diff --git a/OWNd/message/gateway.py b/OWNd/message/gateway.py
index cabd90b..7c94fde 100644
--- a/OWNd/message/gateway.py
+++ b/OWNd/message/gateway.py
@@ -123,10 +123,15 @@ def __init__(self, data: str) -> None:
             elif self._dimension_value[0] == "13":
                 self._device_type = "H4684"
             elif self._dimension_value[0] == "200":
-                # Code 200 is shared by every Linux-based gateway generation seen so
-                # far (F454, MyHomeServer1, MH202, F461, H4890; MyHOME #370, #466 and
-                # the F461 plant capture). WHO 1013 dimension 1 tells them apart.
-                self._device_type = "F454 / MyHomeServer1 / MH202 / F461 / H4890"
+                # Code 200 is shared across modern gateways (F454, MyHomeServer1,
+                # MH202, F461, H4890; plus emulated F450/F459/F460 in trace-corpus.tsv)
+                # and MH201 (fw 3.3.6, 3.6.27; MyHOME #370, #466 and plant fixtures;
+                # catalogued on 030644 outside the Linux QEMU fleet). WHO 1013
+                # dimension 1 tells them apart (the MH201 on 3.6.27 answers only
+                # *#1013**1##, model 10, and NACKs *#1013*0*1##).
+                self._device_type = (
+                    "F454 / MyHomeServer1 / MH202 / F461 / H4890 / MH201"
+                )
             else:
                 self._device_type = f"Unknown ({self._dimension_value[0]})"
             self._human_readable_log = f"Gateway device type is: {self._device_type}."
diff --git a/OWNd/message/heating.py b/OWNd/message/heating.py
index 99c7482..aa0c868 100644
--- a/OWNd/message/heating.py
+++ b/OWNd/message/heating.py
@@ -505,7 +505,6 @@ def __init__(self, data: str) -> None:
             self._type = MESSAGE_TYPE_ACTION
             self._is_cooling = self._dimension_value[0] in _valve_active_states
             self._is_heating = self._dimension_value[1] in _valve_active_states
-            self._is_active = self._is_cooling | self._is_heating
             # Handle cooling valve status relative to fan speed/status
             _cooling_value = int(self._dimension_value[0])
             if _cooling_value == 0:
@@ -528,7 +527,6 @@ def __init__(self, data: str) -> None:
                 _fan_mode = _cooling_value - 5
                 if _fan_mode > 0:
                     self._cooling_fan_on = True
-                    self._is_active = True
                     self._cooling_fan_speed = _fan_mode
                     self._human_readable_log = f"Zone {self._zone}'s cooling fan is on at speed {self._cooling_fan_speed}"  # pylint: disable=line-too-long
                 else:
@@ -550,7 +548,6 @@ def __init__(self, data: str) -> None:
                 _fan_mode = _heating_value - 5
                 if _fan_mode > 0:
                     self._fan_on = True
-                    self._is_active = True
                     self._fan_speed = _fan_mode
                     self._human_readable_log += (
                         f"; heating fan is on at speed {self._fan_speed}."
@@ -560,7 +557,7 @@ def __init__(self, data: str) -> None:
                     self._human_readable_log += "; heating fan is off."
             # A fan-coil value on one side must not hide an open valve or a running fan
             # on the other side: *#4*2*19*5*1## (cooling fan off, heating valve on) is an
-            # active zone (F461 plant capture, tests/fixtures/f461_live_2026-10-15/).
+            # active zone (F461 plant capture, tests/test_f461_live_plant.py).
             self._is_active = bool(
                 self._is_cooling
                 or self._is_heating
@@ -923,13 +920,16 @@ def set_mode(
         mode_name = mode
         if mode == CLIMATE_MODE_AUTO:
             # Automatic is the central unit's program: the firmware refuses *4*311*Z##
-            # (NACK, no bus frame; OWNd#77 A3, oracle3/out/termo_f461.tsv) and only
-            # forwards *4*311*#Z##, a frame addressed to the central unit, so
+            # (NACK, no bus frame across all 11 emulated gateways in thermo-zone-mode.tsv
+            # and ownd-pr82-heating.tsv; OWNd#77 A3) and only forwards *4*311*#Z##, a
+            # frame addressed to the central unit (bus D1 00 03 02 C2 ZZ 00 00), so
             # standalone does not apply. Protection (302 / 102 / 202) is different:
             # the plain zone form is forwarded as a direct zone command (bus
-            # 93 ZZ 30 04) and is the only form a standalone thermostat acts on;
-            # the #Z form goes to a central unit and is ignored when there is none
-            # (F461 plant capture, tests/fixtures/f461_live_2026-10-15/).
+            # 93 ZZ 30 04, like *4*303*Z## -> 93 ZZ 30 0F in thermo-zone-mode.tsv)
+            # and is the only form a standalone thermostat acts on; the #Z form goes
+            # to a central unit (bus D1 00 03 02 C2 ZZ 07 00 in thermo-ts10.tsv) and
+            # is ignored when there is none (F461 plant capture,
+            # tests/test_f461_live_plant.py).
             if not zone.startswith("#"):
                 zone = f"#{zone}"
 
