Another GTM update 4.00 to 4.1 !!!!!!!!!!!!!

marksnsparks · Posted: Sat Mar 24, 2007 5:11 pm Post subject:

If version 4.1 doesn't seem to improve things, I think I'll stop with version 4.0 at least I know I may get some traffic info towards the Midlands. Only 90 miles away Crying or Very sad

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Garmin Nuvi 310 - Version 4.70 Firmware.
V9 Maps
Audio version 2.30
GTM12 - Version 4.80 Firmware
GPS v3.00
bluetooth software version 3.10

BAVC10 · Lifetime Member Joined: Dec 20, 2005 Posts: 751

Hamie

I can confirm that 4.10 works all the way from the A3 at Guildford, western section of the M25, M4, A404M and M40 to Birmingham - uninterrupted all the way !

swing · Posted: Sun Mar 25, 2007 9:55 pm Post subject:

Wow - that's good - I'll have to see how I get on travelling through that area tomorrow...
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mwfox · Posted: Mon Mar 26, 2007 1:58 pm Post subject:

BAVC10 is that connected to the car aerial or just as it comes?

BAVC10 · Lifetime Member Joined: Dec 20, 2005 Posts: 751

The Aerial is along the bottom of the windscreen - horizontal.

noseboy · Regular Visitor Joined: Apr 13, 2006 Posts: 62

Haven't noticed any improvement after upgrading over here in Cardiff / Swansea.

Bah.

tkerby · Posted: Tue Mar 27, 2007 11:02 am Post subject:

Garmin have advised me to to reset the FM tables and try the firmware again to see ig I get my missing stations. The procedure is as follows:

Go to the "view map" option from the main boot up screen. Then press on
the speed box in the bottom left hand corner. You should now see the
Speedometer page. Hold your finger on the Speedo dial at the top of the
screen for approximately 10 seconds. After this time the engineer's
diagnostics page should appear. The first page should be headed
"shutdowns".

Press "Next" at the bottom of the screen until you reach a page headed
FM Table. When on this page, hit the "Reset" button, then select "Yes"
when presented with "Do you really want to clear the FM Table?" now
press "Quit" and then switch the unit off.

swing · Posted: Tue Mar 27, 2007 11:21 am Post subject:

And please be aware that any stray button presses on the other screens within these diagnostic menus may render your unit useless.

Personally, upgrading to 4.1 seems to have made my unit more reliable - still some very large areas of no signal, but that's to be expected.
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mwfox · Posted: Tue Mar 27, 2007 12:01 pm Post subject:

I am not sure my unit is as sensitive as it was in previous GTM firmware versions as I am not receiving a signal close to home now even with 4.1 with an amplifier and connected to car aerial.

cdmackay · Lifetime Member Joined: Aug 03, 2006 Posts: 41

Is there any consensus on whether it's better to have the GTM12 aerial horizontal or vertical, on the windscreen? thanks much...

russo109 · Occasional Visitor Joined: Jun 30, 2006 Posts: 3

swing · Posted: Tue Mar 27, 2007 4:39 pm Post subject:

I believe the nearest radio mast to you is in Cardiff, so I could easily understand you not getting any signal in Bridgend.

My gut feeling is that 4.1 is no worse than 3.7, but it's very subjective.
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northender · Posted: Tue Mar 27, 2007 5:16 pm Post subject:

mwfox · Posted: Tue Mar 27, 2007 5:20 pm Post subject:

Do you phone Garmin - or have you found an email address where they will reply? I wanted to ask if I could get hold of the older firmware 3.7 for my GTM 21 to compare the reception. (If its possible to downgrade).

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