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Old 07 November 2008, 13:51   #1
Country: UK - England
Town: Durham
Boat name: Hati Hati
Make: Humber Destroyer
Length: 6m +
Engine: Suzuki DF175
MMSI: 235064194
Join Date: Apr 2007
Posts: 53
Garmin 550S - Trip planning off the boat

Does anyone know if there's a 12 volt adaptor/ tool available that allows you to power up your chart plotter while in the comfort of ones armchair, to facilitate trip planning without having to sit on the boat to do it. I feel a bit of a pratt sitting on my RIB while it's moored on my driveway outside my house, especially when it's pisistantly raining!!

Appreciate any feedback.

Cheers,,,,, Brian

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Old 07 November 2008, 13:58   #2
Country: UK - England
Town: Exmouth, Devon
Length: no boat
Join Date: Oct 2004
Posts: 767
Probably easiest way is to get another power cable with the connector for the unit and then wire up to appropriate power source (12V cell or transformer). The cable is available separately.

Tel 01395 227727
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Old 07 November 2008, 14:14   #3
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
Join Date: Dec 2006
Posts: 4,014

I have a power transformer and lead what sort of plug do you have?

I also have the MapSource software for your PC and a card reader so you can plan your route on the PC then transfer it to the card out of the Garmin.

I now have Lowrance so don't need either if you are interested.

Chris Stevens

Born fiddler
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Old 07 November 2008, 15:47   #4
Country: UK - Scotland
Town: Inverness
Boat name: none
Make: none
Length: 5m +
Engine: none
MMSI: none
Join Date: Mar 2007
Posts: 1,908
I just used to use a spare power cable connected to a 12v gel battery to power up indoors and do all programming.
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Old 07 November 2008, 18:42   #5
Doug Stormforce's Avatar
Country: UK - England
Town: Southampton
Boat name: Yoda & Obi Wan
Make: Valiant 750 & XS600
Length: 7m +
Engine: 150, 115 HP
MMSI: Various
Join Date: May 2004
Posts: 1,031
We have spare leads for each set that can be easily removed from its boat and just plug into 12V transformer.

From memory £25 from Maplins for the transformer, £1 each for little banana plus that make it look neater.

The Garmin lead will usually have 6 wires on the end, its red and black you need for power with a fuse on the red (positive).
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