https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185485#M1241389 <P>There was a fire alarm at the red bee play out centre the other day which led to a few channels crashing off air.</P><P>Channel 5 has been running off a back up since, which is why you can see the black and white square.&nbsp;<BR /><BR /></P><P>&nbsp;</P> Sun, 26 Sep 2021 20:58:57 GMT Anonymous 2021-09-26T20:58:57Z https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185480#M1241387 <P>Watching C5hd now and in the top right hand corner is a black and white square, also shows up on sd C5 but not during adverts. Wondering what this is for.&nbsp;</P> Sun, 26 Sep 2021 20:00:59 GMT https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185480#M1241387 Anonymous 2021-09-26T20:00:59Z https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185484#M1241388 <P>I've not watched live TV for years (prefer catch up) but didn't there used to be the black/white square to show when an advert was coming on ?</P> Sun, 26 Sep 2021 20:31:13 GMT https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185484#M1241388 -Richie- 2021-09-26T20:31:13Z https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185485#M1241389 <P>There was a fire alarm at the red bee play out centre the other day which led to a few channels crashing off air.</P><P>Channel 5 has been running off a back up since, which is why you can see the black and white square.&nbsp;<BR /><BR /></P><P>&nbsp;</P> Sun, 26 Sep 2021 20:58:57 GMT https://community.bt.com/t5/Archive-Staging/Channel-Five/m-p/2185485#M1241389 Anonymous 2021-09-26T20:58:57Z