diff --git a/simulators/simic9700.c b/simulators/simic9700.c
index ec665a569..cd85836d2 100644
--- a/simulators/simic9700.c
+++ b/simulators/simic9700.c
@@ -51,6 +51,7 @@ int satmode = 0;
 int agc_time = 1;
 int ovf_status = 0;
 int powerstat = 1;
+int keyspd = 90;
 
 void dumphex(const unsigned char *buf, int n)
 {
@@ -282,6 +283,25 @@ void frameParse(int fd, unsigned char *frame, int len)
             break;
         }
 
+    case 0x0c:
+        if (frame[6] != 0xfd)
+        {
+            frame[6] = 0xfb;
+            dumphex(frame, 7);
+            WRITE(fd, frame, 7);
+            printf("ACK x14 x0c\n");
+        }
+        else
+        {
+            frame[6] = 0;
+            frame[7] = keyspd;
+            frame[8] = 0xfd;
+            dumphex(frame, 9);
+            WRITE(fd, frame, 9);
+            printf("SEND x14 x0c\n");
+        }
+
+
         break;
 
     case 0x15: