| 摘要 |
By helping key input using a key backlight of a terminal apparatus to improve operability of the terminal apparatus. The terminal apparatus comprises input keys configured to detect pressing conducted thereon respectively, key backlights each of which emits a plurality of colors of light to shine corresponding one of the input keys, and a backlight controller configured to control the plurality of colors of light independently for each of the key backlights, wherein the backlight controller causes the key backlights to emit light of a first color in a case where an input key out of the input keys detects pressing thereon, and changes an emission color of a key backlight corresponding to the input key detecting the pressing from the first color to a second color when a state of the pressing becomes a predetermined state.
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