How to adjust the clock?

[Mrg]

That both buttons down trick worked, thank you gsxbarmy. I have users manual, but it is written "auf Deutch". Und ich verstehe nicht Deutch.

get google to translate for you on a iPhone via siri 

[VladTepes]

I've been trying to reset my clock for days... no luck at all getting into 'set clock' mode... 

[KiwiCol]

I've been trying to reset my clock for days... no luck at all getting into 'set clock' mode... 

Here's the go for ya Mike, Saturday tomorrow, disconnect the battery sometime in the morning, go back out to it at 11.58, connect the battery at 12.00 & you're set with the correct time.  Result!  No adjustments req.