diff --git a/cbhwlib/cbHwlibHi.cpp b/cbhwlib/cbHwlibHi.cpp
index f2a46be..82fe13e 100755
--- a/cbhwlib/cbHwlibHi.cpp
+++ b/cbhwlib/cbHwlibHi.cpp
@@ -1180,6 +1180,7 @@ uint32_t cbGetNumActiveInstruments()
     return nNumActiveInstruments;
 }
 
+
 NSP_STATUS cbGetNspStatus(uint32_t nInstrument)
 {
     if (nInstrument > cbMAXPROCS)
@@ -1187,12 +1188,14 @@ NSP_STATUS cbGetNspStatus(uint32_t nInstrument)
     return cb_pc_status_buffer_ptr[0]->cbGetNspStatus(nInstrument - 1);
 }
 
+#ifndef CBPROTO_311
 void cbSetNspStatus(uint32_t nInstrument, NSP_STATUS nStatus)
 {
     ASSERT(nInstrument - 1 < cbMAXPROCS);
     if (nInstrument - 1 < cbMAXPROCS)
         cb_pc_status_buffer_ptr[0]->cbSetNspStatus(nInstrument - 1, nStatus);
 }
+#endif
 
 uint32_t cbGetExpandedChannelNumber(uint32_t nInstrument, uint32_t nChannel)
 {
diff --git a/cbhwlib/cbHwlibHi.h b/cbhwlib/cbHwlibHi.h
index 8bfb05e..c4ea656 100755
--- a/cbhwlib/cbHwlibHi.h
+++ b/cbhwlib/cbHwlibHi.h
@@ -112,7 +112,9 @@ uint32_t GetDigoutChanNumber(uint32_t nOrdinal, uint32_t nInstance = 0);
 
 uint32_t cbGetNumActiveInstruments();
 NSP_STATUS cbGetNspStatus(uint32_t nInstrument);
+#ifndef CBPROTO_311
 void cbSetNspStatus(uint32_t nInstrument, NSP_STATUS nStatus);
+#endif
 uint32_t cbGetExpandedChannelNumber(uint32_t nInstrument, uint32_t nChannel);
 uint32_t cbGetChanInstrument(uint32_t nChannel, uint32_t nInstance = 0);
 uint32_t cbGetInstrumentLocalChannelNumber(uint32_t nChan);
diff --git a/cbhwlib/cbhwlib.cpp b/cbhwlib/cbhwlib.cpp
index ffc616f..078ecd2 100644
--- a/cbhwlib/cbhwlib.cpp
+++ b/cbhwlib/cbhwlib.cpp
@@ -1077,6 +1077,7 @@ cbRESULT cbSetComment(uint8_t charset, uint32_t rgba, PROCTIME time, const char*
 #ifndef CBPROTO_311
     pktComment.rgba = rgba;
     pktComment.timeStarted = time;
+// else pktComment.info.flags, pktComment.data
 #endif
     uint32_t nLen = 0;
     if (comment)
diff --git a/cbhwlib/cbhwlib.h b/cbhwlib/cbhwlib.h
index df7f183..1948d72 100644
--- a/cbhwlib/cbhwlib.h
+++ b/cbhwlib/cbhwlib.h
@@ -863,9 +863,9 @@ class cbPcStatus
     uint32_t m_nNumSerialChans;
     uint32_t m_nNumDigoutChans;
     uint32_t m_nNumTotalChans;
+#ifndef CBPROTO_311
     NSP_STATUS  m_nNspStatus[cbMAXPROCS];       // true if the nsp has received a sysinfo from each NSP
     uint32_t m_nNumNTrodesPerInstrument[cbMAXPROCS];
-#ifndef CBPROTO_311
     uint32_t m_nGeminiSystem;   // Used as boolean true if connected to a gemini system
 #endif
 
