Lenovo IdeaCentre B540 User Manual page 31

Button Description
Display and select the available video sources.
Turn the TV on and off.
Alternate the video between the main picture and sub-
picture.
Alternate the audio between the main picture and sub-
picture.
Picture in Picture
ATSC & ATV model: Press to select additional channels
being broadcast by the same station.
DVB-T model: Enter the password to access a channel
locked by the Child Lock function.
Return to the previous channel.
Display information on the TV screen.
Select the picture mode.
Move the cursor to navigate and select options.
Confirm a setting
Press to directly access channels.
Display the main on-screen menu.
Return to the previous menu.
Adjust the volume.
Turn the TV sound off.
Change channels.
Freeze the screen.
C.C. : Control the caption decoder. (ATSC)
SUB : Display digital subtitles. (DVB-T)
Not available on ATV models.
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User Guide