diff --git a/src/arcam/fmj/__init__.py b/src/arcam/fmj/__init__.py
index 85560c5..887e2fb 100644
--- a/src/arcam/fmj/__init__.py
+++ b/src/arcam/fmj/__init__.py
@@ -108,7 +108,7 @@ class NullPacket(ArcamException):
 
 
 APIVERSION_450_SERIES = {"AVR380", "AVR450", "AVR750"}
-APIVERSION_860_SERIES = {"AV860", "AVR850", "AVR550", "AVR390", "SR250"}
+APIVERSION_860_SERIES = {"AV860", "AVR850", "AVR550", "AVR390", "SR250", "RV-6", "RV-9", "MC-10"}
 APIVERSION_SA_SERIES = {"SA10", "SA20", "SA30", "SA750"}
 APIVERSION_HDA_SERIES = {
     "AVR5",
@@ -149,7 +149,7 @@ class NullPacket(ArcamException):
 APIVERSION_ST_SERIES = {"ST60"}
 
 APIVERSION_DAB_SERIES = {"AVR450", "AVR750"}
-APIVERSION_DAB_SERIES.update("AV860", "AVR850", "AVR550", "AVR390")
+APIVERSION_DAB_SERIES.update("AV860", "AVR850", "AVR550", "AVR390", "RV-6", "RV-9", "MC-10")
 APIVERSION_DAB_SERIES.update(APIVERSION_HDA_SERIES)
 
 APIVERSION_ZONE2_SERIES = set()