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Chapter 5: Input Methods
Characters made accessible using red and blue Shi keysTable 5-24.
Unshifted key Red Shift key Blue Shift key
⌍⌌
⌍⌌
⌍⌌
⌍⌌ ⌍⌌ ⌍⌌
⌍⌌ ⌍⌌
⌍⌌
⌍⌌ ⌍⌌ ⌍⌌
⌍⌌ ⌍⌌ ⌍⌌
Hangul Keyboard Arrays
Hangul syllables (and hanja) are input through the basic hangul elements, jamo. Up
to four jamo comprise a complete hangul syllable (also referred to as precombined or
precomposed hangul). A complete hangul syllable can also correspond to a single hanja, in
which case a hangul-to-hanja conversion dictionary is necessary. Of course, better hangul-
to-hanja conversion dictionaries also provide word-based conversion, which is much
more ecient than character-based. ere are several hangul keyboard arrays available,
most of which are described and illustrated in the next sections. e most broadly used
Korean keyboard is the KS array.
KS array
e most common hangul keyboard array, known as the KS array, is documented in the
standard designated KS X 5002:1992, Keyboard Layout for Information Processing (
jeongbo cheoriyong geonban baeyeol), which was originally established