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GT-31 Cheat notes

Created by Sputnik11 Sputnik11  > 9 months ago, 17 Nov 2014
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Sputnik11
Sputnik11

VIC

972 posts

17 Nov 2014 10:20pm
Just bought one. Can anyone advise on the shortcuts to use it to capture a windsurfing session? Feel free to call me a lazy bugger and direct me to the user guide....
decrepit
decrepit

WA

12802 posts

17 Nov 2014 8:13pm
except a lot of people will say, "set log switch to on, instead of on fix"
Surfinfreak
Surfinfreak

QLD

293 posts

17 Nov 2014 10:39pm
What is the difference? I just got mine and set it to
on fix.
decrepit
decrepit

WA

12802 posts

17 Nov 2014 9:52pm
Select to expand quote
Surfinfreak said..
What is the difference? I just got mine and set it to
on fix.


On fix, doesn't log any data unless unit has "fixed" on the satellites. On means the unit starts logging as soon as it boots up and doesn't stop until turn off.

So "on fix" saves a bit of memory space, but with a 1 or 2gb card in that's irrelevant. On fix also means logger can stop in the middle of a session if you go under water, or if the unit gets shielded some other way from the sky.

Different people have had different problems with both set ups.
If the unit is logging without a "fix" the data is basically garbage, but in most cases the software can handle this.
If the unit isn't logging without a fix, you have a hole in the data and again in most cases the software can handle it.

I've tried both and haven't really had much trouble with either.
But the current GTC technical advisors say to use "on" and I don't have enough expertise to argue the point.
Sputnik11
Sputnik11

VIC

972 posts

18 Nov 2014 10:41pm
Select to expand quote
decrepit said..

Surfinfreak said..
What is the difference? I just got mine and set it to
on fix.



On fix, doesn't log any data unless unit has "fixed" on the satellites. On means the unit starts logging as soon as it boots up and doesn't stop until turn off.

So "on fix" saves a bit of memory space, but with a 1 or 2gb card in that's irrelevant. On fix also means logger can stop in the middle of a session if you go under water, or if the unit gets shielded some other way from the sky.

Different people have had different problems with both set ups.
If the unit is logging without a "fix" the data is basically garbage, but in most cases the software can handle this.
If the unit isn't logging without a fix, you have a hole in the data and again in most cases the software can handle it.

I've tried both and haven't really had much trouble with either.
But the current GTC technical advisors say to use "on" and I don't have enough expertise to argue the point.


ok - I'm a bit lost now....
Surfinfreak
Surfinfreak

QLD

293 posts

18 Nov 2014 11:05pm
Ok. As I have been underwater (20-30 cm) roughly,
and don't seem to have any problems logging I am
just going to keep it set to on fix for now.
sailquik
sailquik

VIC

6166 posts

19 Nov 2014 12:32am
Select to expand quote
Sputnik11 said..

decrepit said..


Surfinfreak said..
What is the difference? I just got mine and set it to
on fix.




On fix, doesn't log any data unless unit has "fixed" on the satellites. On means the unit starts logging as soon as it boots up and doesn't stop until turn off.

So "on fix" saves a bit of memory space, but with a 1 or 2gb card in that's irrelevant. On fix also means logger can stop in the middle of a session if you go under water, or if the unit gets shielded some other way from the sky.

Different people have had different problems with both set ups.
If the unit is logging without a "fix" the data is basically garbage, but in most cases the software can handle this.
If the unit isn't logging without a fix, you have a hole in the data and again in most cases the software can handle it.

I've tried both and haven't really had much trouble with either.
But the current GTC technical advisors say to use "on" and I don't have enough expertise to argue the point.



ok - I'm a bit lost now....


That probably because you set to 'ON FIX' !

I have seen a few problems with ON FIX where the fix does not pick up again quickly enough. Also, it better to see the data is junk to make it easier to see when it comes good. But Decrepit is right that the software does an excellent job if sorting it out now so it's not a biggie unless you are going for a world record PB!
decrepit
decrepit

WA

12802 posts

18 Nov 2014 10:55pm
Select to expand quote
Sputnik11 said..
>>>>>>
ok - I'm a bit lost now....


In what way are you lost? There's too many possibilities to make a guess.
Sputnik11
Sputnik11

VIC

972 posts

23 Nov 2014 12:15pm
Select to expand quote
decrepit said..

Sputnik11 said..
>>>>>>
ok - I'm a bit lost now....



In what way are you lost? There's too many possibilities to make a guess.


Are there 5 easy steps I ca follow. Consider me a simpleton, no technical talk, just plain English. On fix means nothing to me.
decrepit
decrepit

WA

12802 posts

23 Nov 2014 8:32pm
Select to expand quote
Sputnik11 said..
decrepit said..

Sputnik11 said..
>>>>>>
ok - I'm a bit lost now....



In what way are you lost? There's too many possibilities to make a guess.


Are there 5 easy steps I ca follow. Consider me a simpleton, no technical talk, just plain English. On fix means nothing to me.


OK,
Select to expand quote

Matt Dowse said this

Have a look here! http://mtbest.net/setting-up-navi-GT31.htm


These are the best instructions you'll find and they aren't hard to follow.
BUT, you'll see in there it recommends to set the card logger to "on fix", the current advice is to set it to "on".
If you have trouble with this, you'll need to explain exactly what step you don't understand, and I'll endeavour to clear things up.
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