(Better?) Instructions for using D2D betwen iPhone 911-Wifi with iPhone hotspot?

[JRWooden]

I have the Hex GS-911 user manual dated 3/26  -  Edition 17
Either I missed it or the latest enhancements for using a WiFi 911 w/ an iphone including hotspot doesn't seem to be covered completely...

Is there a separate document?
Did I miss it somehow?
or do I just need to be more patient with the technical writer?   

Thanks,
Jim