Virtual Key Identifiers for Television Input

List of Virtual Key Identifiers for Television Input
Name O C A M E R Description
VK_APPS ✓ Toggle display of available (interactive) application list.
VK_BALANCE_LEFT ✓ ✓ ✓ Adjust audio balance leftward.
VK_BALANCE_RIGHT ✓ ✓ ✓ Adjust audio balance rightward.
VK_BASS_BOOST_DOWN ✓ ✓ ✓ Decrease bass boost or cycle down through bass boost states.
VK_BASS_BOOST_UP ✓ ✓ ✓ Increase bass boost or cycle up through bass boost states.
VK_BLUE ✓ ✓ ✓ Equivalent to VK_COLORED_KEY_3.
VK_BROWN ✓ Equivalent to VK_COLORED_KEY_5.
VK_CHANNEL_DOWN ✓ ✓ ✓ ✓ ✓ Select next (numerically or logically) lower channel..
VK_CHANNEL_UP ✓ ✓ ✓ ✓ ✓ Select next (numerically or logically) higher channel.
VK_CLEAR_FAVORITE_0 ✓ ✓ ✓ Clear program or content stored as favorite 0.
VK_CLEAR_FAVORITE_1 ✓ ✓ ✓ Clear program or content stored as favorite 1.
VK_CLEAR_FAVORITE_2 ✓ ✓ ✓ Clear program or content stored as favorite 2.
VK_CLEAR_FAVORITE_3 ✓ ✓ ✓ Clear program or content stored as favorite 3.
VK_DIMMER ✓ ✓ ✓ Adjust brightness of device, may toggle between or cycle through states.
VK_DISPLAY_SWAP ✓ ✓ ✓ Swap video sources.
VK_EXIT ✓ ✓ ✓ Exit current state or current application (as appropriate).
VK_FADER_FRONT ✓ ✓ ✓ Adjust audio fader towards front.
VK_FADER_REAR ✓ ✓ ✓ Adjust audio fader towards rear.
VK_FAST_FWD ✓ ✓ ✓ ✓ ✓ ✓ Initiate or continue forward playback at faster than normal speed, or increase speed if already fast forwarding.
VK_GO_TO_END ✓ ✓ ✓ Seek to end of media or program.
VK_GO_TO_START ✓ ✓ ✓ Seek to start of media or program.
VK_GREEN ✓ ✓ ✓ Equivalent to VK_COLORED_KEY_1.
VK_GREY ✓ Equivalent to VK_COLORED_KEY_4.
VK_GUIDE ✓ ✓ ✓ ✓ ✓ ✓ Toggle display of program or content guide.
VK_HELP ✓ ✓ ✓ ✓ Toggle display of help information.
VK_INFO ✓ ✓ ✓ ✓ ✓ ✓ Toggle display of information about currently selected media.
VK_INSTANT_REPLAY ✓ Toggle instant replay.
VK_LAST ✓ ✓ ✓ Select previously selected channel (or media).
VK_LIST ✓ Toggle display listing of currently available content or programs.
VK_LIVE ✓ ✓ Toggle display listing of currently available live content or programs.
VK_LOCK ✓ Lock or unlock current content or program.
VK_NEXT_DAY ✓ If guide is active and displayed, then display next day's content.
VK_NEXT_FAVORITE_CHANNEL ✓ ✓ ✓ ✓ ✓ Select next favorite channel (in favorites list).
VK_ON_DEMAND ✓ ✓ ✓ Access on-demand content or programs.
