To use these location codes to type Simplified Chinese, proceed as shown in the following example:
In a new Terminal (for example), which first appears with a blank status area, turn Simplified Chinese input conversion on by pressing Control-spacebar.
Turn on Location code input mode by pressing Control-A or F2.
The status area then shows Location mode is on.
Type in the first three of the four digits that represent the character to display (in this example, 1601).
The digits remain visible in the preedit area.
Type the fourth digit.
The character automatically replaces the preedit area: