diff --git a/emulator/NET-NOTES.md b/emulator/NET-NOTES.md
index 62865a4..b7db118 100644
--- a/emulator/NET-NOTES.md
+++ b/emulator/NET-NOTES.md
@@ -590,6 +590,21 @@ puts the eye inside the mech's hull meshes -- z-fighting reads as a
 Not a render bug; trim back to the per-mech eye position (Mad Cat ~
 -1.8) restores the view.
 
+**MEASURED lamp choreography (2026-07-09 late, RIO tap, TeslaConsole
+close):** `LampFloor = 0x3E` ("floor lamp (entry/exit)", L4CTRL.HPP;
+lamps 0x16/0x17/0x1e form the entry cluster with it; 0x3D = Panic).
+Timeline: game boot 98.9s -> floor+entry BRIGHT, all panel lamps dim
+(ENTRY lighting -- pod lit while the customer climbs in); mission drop
+120.7s -> entry lamps OFF; mission end 151.5s -> floor+entry BRIGHT
+(the egress hold, StateResponse state=2); StopMission arrives 154.9s ->
+full lamp sweep off, floor last, game exits. **Egress window = the gap
+between mission end and the console's StopMission send** (TeslaConsole
+= 3.4s; Console 4.10 waited a proper customer-exit delay) -- it is NOT
+a game-side timer and does not appear to depend on the exit code. Lamp
+state byte: flash bits0-1 (solid/slow/med/fast), ch1 bits2-3
+(off/dim/bright), ch2 bits4-5. Extraction tool: scratchpad
+lamp_read.py pattern (tap lines are one byte each).
+
 ## Open questions / notes
 - Exact TCP listen port(s) — not in the source grep; get from NETNUB.EXE
   or a capture at milestone 3.