protected String calcBPB_FilSysType() throws UnsupportedEncodingException {
        byte[] bTemp = new byte[8];
        for (int i = 82;i < 90; i++) {
            bTemp[i-82] = imageBytes[i];
        }
        BPB_FilSysType = new String(bTemp, "UTF-8");
        System.out.println(BPB_FilSysType);
        return BPB_FilSysType;
    }