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Any need for backup FF or GPS? Suggestions please.

Old 08-01-2005, 09:16 AM
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Default Any need for backup FF or GPS? Suggestions please.

Here's my situation. Currently I have a Garmin 182 GPS/Chartplotter and a Garmin 240 Blue FF. I want to upgrade to a color fishfinder. The criteria is as follows: 1) I would like a unit that is the same size as the 240 Blue so I don't have to cut the console. 2) I would like to use the same transducer that I already have mounted. 3) Easy installation (unplug the 240 Blue and plug in the new unit). 4) Given the above criteria, price is not an issue. My question is, would you get a GPS/FF combo like the Garmin 178C and replace the FF so you will have a backup GPS? Or replace the GPS and have a backup FF? Or just get a color FF? Any other recommendations for which model to get (preferable Garmin)? Thanks in advance for you help.
Old 08-01-2005, 09:23 AM
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Default Re: Any need for backup FF or GPS? Suggestions please.

I don't really see a need for a backup fish finder. A backup GPS is a very good thing. Many people use a handheld GPS as backup, with important waypoints already programmed in.
Old 08-01-2005, 09:27 AM
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Default Re: Any need for backup FF or GPS? Suggestions please.

I agree, if you had to choose between a backup product, the GPS is much more essential. A handheld is probably the best backup, since it is independent of the rest of the boat. As long as you keep fresh batteries in it you're fine. If your fishfinder goes out one day it will be an inconvienence, but if you're GPS goes out it may be hard to get home, and will be harder to fish if you fish structure.
Old 08-01-2005, 09:53 AM
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Default RE: Any need for backup FF or GPS? Suggestions please.

You will need to check with www.garmin.com to see what color fish finders are compatible with the 240 transducer. Sounds like your real desire is a color fish finder.

If the following quote is true......"4) Given the above criteria, price is not an issue," Then I'd purchase an additional 182c as a backup. They are now under $600 and for sale as closeouts at a number of vendors. Then if your current 182c gives up the ghost, you are already prewired and ready to plug in a new 182c. I presume you also have whatever garmin bluechart chip.

Have you wired your 182c to your VHF for the DSC feature. I have done so. That's one less item to wire if your current 182c fails. You should be able to use the same plug and pin-out configuration.

I use a Garmin 72 handheld as a backup to my 182C. In addition to the AA batteries the handheld uses, I purchased the DC plugin power so I can use the cigarette lighter jack to back up the power to the handheld. As mentioned, I have programmed into the 72 important waypoints, like mouth of the Jetties, and certain fishing holes. The Garmin 72 is not as precise as the 182c. I think it marks your location to 30 feet, unlike the 3meters of the 182c. It also takes twice as long to acquire the satellites. (Not WAAS) but I'm confident it will bring me home if I need it.

I love the 182C and only wish the screen was bigger for my tired eyes and rocking waves.

I personally like separate units. That way when one of the features (gps/fishfinder) goes haywire, you don't lose each when you send the unit for repairs.

You can convert your 182c to a color fishfinder using the gs-20 module. I'm not certain of transducer capability. Again--see garmin.
Old 08-01-2005, 10:07 AM
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Default Re: Any need for backup FF or GPS? Suggestions please.

I like DSsmiths idea.. however I would go cheap on the back GPS and get a basic Garmin Etrex GPS and mark the outter channel as a waypoint.
Old 08-01-2005, 10:52 AM
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Default Re: Any need for backup FF or GPS? Suggestions please.

I think Thunt55's question was:

should he pull the 182 out of the dash and replace it with a color combo that includes a color fish finder. Then he would have two fish finders, the new one, and the 240 that is in the dash now. (Once Garmin figures out their problems a 198 would be a good unit).

OR

He can leave the 182 in the dash and pull the 240 and put a color combo unit in the space vacated by the 240, in which case he would have the new unit and his existing 182. (two GPS-Plotters)

I think everyone is in agreement that two GPS is more usefull than two fishfinders. I would keep the 182 and replace the 240. You could go full screen on both (full screen plotter on 182 - Fishfinder on 188 or 198), but still use the combo to mark hot spots.
Old 08-01-2005, 12:13 PM
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Default Re: Any need for backup FF or GPS? Suggestions please.

jfdlaw - 8/1/2005 10:52 AM

I think Thunt55's question was:

should he pull the 182 out of the dash and replace it with a color combo that includes a color fish finder. Then he would have two fish finders, the new one, and the 240 that is in the dash now. (Once Garmin figures out their problems a 198 would be a good unit).

OR

He can leave the 182 in the dash and pull the 240 and put a color combo unit in the space vacated by the 240, in which case he would have the new unit and his existing 182. (two GPS-Plotters)

I think everyone is in agreement that two GPS is more usefull than two fishfinders. I would keep the 182 and replace the 240. You could go full screen on both (full screen plotter on 182 - Fishfinder on 188 or 198), but still use the combo to mark hot spots.
JFDLAW,

You are exactly right. That is my question. And it sounds like the backup GPS is the way to go. So, in that case, should I get the 178C, 188C, or 198C? And does anyone know if either of these are compatiable with the Garmin 240 Blue's transducer? And can I use the same external antenna for 2 GPS units at the same time?? Thanks.
Old 08-01-2005, 09:53 PM
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Default Re: Any need for backup FF or GPS? Suggestions please.

In reviewing the garmin site, the 178C GPS/Sounder unit uses the following transducer (among several others)

010-10249-00 Transducer 200KHz, 20deg, plastic, transom mount, depth, temp

The Garmin Fishfinder 240 Blue also uses the same transducer.

From what I gather there are several other transducers similar to the two units.

The 188C and 198 C use transducers with different part numbers. There are different energies cites also. This may or may not mean they are compatible with your 240 Blue.

In short, If you pull your 240 Blue FF you should be able to replace it with a 178C GPS/Sounder unit and have a new FF and GPS. I don't know if the 178C uses an external antenna, or an internal antenna, but a search of the features would answer this pretty quick.

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