VK_PINP_DOWN ✓ Move picture-in-picture window downward.
VK_PINP_MOVE ✓ ✓ Move picture-in-picture window.
VK_PINP_TOGGLE ✓ ✓ ✓ ✓ Toggle display of picture-in-picture window.
VK_PINP_UP ✓ Move picture-in-picture window upward.
VK_PLAY_SPEED_DOWN ✓ ✓ ✓ Decrease media playback speed.
VK_PLAY_SPEED_RESET ✓ ✓ ✓ Reset playback speed to normal speed (according to current media function).
VK_PLAY_SPEED_UP ✓ ✓ ✓ Increase media playback speed.
VK_PREV_DAY ✓ If guide is active and displayed, then display previous day's content.
VK_RANDOM_TOGGLE ✓ ✓ ✓ Toggle random media or content shuffle mode.
VK_RECALL_FAVORITE_0 ✓ ✓ ✓ Select (recall) program or content stored as favorite 0.
VK_RECALL_FAVORITE_1 ✓ ✓ ✓ Select (recall) program or content stored as favorite 1.
VK_RECALL_FAVORITE_2 ✓ ✓ ✓ Select (recall) program or content stored as favorite 2.
VK_RECALL_FAVORITE_3 ✓ ✓ ✓ Select (recall) program or content stored as favorite 3.
VK_RECORD ✓ ✓ ✓ ✓ ✓ Initiate or resume recording of currently selected media.
VK_RECORD_SPEED_NEXT ✓ ✓ ✓ Toggle or cycle between media recording speeds (if applicable).
VK_RED ✓ ✓ ✓ Equivalent to VK_COLORED_KEY_0.
VK_REWIND ✓ ✓ ✓ ✓ ✓ ✓ Initiate or continue reverse playback at faster than normal speed, or increase speed if already rewinding.
VK_RF_BYPASS ✓ ✓ Toggle RF (radio frequency) input bypass mode.
VK_SCAN_CHANNELS_TOGGLE ✓ ✓ ✓ Toggle scan channels mode.
VK_SCREEN_MODE_NEXT ✓ ✓ ✓ Advance display screen mode to next available mode.
VK_SETTINGS ✓ Toggle display of device settings screen.
VK_SKIP ✓ ✓ Skip current content or program.
VK_SPLIT_SCREEN_TOGGLE ✓ ✓ ✓ Toggle split screen mode.
VK_STORE_FAVORITE_0 ✓ ✓ ✓ Store current program or content as favorite 0.
VK_STORE_FAVORITE_1 ✓ ✓ ✓ Store current program or content as favorite 1.
VK_STORE_FAVORITE_2 ✓ ✓ ✓ Store current program or content as favorite 2.
VK_STORE_FAVORITE_3 ✓ ✓ ✓ Store current program or content as favorite 3.
VK_SUBTITLE ✓ ✓ ✓ ✓ Toggle display of subtitles (if available).
VK_SURROUND_MODE_NEXT ✓ ✓ ✓ Advance surround audio mode to next available mode.
VK_TELETEXT ✓ ✓ ✓ Toggle display of teletext (if available).
VK_VIDEO_MODE_NEXT ✓ ✓ ✓ Advance video mode to next available mode.
VK_WIDE ✓ Toggle device display mode between wide aspect and normal aspect mode.
VK_WINK ✓ ✓ ✓ Cause device to identify itself in some manner, e.g., audibly or visibly.
VK_YELLOW ✓ ✓ ✓ Equivalent to VK_COLORED_KEY_2.

