while(infoMenu.menu[infoMenu.cur] == menuFan)
  {
    KEY_VALUES key_num = menuKeyGetValue();
    uint8_t actFan = fanGetSpeed(curIndex);
    uint8_t actFanPercent = fanGetSpeedPercent(curIndex);
    switch (key_num)
    {
    case KEY_ICON_0:
      if (actFan > 0)
      {
        if (infoSettings.fan_percentage == 1)
        {
          fanSetSpeedPercent(curIndex, --actFanPercent);
        }
        else
        {
          fanSetSpeed(curIndex, --actFan);
        }
      }
      break;