Tv functions except teletext function, 1 . recall : return to last viewed program, 2 . zoom : adjust displayable aspect ratio – Changhong Electric LT1512E User Manual
Page 11: 3 . power on/off : switch on or off tv set, 9 . p+ : scroll to next channel, 10 . p- : scroll to previous channel, 11 . v- :decrease audio volume, 12 . v+ : increase audio volume, 13 . ok : select or confirm menu item, 14 . display : show info of current program

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TV Functions Except Teletext Function
1 . RECALL : Return to last viewed program
2 . ZOOM : Adjust displayable aspect ratio
3 . POWER ON/OFF : Switch on or off TV set
4 . 0-9 Channel Keys : Key in the alphanumeric digits to switch to the designated channel
directly
5 . TV/AV : Toggle between different signal sources available
6 . MENU : To go to the On Screen Display(OSD) menus
7 . P MODE : Select different modes of picture settings
8 . S MODE : Select different modes of sound settings
9 . P+ : Scroll to next channel
10 . P- : Scroll to previous channel
11 . V- :Decrease audio volume
12 . V+ : Increase audio volume
13 . OK : Select or confirm menu item
14 . DISPLAY : Show info of current program
15 . SLEEP : Select time of TV to sleep mode
16 . MUTE : Mute sound
17 . ∞I/II: Select between mono/stereo sound or dual I/II soundtrack
18 . HOLD : Freeze screen