to Trip Meter, forward a couple of screens to Trip Odometer, then hit the button twice to zero it. This lets me check how many miles I've done in a day.
3) Go back to the menu, and select Speed -> Max speed. Hit the button twice to reset it.
4) Go forward one click to 10s max average and reset this as well.
5) Go back a screen to max speed, and leave it on this to go sailing.
I've never deleted a session off my card, and it's still got 90% free. 1 Gig is a lot of storage space! You don't need to clear the data logger either, any of the good GPS software packages will let you split a file by date pretty easily.
******** For advanced users *********
I actually lied a bit in step 3. I not only reset but clear as well.
After a run, if it's a good one then on the way back upwind I'll save that speed, then reset it. This lets me see the results of each run, even if it's not as fast as a previous run.
Clearing gets rid of all the speeds that I saved last time out.
The Speed Genie will save these automatically, but I find reading the screen when it's in genie mode really challenging when you're bouncing over chop. I can get a half second glance at the screen, but to figure out where in the cycle you are, you need to watch it for a lot longer...
So I check the speed, hit the toggle, then down, then toggle again. This saves the speed.
Then a double tap on the toggle, quick glance to confirm it's at 0 knots, and back to the top mark for a screaming gybe... no time lost at all 
Now as I tested more and read more, seems to i don't know nothing.
Everithing now confused me. I am now lost between many of Resets and Clears.
Please, Neb, write me in simple words:
1. If I got clear GT, nothing on card, memory card set on ON-FIX:
I turn GPS ON, choose speed mode and I may go sailing, right ?
2. If I want to save this session to SD card after sailing I press SAVE TO CARD
3. May I now Clear the data logger and go sailing new session, or
when i press clear in data logger i loose my first sailing that day ?
YOU WROTE:
1) Turn GPS on
2) Go to Trip Meter, forward a couple of screens to Trip Odometer, then hit the button twice to zero it. This lets me check how many miles I've done in a day.
(may i zero all parameters here or trip odometer is enough?)
3) Go back to the menu, and select Speed -> Max speed. Hit the button twice to reset it.
RESET OR CLEAR ? you wrote down that u use CLEAR
4) Go forward one click to 10s max average and reset this as well.
5) Go back a screen to max speed, and leave it on this to go sailing.
and after sailing what to do, if u need to save data and go another clean sailing,
in case that i give gps to other sailor, or i want new session etc ???
how to be shure that forst session is in memory and gps is clean for second
THERE I AM CONFUSED...... so try to write in simple, i don't know english good
as u know :P
If ther is any option to load data from SD directly from GT or I need to take card out and put it into reader
Also I try this now:
Clear all in GT, go to Speed screen and record some tracks
after that I press Save to Card (there is message NEW FILE)
Again on Speed and record further, again Save to Card (again NEW FILE message)
and records third part... after I load data to pc, there no 3 sessions, only *uckin one.........that is what I ask U
How to record hour of sailing, save data, then record 2 hours of sailing, save data
and for example sail 3 hours more in the evening - all in one day and got 3 sessions
"On-fix" vs "On"
On-fix: means on satellite fix, aka satellite lock. You can tell when it has a lock, by looking at the power-level screen -> you will have at least 5 full-black vertical bars (under some scenarios it can drop to 4 bars)
Nebbian, the reason for the big spikes are because the GPS wrote data (specifically, invalid data) every second; for your clean-track it sometimes didn't write data.
So you have a choice, a track that looks nice but contains random-unkown missing data, or a track that shows exactly where the sattelite lost signal lock.
The reason for the recommendation of using "on" (rather than using "on-fix") is that we have experienced tracks where we the run is clean, but contains occasional missing datapoints.
Since the memory card can hold heaps of sessions, it seems pointless to "save space".
Hi Mat,
It would be worth sharing that tech tip on the GP3S Tech Forum. As far as I was aware "on-fix" was the setting to be used.
best regards
H
Hey gang, if I'm windsurfing and I want to see my distance, or the time of day, or how long I've been on the water, I find the gt-31 rather awkward. Each of these seems to require a push on the toggle to get the correct screen displayed. I've got a Paqua midi, which is nice and waterproof, but my little washer over the toggle button never stays on, so I've got to try and push the toggle gently sideways, but quite often I end up pushing the toggle in instead of up or down or sideways. This usually ends up with having to press the small power button so I don't accidentally clear or reset the menu. arrrrrghhhh... (and all this while I'm travelling at 50 , 40, 30, well, whatever speed...).
