Lucas Mollier
--- a/src/optoboard_felix/driver/Lpgbt.py
+++ b/src/optoboard_felix/driver/Lpgbt.py
+        Returns:
+            phase_lock (boolean): True if the phase is locked, False if not.
+            phase (int): the phase of the e-group.
+        """
+        assert phase_mode in ["fixed_phase", "continuous_tracking", "initial_training"]
+        assert group >=0 and group < 6, "The group is not in the correct range (0-5)"
+        G_str = str(group)
+        if phase_mode == "initial_training":
+            phase_lock,phase = self.phase_training(group = group)
+        else:
+            if phase_mode == "fixed_phase":
+                assert phase >=0 and phase < 16, "The phase is not in the correct range (0-15)"
+                self.write_read("EPRX"+G_str+"Control", "EPRX"+G_str+"TrackMode", 0)
+                self.write_read("EPRX"+G_str+"0ChnCntr", "EPRX"+G_str+"0PhaseSelect", phase)
+                phase_lock = self.read("EPRX"+G_str+"LOCKED", "EPRX"+G_str+"CHNLOCKED")
+                phase = self.read("EPRX"+G_str+"CURRENTPHASE10", "EPRX"+G_str+"CURRENTPHASE0")