Thank you, G String. I trust that you understand that I was not trying to be difficult.
In situations where such a sticker has been present in the past, I've been "instructed" to ignore it for the purpose of changing batteries, this being the only "exceptional" task I as the end user was "allowed" to undertake.
I'd have thought the same would apply to the Kemper. For someone in my situation, one of prolonged illness and no transport options, such an undertaking, that of having the unit couriered to and from a qualified service centre, costs both time and a "hurtful" amount of money. I'd love to think that I'd have better options, as I have had for other gear, in this sort of situation.
I realise you might have to wear your Kemper Hat™ here, so I won't push you further on this. Thank you again, mate.