So, am I missing a setting somewhere that lets the user see these displayed as well as speed? or has everyone mastered the toggle push? (maybe I need new thumbs!!)
Yes I test only from GT, now when i take the SD card out and put it in reader, there are many of files....I was only confused becouse i thoght that SD card is readable via GT31, but I as saw it's not. Card must be in readed. From GT via cable you only seeing data from his internal memory (data logger)
Second question: I just bought GT31 (so far I have Garmin FR205) and my version
of firmware is 1.2 (B0922) (which is the latest international version shown on locosys site)
On MT Best there is a much newer firmware 1.2 (B1405), and what I saw in readme there is many more options in trip meter and sound genie (extra sounds for max s or max avg or accelerate......), many bug fixes, etc.
May I use this firmware without fear of destroying unit, becouse that firmaware is not show on official locosys site ??? How Come ?
@Craiggoo - that is what Neb said, see in TRIP METER
SO IF I IN THE END OF DAY read data to PC and clear data logger
When I turn it ON only what I need is to:
1. Reset the TRIP METER (for have distance for that day)
2. Clear the MAX SPEED, and Clear the MAX AVG SPEED and go sailing
(what about on that screen option when is on MAX SPEED, press, DEL ALL ?)
Will DEL ALL clear max speed and max avg speed, or?
3. If I have clean new session, turn the GT off and on and go sailing again
RIGHT ?
Tom at Mt Best is heavily involved with producing windsurfing based firmware, I think the latest stuff on his site isn't always on the locosys site. But I'm sure it won't damage your unit.
Not sure about del all, I don't have that on my gt11.
I update it nowto version 1405x from mt best
working fine.
(37 seconds for update)
in MISC part now I have new options, choose what screens shown on speed genie, and I see there new options DELETE and SAVE TO CARD
I suppose, from here before sailing I may press DELETE then DEL ALL and there is no need to reset trip, max, avg part by part (that also delete data logger)
R I G H T ? ? ? 
Trip Min Speed is also new option now here.
In Trip menu new option is DOWN COUNTER, and so on
Hell Yeah, COOL STUFF THERE, hehehe, thanx bros for supporting me in this questions and answers....
Yes, now I have only BIG MAX and BIG AVG, I turn it OFF that other 4 together screens and some screens from history, also U can turn OFF avg and have only BIG MAX
Cool option here is "Screen Flip", if U R using 2 GT's, that must be "antena 2 antena" (that means that one GT in Aquapac need to be upside down),
In that case on that GT just flip the screen 180 degrees and VOILA !
You may read both displays but on GT is upside down :P
No, and that will be good idea.
IN MISC SESSION HERE YOU GOT:
SPEED GENIE: You can choose between there screens to be shown:
max/ns max
history max
max speed
ns max avg
every of that four have ON or OFF to show
also here is new option for TRIP MIN SPEED
and:
DELETE : DEL ALL, TRIP METER, SPEED, TRACK, DATA LOGGER
SAVE TO CARD: SAVE ALL, TRIP METER SPEED, TRACK, DATA LOGGER
I contacted Basil Cambanis and here is the answer:
Basil Cambanis to me
show details 12:20 (28 minutes ago) Reply
1. Use the MISC menu to clear everything, no need to go one by one
2. I've asked Tom to allow for average speed over a custom distance (I need this for my event), but he said that it's very complex to do this (not sure why), so in a nutshell he said NO. Perhaps if enough of us ask for this they might include it in future versions of firmware.
3. The only way I know how to start a new session without switching it off is to go to the MEMORY menu and set the LOGGING off, then back on again (to 1 second). But it'll be quicker to switch the unit on and off again I think, I see that when doing this it find the satellites almost immediately, as though it has them still locked.
So that's it so far I know about GT in last few days...We will continue this thread, as we all get something new about tips'n'tricks, thanx to all so far for helping me out here
