I have just noticed the picture of the AllWeather Pioneer PK=5AW and I thought you you might like to see a silver and blue one so I am sending some photos of it below I bought it with two others but I will have to see where I have put them. It is a solid and quite heavy unit which is working
Thanks . There are two headphones sockets and they both have flat headed screws to keep the unit water tight when not being used there ate also two further holes with one screw in and you put the screw you have removed there for safe keeping it is labelled CAP HOLDER on the left hand side and the other hole is a Dc - 3V line in for connection to a power unit. The cap for this is missing I am afraid but I recall one of the other units I have has the full set of caps. Here is a photo of the bottom of the unit showing these