[mythtv] Channel without transmission

[James Armstrong]

>>The red circle & square have the user friendliness of a wet
>>slug on Christmas Day. We have all this graphic processing
>>power at our disposal so we should at least display a graphic
>>that can be interpreted as having the same meaning as red circles
>>and squares.
>>
>>Anyone good at coming up with pretty pictures????
>>
>>1) No signal / bad signal etc.
>>2) High Error Rate (unwatchable)
> 
> 
> I have made some Pictures/Ideas, but i dont't know where to upload :) The
> MythWiki not accepting file's :(
> 

How about one of those test patterns that used to be shown years ago at 
night when a station was off air?

- James