diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index cc515346b..97b31ebfb 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -2456,6 +2456,34 @@ void *start_timer(void *arg) {
     // Generate data
     char imageData[imageSize];
     memset(imageData, 0, imageSize);
+    // {
+    //     const int nchannels = NCHAN_1_COUNTER * NCHIP * ncounters;
+
+    //     for (int i = 0; i < nchannels; ++i) {
+    //         int j = rand();
+    //         switch (dr) {
+    //         //case 1: // TODO: Not implemented in firmware yet 
+    //         // break;
+            
+    //         case 8:
+    //             *((uint8_t *)(imageData + i)) = (uint8_t)j;
+    //             break;
+    //         case 16:
+    //             *((uint16_t *)(imageData + i * sizeof(uint16_t))) = (uint16_t)j;
+    //             break;
+    //         case 32:
+    //             *((uint32_t *)(imageData + i * sizeof(uint32_t))) = ((uint32_t)j & 0xFFFFFF); // 24 bit
+    //             break;
+    //         default:
+    //             break;
+    //         }
+    //     }
+    // }
+
+    // Send data
+    // loop over number of frames
+    for (int frameNr = 0; frameNr != numFrames; ++frameNr) {
+
     {
         const int nchannels = NCHAN_1_COUNTER * NCHIP * ncounters;
 
@@ -2480,9 +2508,6 @@ void *start_timer(void *arg) {
         }
     }
 
-    // Send data
-    // loop over number of frames
-    for (int frameNr = 0; frameNr != numFrames; ++frameNr) {
 
         // check if manual stop
         if (sharedMemory_getStop() == 1) {