Duplicate Key Values

VK_BACK ✓ Navigate to previous content or page (in current history).
VK_COLORED_KEY_0 ✓ ✓ ✓ ✓ General purpose function key. See also VK_RED.
VK_COLORED_KEY_1 ✓ ✓ ✓ ✓ General purpose function key. See also VK_GREEN.
VK_COLORED_KEY_2 ✓ ✓ ✓ ✓ General purpose function key. See also VK_YELLOW.
VK_COLORED_KEY_3 ✓ ✓ ✓ ✓ General purpose function key. See also VK_BLUE.
VK_COLORED_KEY_4 ✓ ✓ General purpose function key. See also VK_GREY.
VK_COLORED_KEY_5 ✓ ✓ General purpose function key. See also VK_BROWN.
VK_EJECT_TOGGLE ✓ ✓ ✓ Cause removable media to eject (open) or insert (close).
VK_FORWARD ✓ Navigate to next content or page (in current history).
VK_MENU ✓ ✓ ✓ ✓ Toggle display of content or system menu (if available).
VK_MUTE ✓ ✓ ✓ ✓ ✓ ✓ Decrease volume to muted level or restore prior volume level if previously muted.
VK_NEXT ✓ Equivalent to VK_TRACK_NEXT.
VK_PAUSE ✓ ✓ ✓ ✓ ✓ ✓ Pause playback (if not paused or stopped); also used with keyboard entry to pause scrolling output.
VK_PLAY ✓ ✓ ✓ ✓ ✓ ✓ Initiate or continue playback at normal speed (if not currently playing at normal speed).
VK_PLAY_PAUSE ✓ Toggle media play/pause state.
VK_POWER ✓ ✓ ✓ ✓ ✓ Toggle power state.
VK_PREV ✓ Equivalent to VK_TRACK_PREV.
VK_SKIP_BACK ✓ Equivalent to VK_TRACK_PREV.
VK_SKIP_FORWARD ✓ Equivalent to VK_TRACK_NEXT.
VK_TRACK_NEXT ✓ ✓ Seek to next media or program track.
VK_TRACK_PREV ✓ ✓ Seek to previous media or program track.
VK_STOP ✓ ✓ ✓ ✓ ✓ ✓ Stop media playing, pausing, forwarding, rewinding, or recording (if not already stopped).
VK_VOLUME_DOWN ✓ ✓ ✓ ✓ ✓ Decrease volume.
VK_VOLUME_UP ✓ ✓ ✓ ✓ ✓ Increase volume.
VK_ZOOM ✓ Toggle between full-screen and scaled content.

Control Keys

VK_ACCEPT ✓ ✓ ✓ Accept current input method sequence conversion, used with keyboard entry.
VK_ALT ✓ ✓ ✓ ✓ Enable alt(ernate) modifier function for interpreting subsequent keyboard input event.
VK_BACK_SPACE ✓ ✓ ✓ ✓ Back space function, used with keyboard entry.
VK_CANCEL ✓ ✓ ✓ ✓ Cancel function.
VK_CAPS_LOCK ✓ ✓ ✓ ✓ Toggle cap(ital) lock function for interpreting subsequent keyboard input event.
VK_CLEAR ✓ ✓ ✓ Clear function, used with keyboard entry.
VK_CONTROL ✓ ✓ ✓ ✓ Enable control modifier function for interpreting subsequent keyboard input event.
VK_CONVERT ✓ ✓ ✓ Convert current input method sequence, used with keyboard entry.
VK_DELETE ✓ ✓ ✓ ✓ ✓ Delete function, used with keyboard entry. (U+007F)
