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Author Topic: Sat nav again  (Read 1637 times)

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LFF64

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Sat nav again
« on: 31 July 2009, 20:40:22 »
I know I have been told to change the Antenna and sorry to repost without doing this yet .
 The thing is  I have now put the antenna in the back of the car , it was in the front there was an extension from back to front .
I am now picking up 6/7 sats I have repositioned the car and been for a drive around with the unit set, and it  worked it knew where I was and guided me home ,
 I checked the position Long and Lat and it matched my other sat nav so I assume the antenna is working ,does this sound ok so far  :question
Porblem  I have is when the ignition is turned off and back on the car looses its position and says I am about 15 miles away it does this every time even after setting car position .
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TheBoy

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Re: Sat nav again
« Reply #1 on: 01 August 2009, 00:34:27 »
still reckon antenna, but if you want to prove first, I have lots of spare bits you can borrow if you want to play chop-and-change for a couple of weeks
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LFF64

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Re: Sat nav again
« Reply #2 on: 01 August 2009, 13:42:29 »
I have not been out yet to see what its doing today , the link you put up a while ago for the antenna the supplier is out of stock still  >:(
What is the difference between the SMB M and SMB F is it just the connector thats different do you know  :y
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TheBoy

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Re: Sat nav again
« Reply #3 on: 01 August 2009, 17:52:19 »
Quote
I have not been out yet to see what its doing today , the link you put up a while ago for the antenna the supplier is out of stock still  >:(
What is the difference between the SMB M and SMB F is it just the connector thats different do you know  :y
yes.
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Andy H

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Re: Sat nav again
« Reply #4 on: 03 August 2009, 18:13:31 »
SMB = sub miniature type B http://www.amphenolrf.com/products/smb.asp?N=0&sid=4A76288044FF617F& for the gory details.

M or F usually means male or female.
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"Deja Moo - The feeling that you've heard this bull somewhere before."

LFF64

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Re: Sat nav again
« Reply #5 on: 13 August 2009, 18:16:54 »
OK so its not the antenna I have a new one and  I am getting the same problem with this fitted
 It is working ok generally but it is still telling me  I am 12 miles away from where I am when around home when its first turned on and its always the same place ,its as if this is set as a default home position is this possible and if it is ,is it something that can be changed  :question
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TheBoy

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Re: Sat nav again
« Reply #6 on: 13 August 2009, 19:28:23 »
hmmm, wonder if its losing power, thus losing location with ign off  :-/
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LFF64

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Re: Sat nav again
« Reply #7 on: 13 August 2009, 20:03:47 »
I did wonder that too but it always goes back to exactly the  same place as if its set . I did notice before  I moved the antenna it was loosing the date and time untill it sorted its self out which would have pointed to power failure with ign off . Since I moved the original antenna that now does not happen .
 
 I will have to check the connections on that connector again I think as long as we get enough dry weather to actually get out there and have a look  ::)
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TheBoy

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Re: Sat nav again
« Reply #8 on: 15 August 2009, 10:26:09 »
Quote
I did wonder that too but it always goes back to exactly the  same place as if its set . I did notice before  I moved the antenna it was loosing the date and time untill it sorted its self out which would have pointed to power failure with ign off . Since I moved the original antenna that now does not happen .
 
 I will have to check the connections on that connector again I think as long as we get enough dry weather to actually get out there and have a look  ::)
LOL.

The offer of lending any part of carin still stands - swapping cd unit may help eliminate wiring issues etc. I could probably even get tunnie to deliver to bicester ;D
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I_want_an_Omega

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Re: Sat nav again
« Reply #9 on: 16 August 2009, 23:03:40 »
Sounds to me like the constant 12v supply is getting switched off with the ignition. Are you sure that its there all the time?
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LFF64

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Re: Sat nav again
« Reply #10 on: 21 August 2009, 17:56:13 »
 :-[  I think  I have sorted the problem now , it was a wiring problem  :-[
I am not sure why  I had not picked up the problem when  I first installed the sat nav about six months ago  :exclamation
It appears that  I had not got the perm 12v with ignition off , which as lincsRobert correctly pointed out I swapped this over on Wednesday and thought that was it until  I took the key out of the ignition and the bloody sat nav stayed on  >:(
 I have checked it all again and found out  I also had the ign 12v wired wrongly so  I have now changed that too and it all seems to be ok now  :y
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