A co-worker of me had kinda the same as you with the old soundtouch 300 and adapiQ. It randomly worked once and he never touched it again. He told me that the support suggested to send him a new AdaptIQ Headband. I'd suggest to ask them for the same and repeat.
Also try to do all the default stuff like factory resetting etc. prior to this.
Thanks for posting and reaching out to us today. I am sorry to hear that AdaptIQ is giving you some issues and would love to assist you further.
Firstly, can you please attempt to perform the set up in another room to see if it allows you to perform the setup? Please also stand in the same position for all the numbers to see if this also allows you to perform the setup.
I look forward to hearing back from you regarding this and appreciate the suggestions made by
I do have 700 with bass and surround. I do have set up in family area which has moderate noise including refrigerator and I never found this issue. One thing I noticed when I move my head even by small it fails.