> I know of a pinout for a very similar device:
 > http://web.it.kth.se/~maguire/iPAQ-photos/iPAQ-audio-adapter.html

Thanks! That confirmed my info about the pinout. The PDF was "quite" in 
depth.

Gopi Flaherty wrote:
> On Sep 4, 2007, at 7:24 PM, Jami Pekkanen wrote: 
> Perhaps measuring the impedance of the headset first, then putting 
> resistors on to your device, and then taking them off one by one to see 
> which was necessary would work?

I came to conclusion also, that there must be a resistor (after day of 
hacking, I'm not too great in electronics ;). Unfortunately I don't have 
a multimeter handy.

Could somebody do a favor and measure the impedance between the third 
and the fourth pole (counting from the tip) of the headset's plug?

- Jami
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