04-12-2002, 01:44 PM
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Contributing Editor Emeritus
Join Date: Jun 2003
Posts: 1,350
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Bright Light, Slow iPAQ
http://www.pocketpc-club.nl/forum/viewtopic.php?topic=928&forum=5&13
Roel from the leading Dutch Pocket PC site PocketPC-club.nl found some peculiar behavior in his iPAQ 3800. When placed in the carholder on the dashboard of his car, the iPAQ would slow to a crawl if the sun was shining on the iPAQ. Placing the iPAQ in the shade would speed things up again. After some deduction by the other forum members, they found that the IR receive was causing this behavior. By standard on the Pocket PC 2002 the Pocket PC is looking for incoming IR beams. Switching off the auto reception ( Start | Settings | Connections | Beam | deselect "Receive all incoming beams and select discoverable mode" ) stopped this behavior. Did any of you experience this? On other devices as well?
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04-12-2002, 03:08 PM
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Intellectual
Join Date: Feb 2002
Posts: 147
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Not on...
My E-200 had that checkbox cleared by default.
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Jonathan Rogers
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04-12-2002, 03:10 PM
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Contributing Editor Emeritus
Join Date: Jun 2003
Posts: 1,350
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Interesting. Both my Jornada 565 and my iPAQ 3870 had it enabled.
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04-12-2002, 03:19 PM
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Editorial Contributor
Join Date: Jun 2007
Posts: 5,411
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My Jornada had it enabled by default as well. There were some early reports that leaving it that way was a battery drain as well, so it got turned of a long time ago. Maybe the drain issue was associated with trying to process stray IR rather than IR receivers being powered on.
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04-12-2002, 03:40 PM
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Intellectual
Join Date: Aug 2006
Posts: 194
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This is supposed to be Pocket PC 2002 Default
The default, for what I've heard, is checked. I've also seen it like this both with my upgraded Ipaq and with my Jornada 568 when it arrived brand new to my home.
I use as standard procedure to de-activate it as first step, since it has quite a nasty effect on the battery, too. You can increase your operating time by 15% with this switch turned off!!!
Regarding the sun effect: we all know that the sunlight contains infrared rays. Maybe direct sunlight into the Irda eye as it happens when the PPC is in a car holder should bring the IR intensity to a level where the PPC would think there is another device trying to "talk" to it. Very logical, very curious...
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04-12-2002, 03:45 PM
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Contributing Editor Emeritus
Join Date: Jun 2003
Posts: 1,350
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I kinda like the idea of my iPAQ talking to the universe.....
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04-12-2002, 04:22 PM
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Contributing Editor Emeritus
Join Date: Aug 2006
Posts: 8,228
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Quote:
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Originally Posted by Marlof Bregonje
I kinda like the idea of my iPAQ talking to the universe.....
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It is receiving instructions for to aid in your assimilation.
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04-12-2002, 04:50 PM
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Neophyte
Join Date: Apr 2002
Posts: 5
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I never knew I had a problem before, but now that I switched off the receive all incomming beams my 3835 is much faster. I just thought it was the nature of the Pocket PC OS to be sluggish. I routinely did soft resets everytime it got too slow, but I never made any connections with extreme slowness in bright places. And I've been too busy struggling with my erratic backlight problems.
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04-12-2002, 05:53 PM
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Intellectual
Join Date: Feb 2002
Posts: 147
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Can someone else with an E-200 confirm that this is cleared by default? I'd never even looked at the setting before I read this thread, and when I went in to turn mine off, it was already unchecked.
If it's not the default, then I can only assume that the Casio tech or rep or someone changed the setting. Wierd...
Jon
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Jonathan Rogers
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04-12-2002, 10:24 PM
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Pupil
Join Date: Feb 2002
Posts: 43
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My Casio had an [infamous spontaneous] hard reset a few days ago, so I was able to check the default setting, because I know I hadn't tinkered with it yet.
It was on, just like the other PPC2002 devices.
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Linear Mode
