Optoma Projector Instructions Manual page 38

Logo
Use this function to set the desired startup screen. If changes are made they
will take effect the next time the projector is powered on.
Default: The default startup screen.
Neutral: Neutral startup screen.
Closed Captioning
Use this function to set the desired startup screen. If changes are made they
will take effect the next time the projector is powered on.
Off: select "Off" to turn off the closed captioning feature.
CC1:CC1 language: American English.
CC2:CC2 language (depending on the TV channel of the user):Spanish,
French, Portuguese, German, Danish.
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