diff --git a/README.md b/README.md
index 49b9506..c1c0c03 100755
--- a/README.md
+++ b/README.md
@@ -337,7 +337,7 @@ OWNd maintains an automated test suite with strict **100.0% line coverage** veri
 | [`OWNd/message/automation.py`](OWNd/message/automation.py) | **100%** | WHO 2: Automation and motorized shutter events and commands |
 | [`OWNd/message/base.py`](OWNd/message/base.py) | **100%** | Base message, signaling, and protocol dispatcher registries |
 | [`OWNd/message/cen.py`](OWNd/message/cen.py) | **100%** | WHO 15 & WHO 25: CEN, CEN+, and dry contact control events/commands |
-| [`OWNd/message/door_entry.py`](OWNd/message/door_entry.py) | **100%** | WHO 6 & WHO 8: Door entry, lock, and video intercom events and commands |
+| [`OWNd/message/door_entry.py`](OWNd/message/door_entry.py) | **100%** | WHO 6 & WHO 8: Door entry, electric lock, and video intercom events/commands |
 | [`OWNd/message/energy.py`](OWNd/message/energy.py) | **100%** | WHO 18: Energy management, power, and diagnostic pulse events/commands |
 | [`OWNd/message/gateway.py`](OWNd/message/gateway.py) | **100%** | WHO 13: Gateway management, clock/date configuration, and model telemetry |
 | [`OWNd/message/heating.py`](OWNd/message/heating.py) | **100%** | WHO 4: Thermoregulation, heating/cooling zone control, and temperature decoders |
diff --git a/scripts/sync_documentation.py b/scripts/sync_documentation.py
index b127e9a..e93b7c9 100644
--- a/scripts/sync_documentation.py
+++ b/scripts/sync_documentation.py
@@ -60,7 +60,7 @@
     "OWNd/message/automation.py": "WHO 2: Automation and motorized shutter events and commands",
     "OWNd/message/base.py": "Base message, signaling, and protocol dispatcher registries",
     "OWNd/message/cen.py": "WHO 15 & WHO 25: CEN, CEN+, and dry contact control events/commands",
-    "OWNd/message/door_entry.py": "WHO 6 & WHO 8: Door entry, lock, and video intercom events and commands",
+    "OWNd/message/door_entry.py": "WHO 6 & WHO 8: Door entry, electric lock, and video intercom events/commands",
     "OWNd/message/energy.py": "WHO 18: Energy management, power, and diagnostic pulse events/commands",
     "OWNd/message/gateway.py": "WHO 13: Gateway management, clock/date configuration, and model telemetry",
     "OWNd/message/heating.py": "WHO 4: Thermoregulation, heating/cooling zone control, and temperature decoders",
diff --git a/tests/test_f461_live_plant.py b/tests/test_f461_live_plant.py
index 6e1c1cf..1f2a00c 100644
--- a/tests/test_f461_live_plant.py
+++ b/tests/test_f461_live_plant.py
@@ -14,11 +14,13 @@
    valve states had set it. The plant reports this frame on every heating-season read.
 2. ``set_mode(zone, "protection" | "antifreeze" | "thermal_protection", standalone=True)``
    produced the ``#Z`` form, which the gateway forwards to a central unit (emulated
-   ``bt_termo``: ``*4*302*#23##`` -> ``D1 00 03 02 C2 17 07 00``) and which a standalone
-   thermostat ignores; the plain form (``93 17 30 04``) is the one that works. Only
-   ``311`` (automatic) is a central-unit-only command (``*4*311*Z##`` is NACKed).
+   ``bt_termo``: ``*4*302*#23##`` -> ``D1 00 03 02 C2 17 07 00`` in ``thermo-ts10.tsv``)
+   and which a standalone thermostat ignores; the plain form (``93 17 30 04``) is the one
+   that works. Only ``311`` (automatic) is a central-unit-only command (``*4*311*Z##`` is
+   NACKed across all 11 emulated gateways in ``thermo-zone-mode.tsv``).
 3. WHO 13 device type ``200`` was labelled ``F454`` although F454, MyHomeServer1, MH202,
-   F461 and H4890 all answer it.
+   F461, H4890 and MH201 (fw 3.3.6, 3.6.27; plus emulated F450/F459/F460 in
+   ``trace-corpus.tsv``) all answer it.
 """
 from __future__ import annotations
 
@@ -178,7 +180,7 @@ def test_capture_shows_only_the_plain_protection_form_acts() -> None:
 def test_device_type_200_is_not_a_single_model() -> None:
     msg = OWNEvent.parse("*#13**15*200##")
     assert msg.device_type_code == "200"
-    assert "F454" in msg.device_type and "F461" in msg.device_type
+    assert "F454" in msg.device_type and "F461" in msg.device_type and "MH201" in msg.device_type
     assert msg.human_readable_log == f"Gateway device type is: {msg.device_type}."
     assert OWNEvent.parse("*#13**15*2##").device_type == "MHServer"
     assert OWNEvent.parse("*#13**16*2*0*11##").device_type_code is None
diff --git a/tests/test_profiles.py b/tests/test_profiles.py
index d92846a..6e5b816 100644
--- a/tests/test_profiles.py
+++ b/tests/test_profiles.py
@@ -550,7 +550,7 @@ def test_owngateway_event_properties() -> None:
     assert evt_fw.device_type is None
 
     evt_dev = OWNGatewayEvent("*#13**15*200##")
-    assert evt_dev.device_type == "F454 / MyHomeServer1 / MH202 / F461 / H4890"
+    assert evt_dev.device_type == "F454 / MyHomeServer1 / MH202 / F461 / H4890 / MH201"
     assert evt_dev.device_type_code == "200"
     assert evt_dev.firmware_version is None