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5
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Last Post
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Jun 21, 2009 1:18 PM
by: BobP1776
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Posts:
146
Registered:
Jan 3, 2007
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recalibrate compass?
Posted:
Jun 20, 2009 4:52 AM
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I noticed it was off by a few degrees and was wondering if anyone knew how to recalibrate it?
24inch 3.06Ghz iMac. 4 gigs of RAM. 1TB HD.
Mac OS X (10.5.6)
Hp Pavilion dv7t. Windows Vista Ultimate 64 bit.
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Posts:
616
Registered:
Oct 4, 2001
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Re: recalibrate compass?
Posted:
Jun 20, 2009 5:20 AM
in response to: panther007
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Helpful
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It says by moving it in a figure 8 pattern.
iMac 2.8 Ghz, 4 GB
Mac OS X (10.5.7)
iPhone 3GS 32 GB
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Posts:
146
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Jan 3, 2007
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Re: recalibrate compass?
Posted:
Jun 20, 2009 5:35 AM
in response to: Rothrock
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ok thanks. I thought that only worked once.
I will try it later when im away from my other electronics.
24inch 3.06Ghz iMac. 4 gigs of RAM. 1TB HD.
Mac OS X (10.5.6)
Hp Pavilion dv7t. Windows Vista Ultimate 64 bit.
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Posts:
6,112
From:
San Diego, CA
Registered:
Dec 31, 2004
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Re: recalibrate compass?
Posted:
Jun 20, 2009 11:06 AM
in response to: panther007
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Helpful
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"The compass needs to be calibrated the first time you use it, and may need to be calibrated occasionally after that. iPhone alerts you whenever calibration is needed."
Could your difference be the difference between true north and magnetic north?
Switch between true north and magnetic north: Tap the circled i symbol and tap the setting you want.
See this: http://www.apple.com/iphone/how-to/#compass.getting-compass-readings
24" iMac 2.8GHz Intel Core Duo
Mac OS X (10.5.7)
iPhone 3G S - 5 iPods
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Posts:
146
Registered:
Jan 3, 2007
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Re: recalibrate compass?
Posted:
Jun 20, 2009 4:13 PM
in response to: Jim VanLeeuwen
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I think my problem is due to I wasnt in a open field area.
I was moving it in a figure 8, facing West... and I didnt know the 2 laptops near me were on. And I had 2 ipod touches that were in sleep mode near me.
It is off by about 10 or so degrees in both Magnetic and true north.
24inch 3.06Ghz iMac. 4 gigs of RAM. 1TB HD.
Mac OS X (10.5.6)
Hp Pavilion dv7t. Windows Vista Ultimate 64 bit.
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Posts:
596
Registered:
Oct 27, 2007
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Re: recalibrate compass?
Posted:
Jun 21, 2009 1:18 PM
in response to: panther007
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There is also a support note up now that talks about situations, such as in a car, where doing the figure 8 wave is NOT the right answer due to inherent interference in the car. The support note suggests leaving the iPhone alone -- ignoring the calibration screen if it comes up -- and just keep driving. It says that "after a few turns" the compass should sort itself out on its own.
http://support.apple.com/kb/TS2767
--Bob
Powerbook G4 17" (1.5 GHz)
Mac OS X (10.5.7)
iPhone 3GS OS 3.0 -- Mac iTunes 8.2
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