VK_DOWN ✓ ✓ ✓ ✓ ✓ ✓ Navigate or traverse downward.
VK_END ✓ ✓ ✓ ✓ End function, used with keyboard entry; go to end of content.
VK_ENTER ✓ ✓ ✓ ✓ ✓ Activate current selection or accept current input.
VK_ESCAPE ✓ ✓ ✓ ✓ Escape function, used with keyboard entry.
VK_F1, VK_F2, … VK_F4 ✓ ✓ ✓ ✓ First through fourth general function codes, used with keyboard entry.
VK_F5, VK_F6, … VK_F12 ✓ ✓ ✓ Fifth through twelfth general function codes, used with keyboard entry.
VK_F13, VK_F14, … VK_F24 ✓ Thirteenth through twenty-fourth general function codes, used with keyboard entry.
VK_FINAL ✓ ✓ ✓ Enable final mode for input method editor, used with keyboard entry.
VK_HOME ✓ ✓ ✓ ✓ Home function, used with keyboard entry; go to start of content; go to home page.
VK_INSERT ✓ ✓ ✓ ✓ Insert function, used with keyboard entry.
VK_KANA ✓ ✓ ✓ Toggle kana input function, used with keyboard entry.
VK_KANJI ✓ ✓ ✓ Toggle kanji input function, used with keyboard entry.
VK_KP_DOWN ✓ Navigate or traverse downward, used with numeric keypad entry.
VK_KP_LEFT ✓ Navigate or traverse leftward, used with numeric keypad entry.
VK_KP_RIGHT ✓ Navigate or traverse rightward, used with numeric keypad entry.
VK_KP_UP ✓ Navigate or traverse upward, used with numeric keypad entry.
VK_LEFT ✓ ✓ ✓ ✓ ✓ ✓ Navigate or traverse leftward.
VK_META ✓ ✓ ✓ Enable meta modifier function for interpreting subsequent input event.
VK_MODECHANGE ✓ ✓ ✓ Toggle between or cycle through input modes of input method editor, used with keyboard entry.
VK_NONCONVERT ✓ ✓ ✓ Accept current input method sequence without conversion, used with keyboard entry.
VK_NUM_LOCK ✓ ✓ ✓ ✓ Toggle numeric (pad) mode function for interpreting subsequent keyboard input event.
VK_PAGE_DOWN ✓ ✓ ✓ ✓ ✓ Scroll down or display next page of content.
VK_PAGE_UP ✓ ✓ ✓ ✓ ✓ Scroll up or display previous page of content.
VK_PRINTSCREEN ✓ ✓ ✓ ✓ Print screen function, used with keyboard entry.
VK_RIGHT ✓ ✓ ✓ ✓ ✓ ✓ Navigate or traverse rightward.
VK_SCROLL_LOCK ✓ ✓ ✓ Toggle scroll lock function, used with keyboard entry.
VK_SELECT ✓ Equivalent to VK_ENTER.
VK_SHIFT ✓ ✓ ✓ ✓ Enable shift modifier function for interpreting subsequent keyboard input event.
VK_TAB ✓ ✓ ✓ ✓ Tab function, used with keyboard entry.
VK_UNDEFINED ✓ ✓ ✓ ✓ Used to denote undefined or non-standard virtual key code.
VK_UP ✓ ✓ ✓ ✓ ✓ ✓ Navigate or traverse upward.

