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Customer Review

5 of 7 people found the following review helpful
4.0 out of 5 stars Careful if you have polarized sunglasses, January 14, 2012
Verified Purchase(What's this?)
This review is from: JVC KDR820BT Wireless Bluetooth Dual USB-CD Receiver (Wireless Phone Accessory)
Feature-wise, there's nothing to complain about. I spent quite a while researching bluetooth-enabled head unit before choosing the JVC KDR-820BT. It installed into my 2002 Ford F-150 with no problems (I already had a wiring harness adaptor and DIN mount kit from a previous Kenwood). Here are a few things that aren't in the manual:

First, if you wear polarized sunglasses, this head unit may cause problems. As you know, polarization blocks all light that isn't of a certain orientation to the lense (this is how they reduce glare). Well, the unit's LCD has a polarization is precisely opposite of my lenses. So, when I look at the screen, it's completely black. I have to rotate my head a bit (imagine a dog cocking its head at you) in order to see it. I do not know if all polarized lenses have the same orientation, though I suspect this is the case.

Secondly, there is no pause functionality when playing music from the iPhone 4S via BT. I have no idea how a head unit that advertises AVCRP 1.3 gets away with this. It can do skip, rewind/ffwd, show the song information, etc, but can't pause? Surely I'm missing something--but I can't figure it out.

Lastly, it takes about 30 seconds when switching to an iPhone source (either via USB or BT) before you can start playing. During this time, the head unit is reading the song information, etc. May or may not be an issue for you.
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Showing 1-5 of 5 posts in this discussion
Initial post: Apr 10, 2012 12:14:14 PM PDT
O. Wilson says:
Thank you for the heads-up on polarization. Can you reccommend any units with similar features that work with polarized sunglasses?

In reply to an earlier post on Apr 10, 2012 5:32:27 PM PDT
Last edited by the author on Apr 10, 2012 5:33:27 PM PDT
FernoUMR says:
Unfortunately, no. Sadly, I think you'd have to check out other models in person to find one that works.

In reply to an earlier post on Apr 10, 2012 6:07:00 PM PDT
O. Wilson says:
Ok, thanks for letting me know.

Posted on Jul 6, 2012 9:32:57 AM PDT
C. Cameron says:
I have the same unit and the same problem with my polarized lenses. I just look underneath them to see the screen.

As for the pausing issue via BT...have you tried pressing the menu button to pause? I found on my Android device by pressing the menu button it pauses where the big round knob still mutes.

In reply to an earlier post on Jul 6, 2012 12:47:00 PM PDT
FernoUMR says:
Unfortunately, I have prescription glasses--I can't see that far if I look under them :-)

Good point about using the phone to pause. You can use the iPhone's music controls to pause (and do whatever else). It still doesn't make any sense to have to fall back to that when all the other navigation controls function on the unit.
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