Casio SF-3990 Support Questions
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Most Popular Casio SF-3990 Questions
Data Error
after repalacing old battery one by one, a 'DATA ERROR' message comes on home page, how can I resolv...
after repalacing old battery one by one, a 'DATA ERROR' message comes on home page, how can I resolv...
Casio Digital Diary Sf 3990 Show Data Error
casio digital diary show data error
casio digital diary show data error
Found That Data Error How To Remove. ..?
I have casio digital diary one error occurred while processing any key data error so pls kindly sugg...
I have casio digital diary one error occurred while processing any key data error so pls kindly sugg...
Erro Dados!
screen shows ERROR DADOS!
screen shows ERROR DADOS!
I Would Like To Know To Use A Diary Digital Sf3990
i would like to know how to use a digital diary model sf 3990
i would like to know how to use a digital diary model sf 3990
Casio SF-3990 Answers
How To Reset Casio Digital Diary Sf -3990
To reset the Casio SF-3990, please follow these steps: 1. Locate the RESET button . It is usually fo...
To reset the Casio SF-3990, please follow these steps: 1. Locate the RESET button . It is usually fo...
Casio Digital Diary Sf-3990
See https://www.instructionsmanuals.com/sites/default/files/2019-02/Casio-SF3990-en.pdf, starting wi...
See https://www.instructionsmanuals.com/sites/default/files/2019-02/Casio-SF3990-en.pdf, starting wi...
Reset Casio Digital Dairy
Press the RESET button. "RESET? Y/N" appears on the display. The reset message appears in one of the...
Press the RESET button. "RESET? Y/N" appears on the display. The reset message appears in one of the...
Battery Was Dead For Long Time. After Replacing Erro Dados!
To replace batteries please head over to page number 3 in the manual.Please click the link below for...
To replace batteries please head over to page number 3 in the manual.Please click the link below for...
Found That Data Error How To Remove. ..?
Hi. You will need to push the reset button at the back. See the manual here https://www.helpowl.com/...
Hi. You will need to push the reset button at the back. See the manual here https://www.helpowl.com/...
All Casio SF-3990 Questions
How To Reset Casio Digital Diary Sf -3990
(Posted by Pradipchavda3 7 months ago)
Casio Digital Diary Sf-3990
My casio Digital Diary model number SF-3990 keeps showing REINIT? O/N after being reset first and do...
My casio Digital Diary model number SF-3990 keeps showing REINIT? O/N after being reset first and do...
(Posted by burtonrichard540 1 year ago)
Reset Casio Digital Dairy
How to reset casio digital dairy Sf-3900 128KB
How to reset casio digital dairy Sf-3900 128KB
(Posted by Anonymous-172585 1 year ago)
Battery Was Dead For Long Time. After Replacing Erro Dados!
battery was dead for long time. after replacing ERRO DADOS!
battery was dead for long time. after replacing ERRO DADOS!
(Posted by issaa1331 4 years ago)
Hung Screen
When I Switch On Screen Shows Data Error. Then Key Board Becomes Inactive Even I Am Unable To Switch...
When I Switch On Screen Shows Data Error. Then Key Board Becomes Inactive Even I Am Unable To Switch...
(Posted by alokjyotibhowal 8 years ago)
Casiosf3600er
I have put new batteries in and reset casio sf3600er but memory shows 32647 used but no records in d...
I have put new batteries in and reset casio sf3600er but memory shows 32647 used but no records in d...
(Posted by abent2273 10 years ago)
Is There Any Way To Extend Memory For Casio Digital Diary Sf-3990?
I would like to know, is there any way to extend memory for Casio Digital Diary SF-3990. Currently i...
I would like to know, is there any way to extend memory for Casio Digital Diary SF-3990. Currently i...
(Posted by skko4499 10 years ago)
When I Try To Save Something The Error Message 'full' Is Coming
When I Try To Save Something The Errore Message 'full' Is Coming
When I Try To Save Something The Errore Message 'full' Is Coming
(Posted by kkalyanrama 10 years ago)
Recover Lost Memory?
bymistake i reset my diary Casio SF-3990 128 KB and i lost my data, how can i get back my data?
bymistake i reset my diary Casio SF-3990 128 KB and i lost my data, how can i get back my data?
(Posted by drbhartesh 11 years ago)
Error Dados
i have a problem in my digital dary related to the error dados and no function work properlly
i have a problem in my digital dary related to the error dados and no function work properlly
(Posted by kgctt12 11 years ago)
How To Replace Battery In Nodel No 3990
(Posted by govil09 11 years ago)
The Price Sf-3990
Could you please let me know the price and where to get it?
Could you please let me know the price and where to get it?
(Posted by atokbedu 11 years ago)
Password Forgotton
I have forgotton the password, show Data error. Kindly advice.
I have forgotton the password, show Data error. Kindly advice.
(Posted by sfitirupur 11 years ago)
Manual Digital Diary Sf 3990
por favor enviar a mi correo el manual de la digital diary sf 3990
por favor enviar a mi correo el manual de la digital diary sf 3990
(Posted by DIOS 11 years ago)