https://www.googlenestcommunity.com/t5/Nest-Protect/Whole-system-test/m-p/81642#M1949 <P>Hi I have been requested to provide a video as proof that all 7 of my alarms are working.&nbsp; This I have done using video for each individual unit being tested.&nbsp; Each has performed perfectly.&nbsp; However now I have been requested to provide proof each unit is connected.&nbsp; How can I do this.&nbsp; The building control surveyor would like to see and hear all alarms on the system being activated at the same time.&nbsp; I cannot see any instructions for this action.&nbsp; Can anyone provide any information on this whole system test.&nbsp;&nbsp;</P><P>Thank you&nbsp;</P> Tue, 11 Jan 2022 23:16:43 GMT KarenSandpiper 2022-01-11T23:16:43Z https://www.googlenestcommunity.com/t5/Nest-Protect/Whole-system-test/m-p/81642#M1949 <P>Hi I have been requested to provide a video as proof that all 7 of my alarms are working.&nbsp; This I have done using video for each individual unit being tested.&nbsp; Each has performed perfectly.&nbsp; However now I have been requested to provide proof each unit is connected.&nbsp; How can I do this.&nbsp; The building control surveyor would like to see and hear all alarms on the system being activated at the same time.&nbsp; I cannot see any instructions for this action.&nbsp; Can anyone provide any information on this whole system test.&nbsp;&nbsp;</P><P>Thank you&nbsp;</P> Tue, 11 Jan 2022 23:16:43 GMT https://www.googlenestcommunity.com/t5/Nest-Protect/Whole-system-test/m-p/81642#M1949 KarenSandpiper 2022-01-11T23:16:43Z