Wintal STB1HD - Manual (Page 8)

Keys specification
Press to turn the receiver on/off
Select a channel or to enter a number in menus
Switch back to previous channel.
Call the main menu, close current window and return to viewing.
Return to the previous menu screen or exit main menu.
Move cursor up / change channel up
Move cursor down / change channel down
Move cursor left or right / turn volume down or up.
Press to display the program guide
Cycle through different screen sizes to match your screen type
Press to display the audio language menu
Press to display the picture adjust menu
Used to move programs in the edit programs menu
Mute / unmute sound.
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