Does anyone know the purpose of the socket at the bottom end of the TI 82? I thought perhaps it was for attaching an external 6 volt DC supply but there's no mention of this in the manual.
TI 82 socket
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08-22-2012, 01:03 PM
08-22-2012, 01:47 PM
Probably unit to unit communication. TW
08-22-2012, 03:14 PM
No, it's a standard 2.5 mm TRS connector (stereo audio jack) for Calc to Calc communication and Calc to PC via the TI connectivity kit , (see also this).
08-22-2012, 04:33 PM
Thanks for the replies. I was about to feed in 6 volts and see if any smoke appeared.
08-22-2012, 06:19 PM
Hi. I guess it would not toast anything, but it is indeed a comms port. Keep in mind that most of the low-power, portable C-MOS gadgets do not have a DC outlet... Earlier LED-display calculators used to have it, either for battery charging (mostly) or external DC-operation, but their power consumption was somehow demanding. Cheers. Luiz (Brazil)
08-22-2012, 11:37 PM
I suppose I was thinking back to when calculators needed regular recharging. As much as I like LED displays they did have disadvantages, particularly when you tried to read them outside in bright sunlight.
08-24-2012, 09:34 AM
That's one of the many great things about the HP 50g...it can run until doomsday on external power supplied through the USB port. |
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