fix: max_geo_range correctly identified as ADC Scale factor number.

sfm/server.py

@@ -289,7 +289,8 @@ def _serialise_compliance_config(cc: Optional["ComplianceConfig"]) -> Optional[d
         "sample_rate":        cc.sample_rate,
         "trigger_level_geo":  cc.trigger_level_geo,
         "alarm_level_geo":    cc.alarm_level_geo,
-        "max_range_geo":      cc.max_range_geo,
+        "max_range_geo":      cc.max_range_geo,       # hw constant 6.206053 — informational only, do not write
+        "max_range_geo_enum": cc.max_range_geo_enum,  # 0x01=Normal 10in/s, 0x00=Extended 1.25in/s (unconfirmed)
         "setup_name":         cc.setup_name,
         "project":            cc.project,
         "client":             cc.client,
@@ -842,8 +843,9 @@ class DeviceConfigBody(BaseModel):
     ------------------------------------------------
     trigger_level_geo : Trigger threshold in in/s  (e.g. 0.5).
     alarm_level_geo   : Alarm threshold in in/s    (e.g. 1.0).
-    max_range_geo     : Full-scale calibration constant (e.g. 6.206).
-                        Rarely changed — only set if you know what you're doing.
+    max_range_geo     : DEPRECATED — was misidentified as the max range; it is actually a
+                        hardware/firmware constant (6.206053) the same on all units and
+                        must not be written.  Passing this field is a no-op (ignored with warning).
 
     Project / operator strings  (max 41 ASCII characters each)
     ----------------------------