6 files changed, 61 insertions, 2 deletions
diff --git a/doc/Makefile b/doc/Makefile
index 5b264e02..b1bff848 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -3,6 +3,7 @@
 #
 
 RELNOTES_INC=\
+	release-notes-1.8.2.inc \
 	release-notes-1.8.1.inc \
 	release-notes-1.8.inc \
 	release-notes-1.7.inc \
diff --git a/doc/altusmetrum-docinfo.xml b/doc/altusmetrum-docinfo.xml
index 595422f1..c2bc14d1 100644
--- a/doc/altusmetrum-docinfo.xml
+++ b/doc/altusmetrum-docinfo.xml
@@ -47,6 +47,14 @@
 <revhistory>
   <?dbhtml filename="altusmetrum-revhistory.html"?>
   <revision>
+    <revnumber>1.8.2</revnumber>
+    <date>18 Sep 2017</date>
+    <revremark>
+      Support TeleGPS v2.0 hardware. Add accelerometer recalibration
+      UI.
+    </revremark>
+  </revision>
+  <revision>
     <revnumber>1.8.1</revnumber>
     <date>27 Aug 2017</date>
     <revremark>
diff --git a/doc/config-device.inc b/doc/config-device.inc
index 35848882..99d5c008 100644
--- a/doc/config-device.inc
+++ b/doc/config-device.inc
@@ -206,6 +206,22 @@ ifdef::telegps[]
 		in the log.
 endif::telegps[]
 
+ifdef::telemega,easymega,telemetrum[]
+
+	==== Calibrate Accelerometer
+
+		This opens a separate window to recalibrate the
+		accelerometers. Follow the instructions, orienting the
+		flight computer with the antenna end, or end opposite
+		the screw terminals, in the case of EasyMega, first up
+		and then down.
+
+		When the calibration is complete, return to the
+		Configure Altimeter window and save the new
+		calibration values.
+
+endif::telemega,easymega,telemetrum[]
+
 ifdef::telemega,easymega[]
 
 	==== Configure Pyro Channels
diff --git a/doc/release-notes-1.8.2.inc b/doc/release-notes-1.8.2.inc
new file mode 100644
index 00000000..2923ec11
--- /dev/null
+++ b/doc/release-notes-1.8.2.inc
@@ -0,0 +1,28 @@
+= Release Notes for Version 1.8.2
+:toc!:
+:doctype: article
+
+	Version 1.8.2 includes support for TeleGPS version 2.0 along
+	with accelerometer recalibration support in AltosUI.
+
+	1.8.2 also contains a couple of minor fixes for AltosUI when
+	analyzing saved data files.
+
+	== AltOS
+
+	AltOS New Features
+
+	* Support for TeleGPS version 2.0 hardware.
+
+	== AltosUI and TeleGPS Applications
+
+	AltosUI and TeleGPS New Features
+
+	* Support for TeleGPS version 2.0.
+
+	* Accelerometer re-calibration user interface.
+
+	AltosUI and TeleGPS Bug Fixes
+
+	* Prevent some crashes when reading older saved flight data
+          for graphing or KML export.
diff --git a/doc/release-notes.inc b/doc/release-notes.inc
index adcf57ed..a102b2dc 100644
--- a/doc/release-notes.inc
+++ b/doc/release-notes.inc
@@ -2,6 +2,10 @@
 == Release Notes
 
 	:leveloffset: 2
+	include::release-notes-1.8.2.raw[]
+
+	<<<<
+	:leveloffset: 2
 	include::release-notes-1.8.1.raw[]
 
 	<<<<
diff --git a/doc/usage.inc b/doc/usage.inc
index 29587b7e..d010f398 100644
--- a/doc/usage.inc
+++ b/doc/usage.inc
@@ -238,14 +238,16 @@
 		ifdef::radio[disabled, and the radio goes into transmit-only mode.]
 		ifndef::radio[disabled.]
 		The only way to get out of this
-		mode is to power the flight computer down.
+		mode is to power the flight computer down. See below for how to get the flight
+		computer to come up in Flight/Pad mode at power on.
 
 		Idle::
 		The flight computer is ready to communicate over USB
 		ifdef::radio[and in packet mode over the radio.]
 		You can configure
 		the flight computer, download data or display
-		the current state.
+		the current state. See below for how to get the flight
+		computer to come up in Idle mode at power on.
 
 		ifdef::telemetrum,easymega,telemega[]
 		For flight computers with accelerometers (TeleMetrum,