Fix default values for A and Kt

src/sis8300llrfCavityChannel.cpp

@@ -40,8 +40,8 @@ std::string sis8300llrfCavityChannel::
 
 sis8300llrfCavityChannel::sis8300llrfCavityChannel(epicsFloat64 FSampling) : sis8300llrfAIChannel(FSampling) {
     m_calib_grad_en = false;
-    m_calib_grad_a = 1;
-    m_calib_grad_kt = 0;
+    m_calib_grad_a = 0;
+    m_calib_grad_kt = 1;
 }