these are in the LUA and work
-- pilot display control panel
{ combos={{key='1',reformers={'LShift'}}}, down=device_commands.DISP_mode_takeoff, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode takeoff'), category=_('PDCP')},
{ combos={{key='2',reformers={'LShift'}}}, down=device_commands.DISP_mode_cruise, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode cruise'), category=_('PDCP')},
{ combos={{key='3',reformers={'LShift'}}}, down=device_commands.DISP_mode_air2air, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode air to air'), category=_('PDCP')},
{ combos={{key='4',reformers={'LShift'}}}, down=device_commands.DISP_mode_air2ground, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode air to ground'), category=_('PDCP')},
{ combos={{key='5',reformers={'LShift'}}}, down=device_commands.DISP_mode_landing, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode landing'), category=_('PDCP')},
{ down=device_commands.DISP_mode_next, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode next'), category=_('PDCP')},
{ down=device_commands.DISP_mode_prev, cockpit_device_id=devices.HUD, value_down=1.0, name=_('Display mode previous'), category=_('PDCP')},
{down = device_commands.TACAN_Knob_Func_Pilot, cockpit_device_id = devices.TACAN, value_down = 0.0/4.0, name = _('TACAN Function OFF'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_Pilot, cockpit_device_id = devices.TACAN, value_down = 1.0/4.0, name = _('TACAN Function REC'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_Pilot, cockpit_device_id = devices.TACAN, value_down = 2.0/4.0, name = _('TACAN Function T/R'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_Pilot, cockpit_device_id = devices.TACAN, value_down = 3.0/4.0, name = _('TACAN Function A/A'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_Pilot, cockpit_device_id = devices.TACAN, value_down = 4.0/4.0, name = _('TACAN Function BCN'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_STEP_Pilot, cockpit_device_id = devices.TACAN, value_down = 1, value_up = 0, name = _('TACAN Function Inc'), category = _('TACAN')},
{down = device_commands.TACAN_Knob_Func_STEP_Pilot, cockpit_device_id = devices.TACAN, value_down = -1, value_up = 0, name = _('TACAN Function Dec'), category = _('TACAN')},
{down = device_commands.NAV_Btn_Steer_TCN, up = device_commands.NAV_Btn_Steer_TCN, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD TACAN'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_DEST, up = device_commands.NAV_Btn_Steer_DEST, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD Destination'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_AWL_PCD, up = device_commands.NAV_Btn_Steer_AWL_PCD, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD AWL/PCD'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_VEC, up = device_commands.NAV_Btn_Steer_VEC, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD VEC'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_MAN, up = device_commands.NAV_Btn_Steer_MAN, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD MAN'), category = _('PDCP')},
these i made but do not work,anyone knows what i did wrong??
{ combos={{key='6',reformers={'LShift'}}}, down =device_commands.NAV_Btn_Steer_TCN, cockpit_device_id=devices.NAV_INTERFACE, value_down =1.0, name= _('STEER CMD TACAN'), category = _('PDCP')},
{ combos={{key='7',reformers={'LShift'}}}, down =device_commands.NAV_Btn_Steer_DEST, cockpit_device_id=devices.NAV_INTERFACE, value_down =1.0, name= _('STEER CMD Destination'), category = _('PDCP')},
{ combos={{key='8',reformers={'LShift'}}}, down =device_commands.NAV_Btn_Steer_AWL_PCD, cockpit_device_id=devices.NAV_INTERFACE, value_down =1.0, name= _('STEER CMD AWL/PCD'), category = _('PDCP')},
{ combos={{key='9',reformers={'LShift'}}}, down =device_commands.NAV_Btn_Steer_VEC, cockpit_device_id=devices.NAV_INTERFACE, value_down =1.0, name= _('STEER CMD VEC'), category = _('PDCP')},
{ combos={{key='0',reformers={'LShift'}}}, down =device_commands.NAV_Btn_Steer_MAN, cockpit_device_id=devices.NAV_INTERFACE, value_down =1.0, name= _('STEER CMD MAN'), category = _('PDCP')},
{ down=device_commands.NAV_Btn_Steer_next, cockpit_device_id=devices.NAV_INTERFACE, value_down=1.0, name=_('STEER CMD next'), category=_('PDCP')},
{ down=device_commands.NAV_Btn_Steer_prev, cockpit_device_id=devices.NAV_INTERFACE, value_down=1.0, name=_('STEER CMD previous'), category=_('PDCP')},
or
{down = device_commands.NAV_Btn_Steer_TCN, up = device_commands.NAV_Btn_Steer_TCN, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD TACAN'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_DEST, up = device_commands.NAV_Btn_Steer_DEST, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD Destination'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_AWL_PCD, up = device_commands.NAV_Btn_Steer_AWL_PCD, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD AWL/PCD'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_VEC, up = device_commands.NAV_Btn_Steer_VEC, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD VEC'), category = _('PDCP')},
{down = device_commands.NAV_Btn_Steer_MAN, up = device_commands.NAV_Btn_Steer_MAN, value_down = 1, value_up = 0, cockpit_device_id=devices.NAV_INTERFACE, name = _('STEER CMD MAN'), category = _('PDCP')},
{ down=device_commands.NAV_Btn_Steer, cockpit_device_id=devices.NAV_INTERFACE, value_down=1.0, name=_('STEER CMD next'), category=_('PDCP')},
{ down=device_commands.NAV_Btn_Steer, cockpit_device_id=devices.NAV_INTERFACE, value_down=1.0, name=_('STEER CMD previous'), category=_('PDCP')},
thx for looking and being great help.