diff --git a/python/src/detector.cpp b/python/src/detector.cpp
index de5f0fcae..5fce855e6 100644
--- a/python/src/detector.cpp
+++ b/python/src/detector.cpp
@@ -1143,6 +1143,9 @@ void init_det(py::module &m) {
         .def("setGainCaps",
              (void (Detector::*)(int, sls::Positions)) & Detector::setGainCaps,
              py::arg(), py::arg() = Positions{})
+        .def("getGainCaps",
+             (Result<int>(Detector::*)(sls::Positions)) & Detector::getGainCaps,
+             py::arg() = Positions{})
         .def("getNumberOfAnalogSamples",
              (Result<int>(Detector::*)(sls::Positions) const) &
                  Detector::getNumberOfAnalogSamples,
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 107403778..85cab48bd 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/mythen3.c b/slsDetectorServers/mythen3DetectorServer/mythen3.c
index b34d0ed82..7ea679da1 100644
--- a/slsDetectorServers/mythen3DetectorServer/mythen3.c
+++ b/slsDetectorServers/mythen3DetectorServer/mythen3.c
@@ -35,6 +35,44 @@ int getChipStatusRegister(){
   return chipStatusRegister;
 }
 
+int gainCapsToCsr(int caps){
+  //Translates bit representation
+  int csr = 0;
+  if (!(caps & M3_C10pre))
+    csr |= 1 << _CSR_C10pre;
+  if (caps & M3_C15sh)
+    csr |= 1 << CSR_C15sh;
+  if (caps & M3_C30sh)
+    csr |= 1 << CSR_C30sh;
+  if (caps & M3_C50sh)
+    csr |= 1 << CSR_C50sh;
+  if (caps & M3_C225ACsh)
+    csr |= 1 << CSR_C225ACsh;
+  if (!(caps & M3_C15pre))
+    csr |= 1 << _CSR_C15pre;
+
+  return csr;
+}
+
+int csrToGainCaps(int csr){
+  //Translates bit representation
+  int caps = 0;
+  if (!(csr & (1 << _CSR_C10pre)))
+    caps |= M3_C10pre;
+  if (csr & (1 << CSR_C15sh))
+    caps |= M3_C15sh;
+  if (csr & (1 << CSR_C30sh))
+    caps |= M3_C30sh;
+  if (csr & (1 << CSR_C50sh))
+    caps |= M3_C50sh;
+  if (csr & (1 << CSR_C225ACsh))
+    caps |= M3_C225ACsh;
+  if (!(csr & (1 << _CSR_C15pre)))
+    caps |= M3_C15pre;
+
+  return caps;
+}
+
 patternParameters *setChipStatusRegisterPattern(int csr) {
   int iaddr=0;
   int  nbits=18;
diff --git a/slsDetectorServers/mythen3DetectorServer/mythen3.h b/slsDetectorServers/mythen3DetectorServer/mythen3.h
index a0289441b..c27e7189e 100644
--- a/slsDetectorServers/mythen3DetectorServer/mythen3.h
+++ b/slsDetectorServers/mythen3DetectorServer/mythen3.h
@@ -37,23 +37,25 @@
 #define CSR_invpol  4
 #define CSR_dpulse  5
 #define CSR_interp  6
-#define CSR_C10pre  7 //#default
+#define _CSR_C10pre  7 //#default, negative polarity
 #define CSR_pumprobe  8
 #define CSR_apulse  9
 #define CSR_C15sh  10 
 #define CSR_C30sh  11 //#default
 #define CSR_C50sh  12
 #define CSR_C225ACsh  13 // Connects 225fF SHAPER AC cap (1: 225 to shaper, 225 to GND. 0: 450 to shaper) 
-#define CSR_C15pre  14 
+#define _CSR_C15pre  14 // negative polarity
 
-#define CSR_default  (1<<CSR_C10pre )|(1<< CSR_C30sh)
+#define CSR_default  (1<<_CSR_C10pre )|(1<< CSR_C30sh)
 
-#define GAIN_MASK ((1 << CSR_C10pre) | ( 1 << CSR_C15sh) | (1 << CSR_C30sh) | (1 << CSR_C50sh) | (1 << CSR_C225ACsh) | ( 1 << CSR_C15pre))
+#define GAIN_MASK ((1 << _CSR_C10pre) | ( 1 << CSR_C15sh) | (1 << CSR_C30sh) | (1 << CSR_C50sh) | (1 << CSR_C225ACsh) | ( 1 << _CSR_C15pre))
 
 
 int setBit(int ibit, int patword);
 int clearBit(int ibit, int patword);
 int getChipStatusRegister();
+int gainCapsToCsr(int caps);
+int csrToGainCaps(int csr);
 
 patternParameters *setChipStatusRegisterPattern(int csr);
 patternParameters *setChannelRegisterChip(int ichip, int *mask, int *trimbits);
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index 0f56a7f05..7e0c737b1 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -1078,8 +1078,8 @@ int setDACS(int* dacs){
 int setModule(sls_detector_module myMod, char *mess) {
     LOG(logINFO, ("Setting module\n"));
 
