private void setWorkMode()
        {
            byte ReadMode = 0;

            if (_readerProfile.InventoryMode == InventoryMode.Answer || _readerProfile.InventoryMode == InventoryMode.Buffer)
            {
                ReadMode = 0;
            }
            else
            {
                ReadMode = 6;
            }
            fCmdRet = RWDev.SetWorkMode(ref fComAdr, ReadMode, frmcomportindex);
        }