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Garmin 547XS With Polarized Sunglasses

Old 07-12-2014, 06:32 AM
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Default Garmin 547XS With Polarized Sunglasses

Wonder if anybody else has had this issue....

Took my brand new Garmin 547XS out on the water yesterday and found that there is polarization on the 547XS screen. Since is was bright out, I had to wear my sunglasses which are polarized. The polarization conflict is such that I have to tilt my head (glasses) 45 degrees to the left to get the proper screen brightness. With my head straight up, the brightness is greatly diminished. Had to tilt my head a lot. I kind of felt like the RCA Victor dog (for those old enough to remember). It was extremely annoying. Once home, I tried about 6 pairs of polarized sunglasses with the 547 and all of them had to be rotated exactly 45 degrees to the left (CCW) to get the brightness to be correct. If rotated 45 degrees to the right, the screen was completely black. I'll call Garmin when they are open for calls.

Anybody else?
Old 07-12-2014, 06:41 AM
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You need to get some sunglasses with a different polarization angle.
Old 07-12-2014, 07:07 AM
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Originally Posted by abbor View Post
You need to get some sunglasses with a different polarization angle.
Don't know how I'd do that without spending a lot of money. My prescription glasses already cost a lot. Can polarization taken off and re-applied? ALL of my prescription and non-prescriptions (clips and "over-glasses") are the same. That's about 6 or 7 pairs.
Old 07-12-2014, 07:40 AM
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Originally Posted by mrmamiller View Post
I kind of felt like the RCA Victor dog (for those old enough to remember).
Nipper. Unfortunately I am old enough to remember the pooch.

For those that don't

Old 07-12-2014, 09:08 AM
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With my 547xs I noticed that if I tilt my head 45 degrees to either side, I lose the screen...it is only visible when my head is straight up and down with my Maui Jim's on. The furuno 627 sitting next to it is visible from all angles with the glasses on.
Old 07-12-2014, 09:14 AM
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Another reason that I'm considering the furuno 1870f. That is aggravating as hell. My lowrance is the same way
Old 07-12-2014, 09:31 AM
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Originally Posted by Darian View Post
With my 547xs I noticed that if I tilt my head 45 degrees to either side, I lose the screen...it is only visible when my head is straight up and down with my Maui Jim's on. The furuno 627 sitting next to it is visible from all angles with the glasses on.
Darian, That's the way I expected my 547XS to behave. Your way would be correct. If yours works properly and mine doesn't, and they're identical models, I think I have a case for getting it fixed. Thanks for the info!
Old 07-12-2014, 02:53 PM
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This is the same reason pilots typically don't wear polarized sunglasses. However, I do understand the many benefits of polarized sunglasses when out on the water.
Old 07-13-2014, 12:20 AM
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Well, this is the way polarisation works, it dampens reflected light. Se this https://www.polarization.com/water/water.html
So, since the screen has antiglare polarisation, it interferes with polarized eye wear.
Old 07-13-2014, 08:48 AM
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I have a 547xs somewhere in the UPS system...I stopped at West Marine today to have a look, and I didn't have any problems looking at the unit...hopefully we'll be good to go when mine arrives!
Old 07-13-2014, 12:59 PM
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Just keep tilting your head. It happens.
Honestly, don't spend as much time looking at the screen vs the water.
Old 07-14-2014, 09:01 AM
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Just got off the phone with Garmin. The tech had never heard anything concerning polarization of the screen and wasn't sure if anything could be done about it, thinking it could be random. My 547XS is going back to Garmin anyway (other issues) and the tech doubted that anything would be done about the polarization. My replacement unit would just be pulled from stock. If it is the same way, guess I'll just have to turn the brightness up all the way manually (uses a lot of power is the problem with that). Cheers, Mark

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