diff --git a/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
index 155716db..fba129c1 100644
--- a/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
@@ -60,6 +60,15 @@ proc ::histogram_memory::init_OAT_TABLE {} {
 proc CAT_TABLE {args} {
 return {
                 <CAT>
+                        <MESYTEC_MPSD8_CHANNEL_GAINS>
+                                <link_numeric_file filename="../../pelican_mesytec_gains.dat" default_filename="../HMconfig/Default//pelican_mesytec_gains.dat" />
+                        </MESYTEC_MPSD8_CHANNEL_GAINS>
+                        <MESYTEC_MPSD8_THRESHOLDS>
+                                23 23 23 20 20 20 20 20
+                                20 20 20 20 20 20 20 20
+                                20 20 20 20 20 20 20 20
+                                20 20 10 10 10 10 10 10
+                        </MESYTEC_MPSD8_THRESHOLDS>
                         <WIX APPLY="ENABLE" MIN_RAW="0" MAX_RAW="199" TABLE_SIZE="200">
                                 <link_numeric_file filename="../../pelican_wix.dat" default_filename="../HMconfig/Default/pelican_wix.dat" />
                         </WIX>
@@ -74,25 +83,6 @@ return {
 }
 
 proc ::histogram_memory::init_CAT_TABLE {} {
-  CAT_TABLE -set MESYTEC_MPSD8_CHANNEL_GAINS {
-    1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-      1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
-  }
-  CAT_TABLE -set MESYTEC_MPSD8_THRESHOLDS { 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 }
   CAT_TABLE -set MESYTEC_TUBE_PAIR_RESISTANCE_RATIOS {
     1. 1. 1. 1. 1. 1. 1. 1.
       1. 1. 1. 1. 1. 1. 1. 1.