@@ -887,7 +887,9 @@ class cbPcStatus
         for (uint32_t nProc = 0; nProc < cbMAXPROCS; ++nProc)
         {
             isSelection[nProc].lastchan = 1;
+#ifndef CBPROTO_311
             m_nNspStatus[nProc] = NSP_INIT;
+#endif
         }
     }
     bool IsRecordingBlocked()           { return m_iBlockRecording != 0; }
@@ -902,8 +904,16 @@ class cbPcStatus
     uint32_t cbGetNumSerialChans()      { return m_nNumSerialChans; }
     uint32_t cbGetNumDigoutChans()      { return m_nNumDigoutChans; }
     uint32_t cbGetNumTotalChans()       { return m_nNumTotalChans; }
+
+#ifndef CBPROTO_311
     NSP_STATUS cbGetNspStatus(uint32_t nProc) { return m_nNspStatus[nProc]; }
     uint32_t cbGetNumNTrodesPerInstrument(uint32_t nProc) { return m_nNumNTrodesPerInstrument[nProc - 1]; }
+    void cbSetNspStatus(uint32_t nInstrument, NSP_STATUS nStatus) { m_nNspStatus[nInstrument] = nStatus; }
+    void cbSetNumNTrodesPerInstrument(uint32_t nInstrument, uint32_t nNumNTrodesPerInstrument) { m_nNumNTrodesPerInstrument[nInstrument - 1] = nNumNTrodesPerInstrument; }
+#else
+    // m_NspStatus not avail in 3.11 so set to always found to pass logic checks.
+    NSP_STATUS cbGetNspStatus(uint32_t nProc) { return NSP_FOUND; }
+#endif
     void SetBlockRecording(bool bBlockRecording)                { m_iBlockRecording += bBlockRecording ? 1 : -1; }
     void cbSetPCStatusFlags(uint32_t nPCStatusFlags)            { m_nPCStatusFlags = nPCStatusFlags; }
     void cbSetNumFEChans(uint32_t nNumFEChans)                  { m_nNumFEChans = nNumFEChans; }
@@ -916,8 +926,6 @@ class cbPcStatus
     void cbSetNumSerialChans(uint32_t nNumSerialChans)          { m_nNumSerialChans = nNumSerialChans; }
     void cbSetNumDigoutChans(uint32_t nNumDigoutChans)          { m_nNumDigoutChans = nNumDigoutChans; }
     void cbSetNumTotalChans(uint32_t nNumTotalChans)            { m_nNumTotalChans = nNumTotalChans; }
-    void cbSetNspStatus(uint32_t nInstrument, NSP_STATUS nStatus) { m_nNspStatus[nInstrument] = nStatus; }
-    void cbSetNumNTrodesPerInstrument(uint32_t nInstrument, uint32_t nNumNTrodesPerInstrument) { m_nNumNTrodesPerInstrument[nInstrument - 1] = nNumNTrodesPerInstrument; }
 };
 
 typedef struct {
diff --git a/cbsdk/cbsdk.cpp b/cbsdk/cbsdk.cpp
index 8751cb3..23342c6 100644
--- a/cbsdk/cbsdk.cpp
+++ b/cbsdk/cbsdk.cpp
@@ -111,21 +111,20 @@ void SdkApp::OnPktGroup(const cbPKT_GROUP * const pkt)
 #ifndef CBPROTO_311
     if (pkt->cbpkt_header.instrument >= cbMAXPROCS)
         nInstrument = 0;
-#endif
-
     for (uint32_t nProc = 0; nProc < cbMAXPROCS; ++nProc)
     {
         if (NSP_FOUND == cbGetNspStatus(nProc + 1))
         {
             if (cbRESULT_OK == ::cbGetProcInfo(nProc + 1, &isProcInfo))
                 nChanProcMax += isProcInfo.chancount;
-#ifndef CBPROTO_311
+
             if (pkt->cbpkt_header.instrument == nProc)
                 break;
-#endif
+
             nChanProcStart = nChanProcMax;
         }
     }
+#endif
 
     // Get information about this group...
     uint32_t  period;