L2SS-965 apply property during init

tangostationcontrol/tangostationcontrol/devices/recv.py

@@ -265,6 +265,11 @@ class RECV(opcua_device):
         # Restore the mask
         self.RCU_mask_RW = RCU_mask
 
+    def configure_for_initialise(self):
+        super().configure_for_initialise()
+        # apply the RCU_attenuator_dB config
+        self.RCU_attenuator_dB_RW = self.RCU_band_select_RW_default
+
     # --------
     # internal functions
     # --------