diff --git a/source/Software Guide/Bonsai.ONIX/Nodes/RHD2164Device.rst b/source/Software Guide/Bonsai.ONIX/Nodes/RHD2164Device.rst
index 12ddf1f9..1188dc86 100644
--- a/source/Software Guide/Bonsai.ONIX/Nodes/RHD2164Device.rst	
+++ b/source/Software Guide/Bonsai.ONIX/Nodes/RHD2164Device.rst	
@@ -64,9 +64,19 @@ options.
       - enum
       - The format of the ephys samples within the  RHD2164DataFrame.
 
-        - Unsigned: raw 16-bit unsigned integer conversion results.
-        - TwosCompliment: raw 16-bit signed integer conversion results.
-        - MicroVolts: 32-bit floating-point voltages.
+        - Unsigned: raw 16-bit unsigned integer conversion results in offset binary.
+
+          .. math::
+
+              \mu V = 0.195 \mu V/LSB * (Sample - 32768.0)
+
+        - TwosCompliment: raw 16-bit signed integer conversion results in two's complement.
+
+          .. math::
+
+              \mu V = 0.195 \mu V/LSB * Sample
+
+        - MicroVolts: 32-bit floating-point sample values in microvolts.
 
     * - AuxDataFormat
       - enum