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Aswecreateourscreenswewillwanttodesignateabuttonforeachoneofthese
functionsyouwillseeasamplescreenfortheDVDbelow.
Inthescreenabove,youwillseebuttonsforvolumeandmute.Theseareglobal
buttons.WiththeFLEXwecanhavefunctionsworkonmultiplescreens.
STEPTHREE:Screens
Thenextstepistodeterminewhatscreenswewantinourcontrolsystem.Ina
typicalsystemwewantascreenforeverygroupoffunctionswearegoingto
control.Forexamplewewillhaveascreenforinputselection.Wemaynothavea
screenforeverydevice.Forexampleifwe’reusingaswitcherforsourceselection
wemaynothaveascreenforourdisplay.
Wealsoneedtodetermineifweneedadditionalscreensforadevice.Forexample
youmaywanttwoscreensforDVDcontrol.Thefirstscreenisfortransportcontrols
andasecondscreenformenunavigation.Anexampleofthisisshownbelow.