-    if (setGainCaps(myMod.reg)){
-        sprintf(mess, "Could not set module gain caps\n");
+    if (setChipStatusRegister(myMod.reg)){
+        sprintf(mess, "Could not CSR from module\n");
         LOG(logERROR, (mess));
         return FAIL;
     }
@@ -2667,7 +2667,15 @@ int setGainCaps(int caps){
     // Update only gain caps, leave the rest of the CSR unchanged
     int csr = getChipStatusRegister();
     csr &= ~GAIN_MASK;
-    caps &= GAIN_MASK;
+
+    caps = gainCapsToCsr(caps);
+    // caps &= GAIN_MASK;
     csr |= caps;
     return setChipStatusRegister(csr);
 }
+
+int getGainCaps(){
+    int csr = getChipStatusRegister();
+    int caps = csrToGainCaps(csr);
+    return caps; 
+}
diff --git a/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h b/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
index 742ca85d8..65b5d7fb1 100644
--- a/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
+++ b/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
@@ -358,6 +358,7 @@ enum timingMode getTiming();
 void setInitialExtSignals();
 int isMaster();
 int setGainCaps(int caps);
+int getGainCaps();
 int setChipStatusRegister(int csr);
 int setDACS(int* dacs);
 #endif
diff --git a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
index 43f5295c8..6aa5b992d 100644
--- a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
+++ b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
@@ -248,4 +248,5 @@ int load_default_pattern(int);
 int get_all_threshold_energy(int);
 int get_master(int);
 int get_csr();
-int set_gain_caps(int);
\ No newline at end of file
+int set_gain_caps(int);
+int get_gain_caps(int);
\ No newline at end of file
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index c43ed4192..362c450d0 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -371,6 +371,7 @@ void function_table() {
     flist[F_GET_MASTER] = &get_master;
     flist[F_GET_CSR] = &get_csr;
     flist[F_SET_GAIN_CAPS] = &set_gain_caps;
+    flist[F_GET_GAIN_CAPS] = &get_gain_caps;
 
     // check
     if (NUM_DET_FUNCTIONS >= RECEIVER_ENUM_START) {
@@ -8423,3 +8424,25 @@ int set_gain_caps(int file_des){
 #endif
     return Server_SendResult(file_des, INT32, &retval, sizeof(retval));
 }
+
+int get_gain_caps(int file_des){
+    ret = OK;
+    memset(mess, 0, sizeof(mess));
+    // int arg = 0;
+
+    // if (receiveData(file_des, &arg, sizeof(arg), INT32) < 0)
+    //     return printSocketReadError();
+    LOG(logINFO, ("Getting gain caps\n"));
+
+    int retval = -1;
+
+#ifndef MYTHEN3D
+    functionNotImplemented();
+#else
+    if (Server_VerifyLock() == OK) {
+        retval = getGainCaps();
+        LOG(logDEBUG1, ("Gain caps: %u\n", retval));
+    }
+#endif
+    return Server_SendResult(file_des, INT32, &retval, sizeof(retval));
+}
diff --git a/slsDetectorSoftware/include/sls/Detector.h b/slsDetectorSoftware/include/sls/Detector.h
index 8f2ad55f9..db7b3e8d4 100644
--- a/slsDetectorSoftware/include/sls/Detector.h
+++ b/slsDetectorSoftware/include/sls/Detector.h
@@ -1314,6 +1314,8 @@ class Detector {
 
     void setGainCaps(int caps, Positions pos = {});
 
+    Result<int> getGainCaps(Positions pos = {});
+
     ///@{
 
     /** @name CTB / Moench Specific */
diff --git a/slsDetectorSoftware/src/CmdProxy.cpp b/slsDetectorSoftware/src/CmdProxy.cpp
index 16c451705..183c94490 100644
--- a/slsDetectorSoftware/src/CmdProxy.cpp
+++ b/slsDetectorSoftware/src/CmdProxy.cpp
@@ -1992,7 +1992,7 @@ std::string CmdProxy::GainCaps(int action){
         if (!args.empty())
             WrongNumberOfParameters(0);
 
-        auto tmp = det->getChipStatusRegister();
+        auto tmp = det->getGainCaps();
         sls::Result<defs::M3_GainCaps> csr;
         for (auto val : tmp){
             if (val)
diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index ab2d44f84..89e506ac8 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -1623,6 +1623,10 @@ void Detector::setGainCaps(int caps, Positions pos){
     return pimpl->Parallel(&Module::setGainCaps, pos, caps);
 }
 
+Result<int> Detector::getGainCaps(Positions pos){
+    return pimpl->Parallel(&Module::getGainCaps, pos);
+}
+
 
 // CTB/ Moench Specific
 
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 8582e15e5..7ce014571 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -2006,6 +2006,10 @@ void Module::setGainCaps(int caps){
     sendToDetector<int>(F_SET_GAIN_CAPS, caps);
 }
 
+int Module::getGainCaps(){
+    return sendToDetector<int>(F_GET_GAIN_CAPS);
+}
+
 // CTB / Moench Specific
 int Module::getNumberOfAnalogSamples() const {
     return sendToDetector<int>(F_GET_NUM_ANALOG_SAMPLES);
diff --git a/slsDetectorSoftware/src/Module.h b/slsDetectorSoftware/src/Module.h
index a61951d66..445bccc40 100644
--- a/slsDetectorSoftware/src/Module.h
+++ b/slsDetectorSoftware/src/Module.h
@@ -428,6 +428,7 @@ class Module : public virtual slsDetectorDefs {
     bool isMaster() const;
     int getChipStatusRegister() const;
     void setGainCaps(int caps);
+    int getGainCaps();
 
     /**************************************************
      *                                                *
diff --git a/slsSupportLib/include/sls/sls_detector_funcs.h b/slsSupportLib/include/sls/sls_detector_funcs.h
index 89acac836..bfc3eecdb 100755
--- a/slsSupportLib/include/sls/sls_detector_funcs.h
+++ b/slsSupportLib/include/sls/sls_detector_funcs.h
@@ -223,6 +223,7 @@ enum detFuncs {
     F_GET_MASTER,
     F_GET_CSR,
     F_SET_GAIN_CAPS,
+    F_GET_GAIN_CAPS,
 
     NUM_DET_FUNCTIONS,
     RECEIVER_ENUM_START = 256, /**< detector function should not exceed this