"Hi Derek   I have managed to resolve the issue,  as suspected it was human error, haha. Instead of adding a new trigger for each of th..."

"Hi Susi   Having reviewed the files you attached i have figured out where i was going wrong. I was highlighting the second square and t..."

"Hi Susi Thank you for your reply and files. I'll probably end up just using those files as they work. I have attached a dummy file. It j..."

"Thanks Derek I am definitely highlighting the right square. It seems to change it ok when i edit it but as soon as i move on to the next..."