How do you get rid of begin setting - HP 12c Calculator

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You cannot get rid of it. It is there for security purposes.

Restore factory settings (if you can) and start from the beginning.

Fujitsu simens back to factory settings

Downloads & Disks Regarding The Reset Factory Settings Fujitsu Amilo Li 2727
http://www.user-guides.co.uk/download/reset/resetfactory/reset-factory-settings-fujitsu-amilo-li-2727.html
Fujitsu Laptop to Factory Settings
Restoring the factory settings on your Fujitsu laptop is a great way to get rid of files associated with programs that have been removed from your computer that are taking up space and get rid of pesky viruses that you can't remove from your machine by any other means.
Restoring the factory settings on your laptop can also help resolve problems with an unstable laptop.
You should also restore the factory settings on your laptop if you plan on selling it or giving it to a family member or friend.

Restart or turn on your Fujitsu laptop. Press "F12" repeatedly when the Fujitsu logo appears on the screen to be redirected to the Boot Menu.
Highlight "Recovery and Utility" using the arrow keys on the keyboard, then press "Enter."
A progress bar will appear at the bottom of the screen while the computer is loading the recovery files.
When the files have been loaded, the System Recovery Options window will be displayed.


Select a keyboard layout, then click "Next." The Operating System dialog box appears.
Choose "Use recovery tools...," then click "Next." If prompted, type your administrator password, then press "OK." The System Recovery Options window will appear again.


Select the "Recovery" tab, then click "Restoring the Factory Image (only C:\drive)."
The restoration process will begin, and the laptop will be restored to its original factory settings.
When the process is complete, the computer will automatically restart and boot up to the Windows Setup screen.
Begin personalizing your copy of Windows.

Using Boot Disc

Restart or turn on your Fujitsu laptop. Press "F12" repeatedly when the Fujitsu logo appears on the screen to be redirected to the Boot Menu.


Highlight "CD/DVD" using the arrow keys, then press "Enter."
Place the boot disc that came with your Fujitsu laptop in the optical drive, then click "OK."
A progress bar will appear at the bottom of the screen while the computer is loading the recovery files. When the files have been loaded, the System Recovery Options window will be displayed.


Select a keyboard layout, then click "Next."
Click "Next" when the Operating System dialog box appears.
If prompted, type your administrator password, then select "OK."
The System Recovery Options window will appear again.


Click "Recovery and Utility" when the System Recovery Options window opens, then select the "Recovery" tab.
Click "Restoring the Factory Image (only C: drive)."
The restoration process will begin, and the laptop will be restored to its original factory settings.
When the process is complete, the computer will automatically restart and boot up to the Windows Setup screen. Begin personalizing your copy of Windows.


Saving and recovering your factory and system images.
http://solutions.us.fujitsu.com/www/content/pdf/SupportGuides/HDD Restore Generic-Multi-lang B6FJ-3031-03EN-00.pdf

Press g [END] to set payments at the end of a period instead of at the beginning.

The f and g indicate that the specified prefix key has been pressed. Simply go ahead and press the key to complete the function. To cancel the prefix key, press f [CLEAR PREFIX] (f ENTER).

The BEGIN indicates that payments are made at the beginning of each period. To change to the End setting, press g [END] (g 8), and the BEGIN will disappear from the screen.

To set the calculator to FIX 2 display format, press f 2.

To turn speaker phone ON/OFF during a call, press and hold navigation "OK" button.

To set ring tone go to 9. Profiles > select > Personalize > Call Alert Type.

Good luck!

you can use the code book to clear any prefixes that may have been set on the scanner or you can try a factory reset (using the code book)