Use the following procedure to add a Hanja word to the Hangul–Hanja dictionary.
Click the Add button of the main screen to bring up the Add/Modify dialog box.
Type a new word or change the existing word in the Add/Modify dialog box. Then use Control-K to commit the Hangul characters you want to associate with the Hanja in your dictionary.
In the Hanja field, type the Hanja associated with the Hangul that you want to add to your dictionary.
Use the character-by-character methods described in Using Hangul/Hanja Conversion to Enter Hanja.
Click the Add button.
A display such as the following appears.
The line beneath the status area tells you the word was added to the User Dictionary. The User Dictionary is changed. The read-only System Dictionary cannot be changed.