I am trying to change the pattern in "pre-stored pattern" mode through external trigger. I am able to trigger the change using the GUI. However if I try to configure the trigger by sending commands through USB, I am not able to trigger it anymore. I basically followed the "Pre-Stored Pattern Mode Example" in the manual and added 'Trigger In 1' just before start pattern sequence. Are there other commands that is supposed to be sent before or after the 'Trigger in 1' command? Below is the list of commands sent