Quanmeg

I use mine on american and southwest all the time and I have never had a problem. Never looked on the list to see if it was okay. Never had a flight attendent say not to use it. I fly at least twice a month.

Thanks ...I took your advise and posted on Cnet as well. Maybe one of these days pioneer will respond to my complaints.

I just hope others don't make the same mistake I made.

See the post on Datums for everyone that can be a factor too.

I to seem to be having quite a few problems getting the datum right and it appears to be a multi fold problem for me. First - During the transfer of waypoints from my maping software to my GPS a minor adjustment in the coordinate is made. This is often due to a mismatch between the datum in my maping software and the datum I have set in the GPS. When this happens the GPS corrects the coordinate making it a little off...or is it actually correct? in anycase I have to check and recheck the coordinates. Second- It appears that hiders may be using a different datum than I am using when finding. Yesterday I went to 2 cache locations within 1 mile of each other in Kentucky. At the first one I used the canada datum and my GPS zeroed to within inches of the cache location. Other caches found that have been hidden by this hider have also zeroed using the canadian datum. Using the same datum while searching for a cache hidden by someone different 1 mile away my GPS was zeroing 120 feet from the actual cache location. So for me swithching datums trying to figure out the hider is all part of the find. If all else fails try the UTM Third- The datum I use at home in Texas doesn't always seem to work very good in other locations. Seems to me you just have to try switching things up. Forth - your map may not accuratly dipict your true location. one manufacturer has this to say The quality of signals from the GPS satellites is poor causing reduced positioning accuracy. Such a loss of signal quality may happen for the following reasons: 1) The GPS antenna is in an unsuitable location. 2) Obstacles are blocking signals from the satellites. 3) The position of satellites relative to your GPS is bad. 4) Signals from the GPS satellites have been modified to reduce accuracy. (GPS satellites are operated by the US Department of Defense, and the US Government reserves the right to distort positioning data for military reasons. This may lead to greater positioning errors.) If a cellular phone is used near the GPS antenna, GPS reception may be lost temporarily. Do not cover the GPS antenna, because this may block the reception of GPS signals. Check the GPS signal reception and the position of the GPS antenna if necessary, or continue moving doing the drunken bumblebee walk until reception improves. Keep the antenna clear. Posting the datum of hiders GPS encripted in the clue section could be helpfull for all. IN anycase using WGS84 produces the most accureate results but it may not put you on point with the cache if the hiders coordinates were established using the tristen 68 datumall you can do in my opinion is be aware in the knowledge this can be a factor in your hunts and be resourceful.

I don't have any clue about what manufacturer makes the best GPS equipment, but I absolutly know who makes the worst one. Pioneer DVIC-D1 is not a navigational system and it barely even qualifies as a toy I'm not talking about Geocaching I am just speaking in general when I say the Pioneer DVIC-D1 is the most over priced worthless piece of junk that has ever been made. I have been using the Garmin Quest since it hit the market and apparently I am spoiled rotten by it. I have used it for Geocaching as well as road and air navigation with nearly flawless results. Being tired of the tiny screen and dangling wires I yearned for a professionally installed in-dash touch screen in my new vehicle. BIG MISTAKE!!!! I bit the bullet and paid for the option at the dealership when I purchased my new 4x4 (an option way over $2000.00!!!) A couple little short trips around my home area and everything was going smoothly (with the exception of this female voice telling me to take right turn when I should be taking left and telling me to make U a turn when I should be going straight. It was obvious from the beginning she was a typical female and the unit was not compairable to a Garmin. For a long time I worked with the unit to learn about how it functions thinking this can't be as big a piece of junk as it appears to be but after countless hours spent I can truly say without a doubt it is an even bigger piece of junk than I ever imagined. The map software indicates that the maps are current to within 2 years but the fine print errors and omissions in the maps are disclaimed so don't take any bets on weather or not that 4 lane divided highway that has been in use for the last 20 years will be on the map I know of at least a dozen of them that aren't and at least a dozen more where you are shown tracking parallel to the highway about 10 miles away. Of course you can buy an upgrade of the map software for about 200 more dollars. Speaking of upgrades I forgot to mention every aspect of this GPS is an option. You spend this enormous amount of money thinking you are really going to get a decked out GPS and when you begin to use it you find out you only have one small piece of it. Rear view camera - extra, DVD capability - extra, satellite radio - extra (plus subscription), XM traffic - extra (plus additional subscription fee) On my first major trip it was no big deal I knew where I was going and although the GPS didn't like it I went the best way. My 4th trip however, was to someplace I had never been before. Sitting in the driveway at home I selected my destination. You would think with a nice big screen it would be so much easier to select your route....NOT... The pioneer unit has this narrow field of vision for that big screen and when you zoom out to get the bigger picture you almost instantly loose all the road names and land marks ...so it is nearly impossible to determine if things are going to go well on your trip. With 99% of my trip complete without any major mistakes other than a few screw ups with voice guidance I was feeling pretty good. 100 miles left to go 3/4 of a tank of gas all is well........ not........60 miles in the 4 lane changes to 2 lane, 70 miles in and the 2 lane changes to one lane (not enough gas to make it back to the last gas station I saw) 72 miles in ...starting up a steep mountain...oh look...snow......30 minutes later 75 miles in the one lane changes to dirt and the mountain is getting steeper.....oh look ...lots of snow......1 hour later 80 miles in coming over the crest of the mountain headed north Pioneer GPS indicating you are on the right track. Now I don't know about most people but, being from Lubbock Texas I never really thought about the fact that the sun usually shines on the south side of a mountain and in the winter it doesn't' shine much on the North side al all. over the top I went....can you tell me why the national forest service would put a steeper road on the icy side of the mountain. 4x4 locked in low creeping around hair pin turns so tight you could roll down the drivers window and touch the back bumper. sliding sideways, front ways...backward and any other way you can think of.....and of course no cell phone service....oh yeah and the pretty red low fuel light has been on for about 20 minutes now....oh look at that......it's a good thing it is dark because it looks like about a 100 foot drop off on that edge of the road.....oh great a fork in the road.... no fork on the GPS just one road....humm there is a sign down on that side of the fork I wonder what it says. " do not travel this road after dark"....ok the GPS didn't know there was a fork but I will go the other way....2 hours later 85 miles in. The fuel will be gone any minute ...that is... if the engine doesn't vapor lock from the steep angle before that. wait I see lights. I'm down..... there is civilization.....there is gas........, I AM ALIVE and PIONEER SUX!!!!!!!!!!!!!! A few days later I sent pioneer an email complaining about their product..... of course.....you guessed it....... why did I waste my time.