Sharp C6400U Service Manual page 112

LC-52/60/70LE640U/C6400U,LC-80LE633U/844U (1st Edition)
15)PUBLIC MODE (ON/OFF)
Selection Selection between "ON" and "OFF" (loop provided)
Default OFF
Explanation In case of "ON", public mode settings are effected.
Limit in Setting None
Exception None
Remarks The public-mode settings are operable only when this item is set at ON.
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