protected Integer calcBPB_TotSec16() {
        byte[] bTemp = new byte[2];
        for (int i = 19;i < 21; i++) {
            bTemp[i-19] = imageBytes[i];
        }
        BPB_TotSec16 = byteArrayToInt(bTemp);
        System.out.println(BPB_TotSec16);
        return BPB_TotSec16;
    }