diff --git a/dosview/__init__.py b/dosview/__init__.py
index 2390360..c85c1dd 100644
--- a/dosview/__init__.py
+++ b/dosview/__init__.py
@@ -804,6 +804,11 @@ def initUI(self):
         self.upload_file_button.setMaximumHeight(20)
         self.upload_file_button.clicked.connect(lambda: UploadFileDialog().exec_())
 
+        self.export_csv_button = QPushButton("Export spectrum")
+        self.export_csv_button.setMaximumHeight(20)
+        self.export_csv_button.clicked.connect(self.export_spectrum_csv)
+        self.export_csv_button.setEnabled(False)
+
         log_view_widget = QWidget()
 
         self.left_panel = QSplitter(Qt.Vertical)
@@ -814,6 +819,7 @@ def initUI(self):
         vb = QHBoxLayout()
         vb.addWidget(self.open_img_view_button)
         vb.addWidget(self.upload_file_button)
+        vb.addWidget(self.export_csv_button)
         self.left_panel.setLayout(vb)
 
         self.logView_splitter = QSplitter(Qt.Horizontal)
@@ -843,8 +849,9 @@ def start_data_loading(self):
         self.load_data_thread.start()
 
     def on_data_loaded(self, data):
-        self.data = data # TODO>.. tohle do budoucna zrusit a nahradit tridou parseru.. 
+        self.data = data # TODO>.. tohle do budoucna zrusit a nahradit tridou parseru..
         print("Data are fully loaded...")
+        self.export_csv_button.setEnabled(True)
         self.plot_canvas.plot(data)
         print("After plot data canvas")
         
@@ -888,12 +895,28 @@ def add_properties_to_tree(item, properties):
 
 
     def open_spectrogram_view(self):
-        matrix = self.data[-1] #TODO .. tohle predelat na nejakou tridu pro parserovani 
+        matrix = self.data[-1] #TODO .. tohle predelat na nejakou tridu pro parserovani
 
         w = DataSpectrumView(self)
         w.show()
         w.plot_data(matrix)
 
+    def export_spectrum_csv(self):
+        path, _ = QFileDialog.getSaveFileName(
+            self, "Export spectrum", "", "CSV files (*.csv)"
+        )
+        if not path:
+            return
+        if not path.endswith(".csv"):
+            path += ".csv"
+        import csv
+        hist = self.data[2]
+        with open(path, "w", newline="") as f:
+            writer = csv.writer(f)
+            writer.writerow(["channel", "counts"])
+            for ch, cnt in enumerate(hist):
+                writer.writerow([ch, int(cnt)])
+
 
 class UploadFileDialog(QDialog):
     def __init__(self, parent=None):
diff --git a/dosview/parsers.py b/dosview/parsers.py
index a050d08..de45bbd 100644
--- a/dosview/parsers.py
+++ b/dosview/parsers.py
@@ -29,38 +29,43 @@ def parse(self):  # pragma: no cover - concrete classes implement
         raise NotImplementedError
 
 
-class Airdos04CLogParser(BaseLogParser):
-    """Parser for AIRDOS04C log files."""
+class AirdosV2LogParser(BaseLogParser):
+    """Parser for AIRDOS log files using data format version 2.x."""
 
     @staticmethod
     def detect(file_path: str | Path) -> bool:
         with open(file_path, "r") as f:
             for line in f:
-                if line.startswith("$DOS") and "AIRDOS04C" in line:
-                    return True
+                if line.startswith("$DOS"):
+                    parts = line.strip().split(",")
+                    # parts[2] = fw-version; MAJOR.MINOR encodes the data format version
+                    if len(parts) > 2 and parts[2].startswith("2."):
+                        return True
         return False
 
     def parse(self):
         start_time = time.time()
-        print("AIRDOS04C parser start")
+        print("AIRDOS v2 parser start")
         metadata = {
             "log_runs_count": 0,
             "log_device_info": {},
             "log_info": {},
         }
-        hist = np.zeros(1024, dtype=int)
+        hist = np.zeros(65536, dtype=int)
         total_counts = 0
         sums: List[int] = []
         time_axis: List[float] = []
         inside_run = False
         current_hist = None
         current_counts = 0
+        device_type = "unknown"
 
         with open(self.file_path, "r") as file:
             for line in file:
                 parts = line.strip().split(",")
                 match parts[0]:
                     case "$DOS":
+                        device_type = parts[1] if len(parts) > 1 else "unknown"
                         metadata["log_device_info"]["DOS"] = {
                             "type": parts[0],
                             "hw-model": parts[1],
@@ -102,12 +107,16 @@ def parse(self):
         metadata["log_info"]["events_total"] = int(total_counts)
         metadata["log_info"]["log_type_version"] = "2.0"
         metadata["log_info"]["log_type"] = "xDOS_SPECTRAL"
-        metadata["log_info"]["detector_type"] = "AIRDOS04C"
-        print("Parsed AIRDOS04C format in", time.time() - start_time, "s")
+        metadata["log_info"]["detector_type"] = device_type
+        print("Parsed AIRDOS v2 format in", time.time() - start_time, "s")
 
         return [np.array(time_axis), np.array(sums), hist, metadata]
 
 
+# Backwards-compatible alias
+Airdos04CLogParser = AirdosV2LogParser
+
+
 class OldLogParser(BaseLogParser):
     """Parser for legacy (pre-AIRDOS04C) log files."""
 
@@ -203,7 +212,7 @@ def parse(self):
         return [time_column, sums, hist, metadata]
 
 
-LOG_PARSERS: Sequence[type[BaseLogParser]] = [Airdos04CLogParser, OldLogParser]
+LOG_PARSERS: Sequence[type[BaseLogParser]] = [AirdosV2LogParser, OldLogParser]
 
 
 def get_parser_for_file(file_path: str | Path) -> BaseLogParser:
@@ -220,7 +229,8 @@ def parse_file(file_path: str | Path):
 
 __all__ = [
     "BaseLogParser",
-    "Airdos04CLogParser",
+    "AirdosV2LogParser",
+    "Airdos04CLogParser",  # backwards-compatible alias
     "OldLogParser",
     "get_parser_for_file",
     "parse_file",