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Normal Topic How to set an ETREX for NZTM2000 (Read 7423 times)
Aquila
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How to set an ETREX for NZTM2000
Jan 28th, 2009 at 11:46pm
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Setting an Etrex for NZTM2000

If you setup your Etrex now then you will have the numbers saved and in September 2009 you can just select “User Grid” and “WGS84” and you will be good to go.

  • Turn the GPS on. You can do this inside as we don’t need to acquire satellites to change settings.
  • Press the Page button 4 times. This will bring up the “Menu” Screen.
  • Scroll down to “Setup”, Press Enter
  • Scroll down to “Units”, Press Enter
  • In “Position Frmt”, Select “User Grid”, Press Enter

In the window that comes up you can alter the Grid Reference settings. This changes where your grid starts.
  • Longitude Origin, Set to E173 00.000
  • Scale, Set to 0.9996000
  • False E, Set to 1600000.0
  • False N, Set to 10000000.0
  • Select “Save”

This will bring you out to the “Units” page.
  • Scroll down to “Map Datum”
  • Select “WGS84”

You are now able to use NZTM2000 Maps when they are issued in September 2009.

To use your current maps, Change “Position Frmt” to “New Zealand”. This will set the datum to “Geod Datum ‘49” Which is what we currently use.

Gareth Thompson
CHCHSAR Training Co-ordinator

If anybody wants a copy in PDF, PM me your email address and I'll send it.
  
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Cartoonis
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Re: How to set an ETREX for NZTM2000
Reply #1 - Aug 18th, 2009 at 7:59pm
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Cheers Aquilla, was reading the new NZ Hunting mag today, and wrote the numbers down wrong.  Lost a few zeros!  ta
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #2 - Aug 19th, 2009 at 5:20pm
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Not a problem. I originally wrote it and it was published in the National Land Search And Rescue Newsletter.

Nice to see it being used.
  
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Re: How to set an ETREX for NZTM2000
Reply #3 - Aug 22nd, 2009 at 9:23am
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CHeers for this.
  
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Re: How to set an ETREX for NZTM2000
Reply #4 - Sep 6th, 2009 at 5:44pm
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Just set my etrex - have to buy a new map now!
  
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Re: How to set an ETREX for NZTM2000
Reply #5 - Sep 8th, 2009 at 11:53am
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so now when I'm using the new USR units I don't get any location details?

am I doing something wrong

Is the New Zealand TM Position format the same as the new USR one?
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #6 - Sep 8th, 2009 at 11:55am
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Probably. If you follow the instructions it works.
  
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Re: How to set an ETREX for NZTM2000
Reply #7 - Sep 8th, 2009 at 12:04pm
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ok yes I can't read  ... all working now

is this the same as the New Zealand TM Position unit? or slightly different,  location looks pretty close
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #8 - Sep 8th, 2009 at 12:07pm
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The user defined one you just entered is for NZTM.
  
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Re: How to set an ETREX for NZTM2000
Reply #9 - Nov 10th, 2009 at 11:14pm
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Thanks Aquila much appreciated.
  

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Delerium
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Re: How to set an ETREX for NZTM2000
Reply #10 - Jul 19th, 2010 at 10:47am
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Just been reading up on this, NZDG49 = 260 series topo maps = old maps


WGS84 = new grid system and matches exactly the new maps= nztm 2000?

EDIT- found info, WGS is not exactly the same as nztm2000, but can manually enter settings into  csx60 to give it the exact settings.
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #11 - Jul 19th, 2010 at 10:57pm
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The CSX60 should have NZTM as an option.
  
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Delerium
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Re: How to set an ETREX for NZTM2000
Reply #12 - Jul 20th, 2010 at 12:54pm
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Quote:
The CSX60 should have NZTM as an option.



It does, but from what I have read, it isnt the exact same grid as the new maps, which I need it to be for work. So I can enter in the settings manually.

Cheers.
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #13 - Jul 20th, 2010 at 2:30pm
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NZTM is the Grid, WGS84 is the Datum.

The 2 go hand in hand. Selecting NZTM should also automatically select WGS84 as the Datum.
  
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Delerium
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Re: How to set an ETREX for NZTM2000
Reply #14 - Jul 20th, 2010 at 6:32pm
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Does that match exactly with nztd2000 ( i think that is the correct term) of the new maps. I was under the impression there was an approx 200m difference.
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #15 - Jul 20th, 2010 at 6:46pm
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WGS84 and NZGD49 have a 200 meter difference...... NZTM, NZTD and WGS84 all go together exactly with WGS84 being an international standard
  
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jono
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Re: How to set an ETREX for NZTM2000
Reply #16 - Jul 23rd, 2010 at 5:08pm
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Sorry for asking what could be a stupid question but, can I continue to use, and get a reading, in 260 series on my etrex so I can carry on using my topo map cd and maps I have made up?
Cheers.
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #17 - Jul 23rd, 2010 at 8:35pm
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You certainly can, I am. I switch over to NZTM when using my GPS on SAR work.

The only problem you may have is giving your position. This is easily solved by telling people you are using NZGD49 before any grid you give.
  
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Re: How to set an ETREX for NZTM2000
Reply #18 - Sep 6th, 2010 at 6:14pm
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Aquila you are the MAN for posting this.

Cheers
  
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Sikakila
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Re: How to set an ETREX for NZTM2000
Reply #19 - Sep 10th, 2010 at 11:58am
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I have the Etrex H and the old yellow one as well,The H seems fine with the new maps,cant get the old one to display the grids,do you know if the old etrex will take the new map settings? Huh
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #20 - Sep 10th, 2010 at 12:54pm
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It'll work, The main problem seems to be the number of 0's entered. Check this first and if you still have problems let me know what your settings are.
  
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Sikakila
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Re: How to set an ETREX for NZTM2000
Reply #21 - Sep 19th, 2010 at 9:48pm
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Have scored a cable to update my etrex (not the H),followed the above instructions, still no user grids.The only difference is my gps has one more '0' under 'false'E'..and I cant get rid of it. Angry
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #22 - Sep 19th, 2010 at 10:17pm
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Put a 0 in front of the other numbers eg 01600000.0
  
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Sikakila
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Re: How to set an ETREX for NZTM2000
Reply #23 - Sep 19th, 2010 at 11:00pm
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Well f&^%k me with a fishfork!!! Shocked
It worked!! Grin
Thanks for your time and tolerance,yer a bloody legend  Cool
Cheers man Smiley
  
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Aquila
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Re: How to set an ETREX for NZTM2000
Reply #24 - Sep 19th, 2010 at 11:10pm
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You are most welcome.

I went through all this figuring out what numbers go where and getting the data I had to work on my old gps hence how I know what to do to make things work.

Why?

Because 2 people high up in SAR that are respected for their technical expertise told me it couldn't be done. I've also written a training manual for police using on converting to NZTM
  
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