Panasonic HC-V10: Secret Door! Secret Menu! Part One

Buying a 'spares & repairs' 'unable to test' camcorder from Ebay; Can it be fixed? What's the secret door for and what lurks behind it?
Secret menu? [Enter at own risk!]
Part one of two. I didn't realise TH-cam had got rid of the handy editor! WHY?!!
Join me as I attempt repair on a Panasonic HC-V10 and reveal some secrets to Panasonic camcorders

[@Deaddeaddeadeadeadeadead]

hai their joe your channel is awsoome what a cool collection u must have