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+--- Thread: HP 12C how to replace the 3 LR44 batteries? (/thread-17889.html)
HP 12C how to replace the 3 LR44 batteries? - albertop - 01-04-2022 06:19 PM
Hi guys, I have lost the manual of my very old HP 12C and I don't remember the sequence to replace the 3 LR44 batteries without losing the programming.
Can anyone help me ?
Thank you !!
RE: HP 12C how to replace the 3 LR44 batteries? - Stevetuc - 01-04-2022 11:18 PM
(01-04-2022 06:19 PM)albertop Wrote: Hi guys, I have lost the manual of my very old HP 12C and I don't remember the sequence to replace the 3 LR44 batteries without losing the programming.
Can anyone help me ?
Thank you !!
Page 261 of the original hp15c usersguide shows the procedure,
https://literature.%%calc.org/items/582
Please insert hp for %% in the link above. For some reason shrouded in the mists of time, direct references to that site are taboo here.
RE: HP 12C how to replace the 3 LR44 batteries? - Massimo Gnerucci - 01-04-2022 11:22 PM
(01-04-2022 11:18 PM)Stevetuc Wrote:(01-04-2022 06:19 PM)albertop Wrote: Hi guys, I have lost the manual of my very old HP 12C and I don't remember the sequence to replace the 3 LR44 batteries without losing the programming.
Can anyone help me ?
Thank you !!
Page 261 of the original hp15c usersguide shows the procedure,
https://literature.%%calc.org/items/582
Please insert hp for %% in the link above. For some reason shrouded in the mists of time, direct references to that site are taboo here.
Not at all. It's another the forbidden one! ;)
https://literature.hpcalc.org/items/582
But why not point directly to the 12C manual? And, since Alberto is a fellow italian member here's the link (pp. 219 ff.)
https://literature.hpcalc.org/community/hp12c-oh-it.pdf
RE: HP 12C how to replace the 3 LR44 batteries? - Leonid - 01-05-2022 08:15 AM
Outcome - is a direct link to the Batterie page
https://literature.hpcalc.org/community/hp12c-oh-it.pdf#page=225
(from https://helpx.adobe.com/acrobat/kb/link-html-pdf-page-acrobat.html)
RE: HP 12C how to replace the 3 LR44 batteries? - Massimo Gnerucci - 01-05-2022 08:27 AM
(01-05-2022 08:15 AM)Leonid Wrote: Outcome - is a direct link to the Batterie page :)
https://literature.hpcalc.org/community/hp12c-oh-it.pdf#page=225
(from https://helpx.adobe.com/acrobat/kb/link-html-pdf-page-acrobat.html)
An elegy to laziness! :)
Thanks.
RE: HP 12C how to replace the 3 LR44 batteries? - albertop - 01-05-2022 09:48 AM
Thanks Guys, you were very kind !!
Have a nice day and a happy new year