diff --git a/docs/UserGuide.md b/docs/UserGuide.md
index 9ba9508..98168f0 100644
--- a/docs/UserGuide.md
+++ b/docs/UserGuide.md
@@ -7,6 +7,7 @@
 6. [Pairing to HomeKit](#pairing-to-homekit)
 7. [Factory Reset](#factory-reset)
 8. [Creating a Scannable Tag](#creating-a-scannable-tag)
+9. [Status LED Flashing Reference](#status-led-flashing-reference)
 
 
 ## Introduction
@@ -167,6 +168,20 @@ The box can be bigger or smaller as long as you keep the same proportions.  For
 
 Note that if you can’t find *Scancardium* listed as a font choice in either the *Pages* or *Keynote* font dropdown boxes, select Format → Font → Show Fonts from the menu bar of the *Pages* or *Keynote* application to bring up a list of all installed fonts where you can search for, and select, *Scancardium*.
 
+## Status LED Flashing Reference
+
+If a status LED has been connected and configured, HomeSpan will use flashing code to indicate different status.
+
+| Flash pattern               | Description                                                                |
+| --------------------------- | -------------------------------------------------------------------------- |
+| LED off, no flashing        | By default, no power, unless `setStatusAutoOff(timeout)` has been defined. |
+| LED on, no flashing         | All good. Device is connected to WiFi and paired. See [PAIRED](#paired).   |
+| 1-second flash every second | Attempting to connect to WiFi. See [CONNECTING](#connecting).              |
+| 1 flash every 3 seconds     | No WiFi. See [NO-WIFI](#nowifi).                                           |
+| 2 flashes every 3 seconds   | See [READY-TO-PAIR](#readytopair).                                         |
+| 10 flashes per second       | The Control button is pressed. Once released, HomeSpan will either<br>- Enter [Device Configuration Mode](#device-configuration-mode).<br>- Exit _Device Configuration Mode_ executing the action selected based on the number of flashes.|
+
+
 ---
 
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