diff --git a/demo.sh b/demo.sh
index dfc79fc4..492028dc 100755
--- a/demo.sh
+++ b/demo.sh
@@ -1,8 +1,6 @@
 #!/bin/bash
 
-echo -e "\nDemo of CubeSatSim sends FSK and BPSK telemetry alternately at 434.9 MHz continuously\n\n"
-
-exit
+echo -e "\nDemo of CubeSatSim sends FSK, BPSK, and AFSK telemetry alternately at 434.9 MHz continuously\n\n"
 
 sudo killall -9 rpitx
 sudo killall -9 sendiq
@@ -24,4 +22,12 @@ while true; do
       sudo killall -9 rpitx
       sudo killall -9 sendiq
       sudo fuser -k 8080/tcp     
+      sleep 1;
+      
+      echo -e "\n Changing mode ********************************************************************************\n\n"
+      
+      timeout 22 /home/pi/CubeSatSim/radioafsk afsk 3
+      sudo killall -9 rpitx
+      sudo killall -9 sendiq
+      sudo fuser -k 8080/tcp     
 done