Character Key Values

VK_PROGRAM_DOWN ✓ Equivalent to VK_CHANNEL_DOWN.
VK_PROGRAM_UP ✓ Equivalent to VK_CHANNEL_UP.
VK_0, VK_1, … VK_9 ✓ ✓ ✓ ✓ ✓ ✓ Digits zero through nine, used for direct channel number entry, and other numeric entry. (U+0030 to U+0039)
VK_A, VK_B, … VK_Z ✓ ✓ ✓ ✓ ✓ Latin letters A through Z, used with keyboard entry. (U+0041 to U+005A)
VK_ADD ✓ ✓ ✓ Add function, used with keyboard entry; cf. plus sign.
VK_AMPERSAND ✓ Ampersand sign, used with keyboard entry. (U+0026)
VK_ASTERISK ✓ Asterisk sign, used with keyboard entry. (U+002A)
VK_AT ✓ Commercial at sign, used with keyboard entry. (U+0040)
VK_BACK_QUOTE ✓ ✓ ✓ ✓ Back quote function, used with keyboard entry; grave accent. (U+0060)
VK_BACK_SLASH ✓ ✓ ✓ ✓ ✓ Back slash or reverse solidus, used with keyboard entry. (U+005C)
VK_BRACELEFT ✓ Left curly bracket, used with keyboard entry. (U+007B)
VK_BRACERIGHT ✓ Right curly bracket, used with keyboard entry. (U+007D)
VK_CIRCUMFLEX ✓ ✓ Circumflex accent, used with keyboard entry. (U+005E)
VK_COLON ✓ ✓ Colon, used with keyboard entry. (U+003A)
VK_CLOSE_BRACKET ✓ ✓ ✓ ✓ ✓ Close bracket, used with keyboard entry; right square bracket. (U+005D)
VK_COMMA ✓ ✓ ✓ ✓ ✓ Comma, used with keyboard entry. (U+002C)
VK_DECIMAL ✓ ✓ ✓ Locale independent decimal separator, used with keyboard entry.
VK_DIVIDE ✓ ✓ ✓ Divide function, used with keyboard entry; division sign.
VK_DOLLAR ✓ Dollar sign, used with keyboard entry. (U+0024)
VK_EQUALS ✓ ✓ ✓ ✓ ✓ Equal sign, used with keyboard entry. (U+003D)
VK_EXCLAMATION_MARK ✓ Exclamation mark, used with keyboard entry. (U+0021)
VK_GREATER ✓ Greater than sign, used with keyboard entry. (U+003E)
VK_LEFT_PARENTHESIS ✓ Left parenthesis, used with keyboard entry; open parenthesis. (U+0028)
VK_LESS ✓ Less than sign, used with keyboard entry. (U+003C)
VK_MINUS ✓ ✓ Minus sign or hyphen, used with keyboard entry. (U+002D)
VK_MULTIPLY ✓ ✓ ✓ Multiply function, used with keyboard entry; multiplication sign; cf. asterisk.
VK_NUMPAD0, VK_NUMPAD1, … VK_NUMPAD9 ✓ ✓ ✓ ✓ Arabic digits 0 through 9, used with keyboard entry while in numeric mode.
VK_NUMBER_SIGN ✓ Number sign, used with keyboard entry. (U+0023)
VK_OPEN_BRACKET ✓ ✓ ✓ ✓ ✓ Open bracket, used with keyboard entry; left square bracket. (U+005B)
VK_PERCENT_SIGN ✓ Percent sign, used with keyboard entry. (U+0025)
VK_PERIOD ✓ ✓ ✓ ✓ ✓ Period or full stop, used with keyboard entry. (U+002E)
VK_PLUS ✓ Plus sign or hyphen, used with keyboard entry. (U+002B)
VK_QUOTE ✓ ✓ ✓ ✓ ✓ Apostrophe or forward quote function, used with keyboard entry. (U+0027)
VK_QUOTEDBL ✓ Quotation mark, used with keyboard entry. (U+0022)
VK_QUESTION_MARK ✓ Question mark, used with keyboard entry. (U+003F)
VK_RIGHT_PARENTHESIS ✓ Right parenthesis, used with keyboard entry; close parenthesis. (U+0029)
VK_SEMICOLON ✓ ✓ ✓ ✓ ✓ Semicolon, used with keyboard entry. (U+003B)
VK_SEPARATER ✓ ✓ Equivalent to VK_SEPARATOR. Note (legacy) misspelling.
VK_SEPARATOR ✓ ✓ Separator function, equivalent to VK_VERTICAL_LINE.
VK_SLASH ✓ ✓ ✓ ✓ ✓ Slash or solidus, used with keyboard entry. (U+002F)
VK_SPACE ✓ ✓ ✓ ✓ ✓ Space function, used with keyboard entry. (U+0020)
VK_SUBTRACT ✓ ✓ ✓ Subtract function, used with keyboard entry; cf. hyphen or minus sign.
VK_TILDE ✓ Tilde, used with keyboard entry. (U+007E)
VK_UNDERSCORE ✓ Underscore or low line, used with keyboard entry. (U+005F)
VK_VERTICAL_LINE ✓ Vertical line, used with keyboard entry. (U+007C)

A check in column labeled 'O' (OCAP) signifies that the virtual key (or its functional equivalent) is defined for use with OCAP 1.1.3; and similarly for the column labeled 'C' (CEA) CEA-2014, 'A' (ATSC) ATSC A/100 DASE Part 2, 'M' (MHEG) MHEG-5 Broadcast Profile, and 'E' (EBIF) Enhanced TV Binary Interchange Format 1.0. The column labeled 'R' signifies that the virtual key is further designated as part of the required, minimum level of device support as specified by at least one of these defining specifications.

The description of virtual keys specified above is to be interpreted as strictly informative.