▁click ▁se lections ▁and ▁variable ▁fields . ▁In ▁ 1 9 8 4 ▁the ▁Apple ▁Mac int osh ▁in ▁its ▁initial ▁release ▁made ▁use ▁of ▁fundamental ▁graph ic ▁representation ▁of ▁a ▁" control ▁panel ▁board " ▁im it ating ▁the ▁operation ▁of ▁slider ▁controls , ▁on / off ▁buttons ▁ ▁and ▁radio - select ▁buttons ▁that ▁correspond ed ▁to ▁user ▁settings . ▁ ▁Function ality ▁ ▁There ▁are ▁many ▁tasks ▁grouped ▁in ▁a ▁control ▁panel : ▁ ▁Hard ware ▁▁ ▁Color ▁ ▁Color ▁management ▁ ▁Computer ▁displays ▁ ▁Bright ness ▁ ▁Con tr ast ▁ ▁Color ▁cal ibration ▁ ▁Energy ▁saving ▁ ▁G amma ▁correction ▁ ▁Screen ▁resolution ▁and ▁orientation ▁ ▁Graphics ▁table t ▁ ▁Key board ▁ ▁Short cut s ▁and ▁bind ings ▁ ▁Language ▁and ▁layout ▁ ▁Text ▁cursor ▁appearance ▁ ▁Mouse ▁and ▁touch pad ▁ ▁Power ▁management ▁ ▁Energy ▁saving ▁ ▁B atter y ▁usage ▁ ▁Display ▁bright ness ▁ ▁Power ▁button ▁actions ▁ ▁Power ▁plans ▁ ▁Pr inter s ▁and ▁sc ann ers ▁ ▁Sound ▁ ▁Network ing ▁▁ ▁Bl uetooth ▁connection ▁and ▁file ▁exchange ▁ ▁E ther net ▁connection ▁ ▁Internet ▁Account s ▁ ▁E - mail ▁integration ▁ ▁Social ▁media ▁integration ▁ ▁Wi - Fi ▁connection ▁ ▁System - wide ▁proxy ▁ ▁Security ▁▁ ▁Cert ific ates ▁and ▁password ▁management ▁ ▁Fire wall ▁ ▁Files ystem ▁encryption ▁ ▁Priv acy ▁ ▁File ▁indexing ▁and ▁event ▁tracking ▁ ▁Data ▁sharing ▁ ▁System ▁▁ ▁Login ▁window ▁ ▁System ▁information ▁ ▁Host name ▁ ▁System ▁time ▁ ▁Calendar ▁system ▁