diff --git a/doc/specific_iocs/other/Lynx_HPGe_detector.md b/doc/specific_iocs/other/Lynx_HPGe_detector.md
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@@ -0,0 +1,40 @@
+# Mirion Lynx2 HPGe detector
+
+The Lynx HPGe detector is a gamma detector, used on VESUVIO as a gamma detector. It may also be called
+a "digital signal analyzer" or a "multichannel analyzer", and is made by a company called Mirion.
+
+## Manual
+
+A manual for the device is available at:
+```
+\\isis\shares\ISIS_Experiment_Controls\Manuals\lynx2-gamma-detector
+```
+
+## Hardware / Networking
+
+We do **not** talk to this device from IBEX in any way.
+
+The hardware is an ethernet device, which should be set up in DHCP mode to automatically acquire an IP address.
+
+Configuration screens for the hardware are available by visiting its IP address in a web browser. Use:
+
+```
+http://x.x.x.x/mainex.asp
+```
+
+to access the configuration screens, as the _home_ page requires flash player, but the hardware configuration
+screens do not.
+
+If the device is (incorrectly) set to static IP mode, it will likely default to an IP of `10.0.0.3`. If the device has
+forgotten its DHCP setting, then you may need to connect to the device directly (point-to-point) from NDCVESUVIO or
+another computer, with netmask `255.255.255.0`.
+
+The settings *should* look like this:
+
+![expected settings](lynx/network_settings.jpeg)
+
+## Software
+
+The device is controlled using a program called "GENIE2K", which runs on **NDC**VESUVIO. This software is licensed to
+a specific computer, so cannot be run on another computer. This software is unrelated to OpenGENIE - it is manufacturer
+software. It does not integrate with IBEX in any way.
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diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index e4eb4f94a..385a44ba0 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -471,6 +471,7 @@ luarocks
 lvdcom
 lvDCOM
 lvDCOMConfigure
+Lynx
 Löhnert
 mA
 machinename
@@ -508,6 +509,7 @@ middleware
 Mihai
 minidump
 mins
+Mirion
 misconfigured
 mitigations
 mK